View Filing Data

$ 492.1

$ 509.5

2.8

116.2

488.7

383.4

724.3

611.8

105.3

89.3

1,813.2

1,710.2

1,211.9

^[1]

1,074.2

275.3

184.6

480.4

223.4

101.4

64.6

Liabilities, Non-Controlling Interest and Stockholders’ Equity

3,882.2

3,257.0

398.7

276.8

244.0

220.3

Current portion of long-term debt (see Note 7)

167.0

140.5

203.3

181.6

Long-term debt (see Note 7)

1,013.0

819.2

980.3

760.6

214.6

190.4

Commitments and contingencies (See Note 10)

2,207.9

1,770.2

ON Semiconductor Corporation stockholders’ equity:

Common stock ($0.01 par value, 750,000,000 shares authorized, 521,953,400 and 515,888,942 shares issued, 439,791,222 and 440,250,288 shares outstanding, respectively)

5.2

3,269.0

3,210.8

(44.6)

(47.4)

Less: treasury stock, at cost: 82,162,178 and 75,638,654 shares, respectively

(954.1)

(1,142.1)

(632.9)

(572.5)

Total ON Semiconductor Corporation stockholders’ equity

1,642.6

1,454.0

Non-controlling interest in consolidated subsidiary

31.7

32.8

1,674.3

1,486.8

$ 3,882.2

$ 3,257.0

[1]	Included in property, plant, and equipment are approximately $12.5 million of fixed assets which are held-for-sale as of September 26, 2014.

Consolidated Balance Sheet (Parenthetical) - $ / shares	Sep. 26, 2014	Dec. 31, 2013
Stockholders' Equity:
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	750,000,000	750,000,000
Common stock, shares issued	521,953,400	515,888,942
Common stock, shares outstanding	439,791,222	440,250,288
Treasury stock, shares	82,162,178	75,638,654

Consolidated Statements Of Operations and Comprehensive Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Income Statement [Abstract]
Revenues	$ 833.5	$ 715.4	$ 2,297.6	$ 2,064.7
Cost of revenues	549.4	466.2	1,489.7	1,379.2
Gross profit	284.1	249.2	807.9	685.5
Operating expenses:
Research and development	93.4	84.0	255.7	255.5
Selling and marketing	51.1	44.2	143.4	127.3
General and administrative	48.5	34.5	134.2	110.9
Amortization of acquisition-related intangible assets	23.4	8.2	42.0	24.8
Restructuring, asset impairments and other, net	10.1	11.0	20.0	11.1
Total operating expenses	226.5	181.9	595.3	529.6
Operating income	57.6	67.3	212.6	155.9
Other income (expense), net:
Interest expense	(8.6)	(9.2)	(24.6)	(28.6)
Interest income	0.2	0.3	0.6	1.0
Other	(0.9)	(1.4)	(2.7)	3.6
Loss on debt exchange	0.0	0.0	0.0	(3.1)
Other income (expense), net	(9.3)	(10.3)	(26.7)	(27.1)
Income before income taxes	48.3	57.0	185.9	128.8
Income tax (provision) benefit	(6.3)	(4.2)	3.7	(4.0)
Net income	42.0	52.8	189.6	124.8
Less: Net income attributable to non-controlling interest	(0.4)	(1.0)	(1.6)	(2.7)
Net income attributable to ON Semiconductor Corporation	41.6	51.8	188.0	122.1
Comprehensive income (loss), net of tax:
Foreign currency translation adjustments	1.9	1.3	1.3	(4.5)
Effects of cash flow hedges	(1.2)	1.1	1.5	(3.2)
Unrealized loss on available-for-sale securities	0.0	0.1	0.0	0.2
Other comprehensive income (loss)	0.7	2.5	2.8	(7.5)
Comprehensive income	42.7	55.3	192.4	117.3
Comprehensive income attributable to non-controlling interest	(0.4)	(1.0)	(1.6)	(2.7)
Comprehensive income attributable to ON Semiconductor Corporation	$ 42.3	$ 54.3	$ 190.8	$ 114.6
Net income per common share attributable to ON Semiconductor Corporation:
Basic (in dollars per share)	$ 0.09	$ 0.12	$ 0.43	$ 0.27
Diluted (in dollars per share)	$ 0.09	$ 0.11	$ 0.42	$ 0.27
Weighted average common shares outstanding:
Basic (in shares)	440.7	449.3	440.7	449.8
Diluted (in shares)	444.9	452.1	444.6	452.6

Consolidated Statement Of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013
Cash flows from operating activities:
Net income	$ 189.6	$ 124.8
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	184.8	156.5
Gain on sale or disposal of fixed assets	(0.6)	(7.6)
Loss on debt exchange	0.0	3.1
Amortization of debt issuance costs	1.0	0.9
Provision for excess inventories	21.1	45.7
Non-cash share-based compensation expense	33.0	23.4
Non-cash interest	5.1	8.5
Non-cash asset impairment charges	1.8	3.5
Non-cash foreign currency translation gain	0.0	(21.0)
Reversal of deferred tax asset valuation allowance	(21.7)	0.0
Other	6.2	(5.7)
Changes in assets and liabilities (exclusive of the impact of acquisitions):
Receivables	(46.5)	(69.1)
Inventories	(30.1)	(64.8)
Other assets	(13.4)	18.1
Accounts payable	11.2	1.0
Accrued expenses	(25.6)	(6.3)
Deferred income on sales to distributors	26.5	10.7
Other long-term liabilities	(23.6)	(21.4)
Net cash provided by operating activities	318.8	200.3
Cash flows from investing activities:
Purchases of property, plant and equipment	(163.0)	(135.1)
Proceeds from sales of property, plant and equipment	0.3	8.6
Deposits utilized (made) for purchases of property, plant and equipment	2.0	(1.6)
Purchase of businesses, net of cash acquired	(423.1)	0.0
Cash placed in escrow	(40.0)	0.0
Proceeds from held-to-maturity securities	116.2	155.7
Purchases of held-to-maturity securities	(2.8)	(195.0)
Net cash used in investing activities	(510.4)	(167.4)
Cash flows from financing activities:
Proceeds from issuance of common stock under the employee stock purchase plan	4.8	4.1
Proceeds from exercise of stock options	20.4	9.5
Payments of tax withholding for restricted shares	(6.0)	(2.8)
Repurchase of common stock	(53.7)	(35.8)
Proceeds from debt issuance	307.5	46.2
Payment of capital lease obligations	(31.6)	(31.3)
Repayment of long-term debt	(63.3)	(130.3)
Dividend to non-controlling shareholder of consolidated subsidiary	(2.7)	0.0
Net cash provided by (used in) financing activities	175.4	(140.4)
Effect of exchange rate changes on cash and cash equivalents	(1.2)	(9.9)
Net decrease in cash and cash equivalents	(17.4)	(117.4)
Cash and cash equivalents, beginning of period	509.5	486.9
Cash and cash equivalents, end of period	$ 492.1	$ 369.5

Background And Basis Of Presentation	9 Months Ended
Background And Basis Of Presentation	Sep. 26, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Background And Basis Of Presentation	Background and Basis of Presentation ON Semiconductor Corporation, together with its wholly-owned and majority-owned subsidiaries ("ON Semiconductor" or the "Company"), uses a thirteen-week fiscal quarter accounting period for each quarter, with the first three quarters ending on the last Friday in March, June and September, and the fourth quarter ending on December 31. The three months ended September 26, 2014 and September 27, 2013 each contained 91 days. The nine months ended September 26, 2014 and September 27, 2013 contained 269 days and 270 days, respectively. The accompanying unaudited financial statements as of September 26, 2014 have been prepared in accordance with generally accepted accounting principles in the United States of America for unaudited interim financial information. Accordingly, they do not include all of the information and footnotes required by generally accepted accounting principles in the United States of America for audited financial statements. Additionally, the balance sheet as of December 31, 2013 was derived from audited financial statements, but also does not include all disclosures required by accounting principles generally accepted in the United States of America for audited financial statements. In the opinion of the Company's management, the interim information includes all adjustments, consisting only of normal recurring adjustments, necessary for a fair statement of the results for the interim periods. The footnote disclosures related to the interim financial information included herein are also unaudited. Such financial information should be read in conjunction with the consolidated financial statements and related notes thereto for the year ended December 31, 2013 included in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2013 (“2013 Form 10-K”). The results for the interim periods are not necessarily indicative of the results of operations that may be expected for the full year. The Company condensed certain prior year amounts in our consolidated financial statements to conform to the current year presentation. The preparation of financial statements in accordance with generally accepted accounting principles in the United States of America requires management to make estimates and assumptions that affect the reported amount of assets and liabilities at the date of the financial statements and the reported amount of revenues and expenses during the reporting period. Significant estimates have been used by management in conjunction with the following: (i) measurement of valuation allowances relating to trade receivables, inventories and deferred tax assets; (ii) estimates of future payouts for customer incentives, warranties, and restructuring activities; (iii) assumptions surrounding future pension obligations; (iv) fair values of stock options and of financial instruments (including derivative financial instruments); (v) evaluations of uncertain tax positions; and (vi) future cash flows used in the valuation of business combinations and to assess and test for impairment of long-lived assets and, if applicable, goodwill. Actual results could differ from these estimates. Segments Effective for the third quarter of 2014, following the Company's image sensor business acquisitions, the Company announced a change in the way it reports its segment information. Previously reported information has been recast to reflect the current reportable segments. The Company is currently organized into four reporting segments, consisting of its three existing reporting segments, Application Products Group, Standard Products Group and System Solutions Group, as well as a fourth reporting segment, Image Sensor Group. The Company's Image Sensor Group was established during the third quarter of 2014, and includes the Company's recent image sensor business acquisition of Aptina, Inc., along with the Company's existing image sensor business units (including Truesense Imaging Inc.) which were previously reported as part of the Application Products Group. See Note 3: "Acquisitions" for additional information with respect to the Company's recent acquisitions. See also Note 15: "Segment Information" for additional information on the Company's reportable segments.

The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Recent Accounting Pronouncements	9 Months Ended
Recent Accounting Pronouncements	Sep. 26, 2014
Accounting Policies [Abstract]
Recent Accounting Pronouncements	Recent Accounting Pronouncements ASU No. 2014-09 - “Revenue from Contracts with Customers (Topic 606)” (“ASU 2014-09”) In May 2014, the FASB issued ASU 2014-09, which applies to any entity that either enters into contracts with customers to transfer goods or services or enters into contracts for the transfer of non-financial assets, unless those contracts are within the scope of other standards, superceding the revenue recognition requirements in Topic 605. Pursuant to ASU 2014-09, an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange, as applied through a multi-step process to achieve that core principle. The new standard is effective for reporting periods beginning after December 15, 2016 and early adoption is not permitted. The Company is currently evaluating the impact that the adoption of ASU 2014-09 may have on the Company's Consolidated Financial Statements.

Acquisitions Acquisitions

9 Months Ended

Sep. 26, 2014

Business Combinations [Abstract]

Acquisitions

The Company pursues strategic acquisitions from time to time to leverage its existing capabilities and further build its business. Such acquisitions are accounted for as business combinations pursuant to ASC 805 "Business Combinations." Accordingly, acquisition costs are not included as components of consideration transferred, but are accounted for as expenses in the period in which the costs are incurred. During the quarter and nine months ended September 26, 2014, the Company incurred acquisition-related costs of approximately $4.0 million and $8.0 million, respectively.

Acquisition of Aptina, Inc. ("Aptina")

On August 15, 2014, the Company acquired 100% of Aptina for approximately $402.5 million in cash, subject to customary closing adjustments. As discussed below, approximately $40.0 million of the total consideration was held in escrow as of September 26, 2014. During the third quarter of 2014, Aptina was incorporated into the Company's new Image Sensor Group for reporting purposes. For the period from August 15, 2014 to September 26, 2014, the Company recognized approximately $71.6 million of revenue and a $25.3 million net loss provided by the acquisition of Aptina, which includes charges for the step-up of inventory to fair market value, the amortization of acquired intangible assets and restructuring. The acquisition of Aptina expands the Company's image-sensor business and further strengthens the Company's position in the fast growing segment of image sensors in the automotive and industrial end-markets.

The following table presents the initial allocation of the purchase price of Aptina for the assets acquired and liabilities assumed on August 15, 2014 based on their fair values (in millions):



	Initial Estimate
Cash and cash equivalents	$	30.3
Receivables	53.2
Inventories	85.3
Other current assets	5.7
Property, plant and equipment	35.9
Goodwill	63.8
Intangible assets	183.1
In-process research and development	75.4
Other non-current assets	2.3
Total assets acquired	535.0
Accounts payable	66.8
Other current liabilities	51.2
Other non-current liabilities	14.5
Total liabilities assumed	132.5
Net assets acquired	$	402.5

Acquired intangible assets include $75.4 million of IPRD assets, which are to be amortized over the useful life upon successful completion of the related projects. The value assigned to IPRD was determined by considering the importance of products under development to the overall development plan, estimating costs to develop the purchased IPRD into commercially viable products, estimating the resulting net cash flows from the projects when completed and discounting the net cash flows to their present value.

Other acquired intangible assets of $183.1 million include: customer relationships of $132.9 million (five year weighted-average useful life), developed technology of $47.9 million (nine year weighted-average useful life) and trademarks of $2.3 million (6 month useful life).

Goodwill of $63.8 million was assigned to the Image Sensor Group. Among the factors that contributed to goodwill arising from the acquisition were the potential synergies expected to be derived from combining Aptina with the Company’s existing image sensor business. These synergies provide the capability of providing a broad range of high-performance image sensors. Goodwill will not be amortized but instead tested for impairment at least annually (more frequently if certain indicators are present). Goodwill as of September 26, 2014 is not expected to be deductible for tax purposes.

The above represents an initial estimated purchase price allocation only, and is subject to change as the Company finalizes its determination relating to the valuation of net assets acquired from Aptina. Accordingly, future adjustments may impact the initial estimated amount of goodwill and other allocated amounts represented in the table above.

Pursuant to the agreement and plan of merger between the Company and the sellers of Aptina (the "Merger Agreement"), $40.0 million of the total consideration was withheld by the Company and placed into an escrow account to secure against certain indemnifiable events described in the Merger Agreement. The $40.0 million consideration held in escrow was accounted for as restricted cash as of September 26, 2014 and is included in other assets and other long-term liabilities on the Company's Consolidated Balance Sheet.

Acquisition of Truesense Imaging, Inc. ("Truesense")

On April 30, 2014, the Company acquired 100% of Truesense for approximately $95.7 million in cash, subject to customary closing adjustments, of which approximately $0.6 million remained unpaid as of September 26, 2014. During the second quarter of 2014, Truesense was incorporated into the Company's Application Products Group and subsequently migrated to the Image Sensor Group for reporting purposes during the quarter ended September 26, 2014. During the quarter and nine months ended September 26, 2014, the Company recognized revenue of approximately $21.6 million and $34.9 million, respectively and net income of approximately $1.4 million and $2.0 million, respectively, provided by the acquisition of Truesense. The acquisition of Truesense strengthens the Company's product portfolio targeting industrial end-markets such as machine vision, surveillance, and intelligent transportation systems by complementing the Company's existing high-speed, high-resolution, power-efficient image sensing solutions with Truesense’s high-performance image sensors for low-light, low-noise.

The following table presents the initial allocation and subsequent adjustments applied on a retrospective basis to the purchase price of Truesense for the assets acquired and liabilities assumed on April 30, 2014 based on their fair values (in millions):



	Initial Estimate		Adjustments			Adjusted Allocation
Cash and cash equivalents	$	4.2	$	—		$	4.2
Receivables	8.8		—			8.8
Inventories	18.8		(0.5		)	18.3
Other current assets	2.6		1.1			3.7
Property, plant and equipment	25.6		0.8			26.4
Goodwill	27.0		(0.1		)	26.9
Intangible assets	33.1		(0.5		)	32.6
In-process research and development	7.5		0.6			8.1
Total assets acquired	127.6		1.4			129.0
Accounts payable	3.8		—			3.8
Other current liabilities	5.6		0.3			5.9
Other non-current liabilities	23.1		0.5			23.6
Total liabilities assumed	32.5		0.8			33.3
Net assets acquired	$	95.1	$	0.6		$	95.7

Acquired intangible assets include $8.1 million of IPRD assets, which are to be amortized over the useful life upon successful completion of the related projects. The value assigned to IPRD was determined by considering the importance of products under development to the overall development plan, estimating costs to develop the purchased IPRD into commercially viable products, estimating the resulting net cash flows from the projects when completed and discounting the net cash flows to their present value.

Other acquired intangible assets of $32.6 million include: customer relationships of $18.8 million (five year weighted-average useful life) and developed technology of $13.8 million (twelve year weighted-average useful life).

Goodwill of $26.9 million was assigned to the Image Sensor Group. Among the factors that contributed to goodwill arising from the acquisition were the potential synergies expected to be derived from combining Truesense with the Company’s existing image sensor business. These synergies provide the capability of providing a broad range of high-performance image sensors to the industrial end-market. Goodwill will not be amortized but instead tested for impairment at least annually (more frequently if certain indicators are present). The $26.9 million of goodwill as of September 26, 2014 is not expected to be deductible for tax purposes.

The above represents an initial estimated purchase price allocation only, and is subject to change as the Company finalizes its determination relating to the valuation of net assets acquired from Truesense. Accordingly, future adjustments may impact the initial estimated amount of goodwill and other allocated amounts represented in the table above.

Pro-Forma Results of Operations

The following unaudited pro-forma consolidated results of operations for the quarters and nine months ended September 26, 2014 and September 27, 2013 have been prepared as if the acquisitions of Aptina and Truesense had occurred on January 1, 2013 and includes adjustments for depreciation expense, amortization of intangibles, and the effect of purchase accounting adjustment including the step-up of inventory (in millions, except per share data):



	Quarter Ended				Nine Months Ended
	September 26, 2014		September 27, 2013		September 26, 2014		September 27, 2013
Revenues	$	906.1	$	877	$	2,672.2	$	2,480.0
Gross profit	$	311.7	$	280.4	$	925.0	$	781.5
Net income attributable to ON Semiconductor Corporation	$	35.3	$	21.1	$	146.5	$	55.6
Net income per common share attributable to ON Semiconductor Corporation:
Basic	$	0.08	$	0.05	$	0.33	$	0.12
Diluted	$	0.08	$	0.05	$	0.33	$	0.12

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

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-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1383-128463

Reference 15: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6996-128479

Goodwill And Intangible Assets [Abstract]

Goodwill And Intangible Assets

9 Months Ended

Sep. 26, 2014

Goodwill And Intangible Assets

Goodwill and Intangible Assets

Goodwill

The following table summarizes goodwill by relevant operating segment as of September 26, 2014 and December 31, 2013 (in millions):



	Balance as of September 26, 2014							Balance as of December 31, 2013
	Goodwill		Accumulated Impairment Losses			Carrying Value		Goodwill		Accumulated Impairment Losses			Carrying Value
Operating Segment:
Application Products Group	$	539.9	$	(410.2	)	$	129.7	$	539.9	$	(410.2	)	$	129.7
Standard Products Group	76.0		(28.6		)	47.4		76.0		(28.6		)	47.4
Image Sensor Group	98.2		—			98.2		7.5		—			7.5
	$	714.1	$	(438.8	)	$	275.3	$	623.4	$	(438.8	)	$	184.6

The following table summarizes the change in goodwill from December 31, 2013 to September 26, 2014 (in millions):



Net balance as of December 31, 2013	$184.6
Additions due to business combinations	90.7
Net balance as of September 26, 2014	$	275.3

Goodwill is tested for impairment annually on the first day of the fourth quarter unless a triggering event would require an interim analysis. Adverse changes in operating results and/or unfavorable changes in economic factors used to estimate fair values could result in a non-cash impairment charge in the future. While management did not identify any triggering events through September 26, 2014 that would require an interim impairment analysis, the Company's current projections include assumptions of current industry and market conditions, which could negatively change, and in turn, may adversely impact the fair value of the Company's goodwill, intangible assets and other long-lived assets. As a result, the carrying value of the reporting units containing the Company's goodwill may exceed their fair value in future impairment tests.

Intangible Assets

Intangible assets, net, were as follows as of September 26, 2014 and December 31, 2013 (in millions):



	September 26, 2014
	Original Cost		Accumulated Amortization			Foreign Currency Translation Adjustment			Accumulated Impairment			Carrying Value		Useful Life (in Years)
Intellectual property	$	13.9	$	(9.9	)	$	—		$	(0.4	)	$	3.6	5-12
Customer relationships	432.0		(127.5		)	(27.6		)	(23.0		)	253.9		5-18
Patents	43.7		(20.7		)	—			(13.7		)	9.3		12
Developed technology	207.9		(82.8		)	—			(2.4		)	122.7		5-13
Trademarks	16.3		(7.8		)	—			(1.1		)	7.4		15
In-process research and development	83.5		—			—			—			83.5
Total intangibles	$	797.3	$	(248.7	)	$	(27.6	)	$	(40.6	)	$	480.4



	December 31, 2013
	Original Cost		Accumulated Amortization			Foreign Currency Translation Adjustment			Accumulated Impairment Losses			Carrying Value		Useful Life (in Years)
Intellectual property	$	13.9	$	(9.4	)	$	—		$	(0.4	)	$	4.1	5-12
Customer relationships	280.3		(105.5		)	(27.4		)	(23.0		)	124.4		5-18
Patents	43.7		(19.0		)	—			(13.7		)	11.0		12
Developed technology	146.2		(66.7		)	—			(2.4		)	77.1		5-12
Trademarks	14.0		(6.1		)	—			(1.1		)	6.8		15
Total intangibles	$	498.1	$	(206.7	)	$	(27.4	)	$	(40.6	)	$	223.4

Amortization expense for acquisition-related intangible assets amounted to $23.4 million and $42.0 million for the quarter and nine months ended September 26, 2014, respectively, and $8.2 million and $24.8 million for the quarter and nine months ended September 27, 2013, respectively. Amortization expense for intangible assets, with the exception of the $83.5 million of IPRD assets that will be amortized once the corresponding projects have been completed, is expected to be as follows over the next five years and thereafter (in millions):



Period	Estimated Amortization Expense
Remainder of 2014	$	31.7
2015	115.5
2016	77.4
2017	49.5
2018	35.4
Thereafter	87.4
Total estimated amortization expense	$	396.9

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

Restructuring, Asset Impairments And Other, Net

Restructuring, Asset Impairments And Other, Net

9 Months Ended

Sep. 26, 2014

Restructuring Charges [Abstract]

Restructuring, Asset Impairments and Other, Net

A summary description of the activity included in the “Restructuring, Asset Impairments and Other, Net” caption on the Company's Consolidated Statements of Operations and Comprehensive Income for the quarter and nine months ended September 26, 2014 is as follows (in millions):



	Restructuring		Impairment		Other			Total
Quarter ended September 26, 2014
System Solutions Group Voluntary Retirement Program	$	2.9	$	—	$	—		$	2.9
Business combination severance	4.8		—		—			4.8
KSS facility closure	2.5		—		(0.6		)	1.9
Other	0.5		—		—			0.5
Total	$	10.7	$	—	$	(0.6	)	$	10.1

	Restructuring		Impairment		Other			Total
Nine months ended September 26, 2014
System Solutions Group Voluntary Retirement Program	$	10.2	$	—	$	(4.5	)	$	5.7
Business combination severance	4.8		—		—			4.8
KSS facility closure	9.2		—		(2.0		)	7.2
Other	1.0		1.3		—			2.3
Total	$	25.2	$	1.3	$	(6.5	)	$	20.0

The following is a rollforward of the accrued restructuring charges from December 31, 2013 to September 26, 2014 (in millions):



	Balance as of December 31, 2013		Charges		Usage			Balance as of September 26, 2014

Estimated employee separation charges	$	25.2	$	22.5	$	(40.1	)	$	7.6
Estimated costs to exit	1.0		2.7		(2.8		)	0.9
Total	$	26.2	$	25.2	$	(42.9	)	$	8.5

Activity related to the Company’s Restructuring, asset impairments and other, net for programs that had not been completed as of September 26, 2014, is as follows:

System Solutions Group Voluntary Retirement Program

During the fourth quarter of 2013, the Company initiated a voluntary retirement program for employees of certain of its System Solutions Group subsidiaries in Japan (the "Q4 2013 Voluntary Retirement Program"). Approximately 350 employees opted to retire under the Q4 2013 Voluntary Retirement Program of which all employees had exited by September 26, 2014. For the quarter and the nine months ended September 26, 2014, the Company recognized approximately $2.9 million and $10.2 million, respectively, of employee separation charges related to the Q4 2013 Voluntary Retirement Program.

In connection with the Q4 2013 Voluntary Retirement Program, approximately 70 contractor positions were also identified for elimination, of which all had exited by September 26, 2014. During the nine months ended September 26, 2014, an additional 40 positions were identified for elimination, as an extension of the Q4 2013 Voluntary Retirement Program, consisting of 20 employees and 20 contractors, substantially all of which had exited by September 26, 2014.

As a result of the Q4 2013 Voluntary Retirement Program, the Company recognized a pension curtailment benefit associated with the affected employees of zero and $4.5 million during the quarter and nine months ended September 26, 2014, respectively, which is recorded in restructuring, asset impairments and other, net. As of September 26, 2014, the accrued liability for the Q4 2013 Voluntary Retirement Program associated with employee separation charges was $1.6 million. See Note 6: "Balance Sheet Information" for additional information.

During the nine months ended September 26, 2014, the Company initiated further voluntary retirement activities applicable to an additional 60 to 70 positions, for certain of its System Solutions Group subsidiaries in Japan, consisting of employees and contractors. The Company expects to incur an additional $0.2 million in employee separation charges related to this program through the end of 2014. Approximately 10 employees remain to exit under this program.

KSS Facility Closure

On October 6, 2013, the Company announced a plan to close KSS (the "KSS Plan"). Pursuant to the KSS Plan, a majority of the production from KSS was transferred to other of the Company's manufacturing facilities. The KSS Plan includes the elimination of approximately 170 full time and 40 contract employees. During the quarter ended September 26, 2014, the Company recorded approximately $1.2 million of employee separation charges and $1.3 million of exit costs related to the KSS Plan. The Company expects to record additional KSS Plan severance costs and related employee benefit plan expenses of approximately $0.5 million, along with other exit costs of approximately $2.0 million to $3.0 million. Approximately 25 employees remain to exit under this program.

As a result of the KSS facility closure, the Company recognized a $2.0 million pension curtailment benefit associated with the affected employees during the nine months ended September 26, 2014, which is recorded in Restructuring, asset impairments and other, net. See Note 6: "Balance Sheet Information" for additional information.

As of September 26, 2014, the accrued liability associated with employee separation charges was $5.9 million for the KSS Plan.

Business Combination Severance

Certain Aptina executives that did not have a continuing role subsequent to the acquisition date were terminated upon closing of the August 15, 2014 acquisition of Aptina. During the quarter ended September 26, 2014, the Company recorded approximately $4.8 million of related employee separation charges.

As of September 26, 2014, there was no accrued liability associated with executive severance charges.

Balance Sheet Information

9 Months Ended

Sep. 26, 2014

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Information

Certain significant amounts included in the Company's balance sheet as of September 26, 2014 and December 31, 2013 consist of the following (dollars in millions):



	September 26, 2014			December 31, 2013
Receivables, net:
Accounts receivable	$	490.5		$	384.4
Less: Allowance for doubtful accounts	(1.8		)	(1.0		)
	$	488.7		$	383.4
Inventories:
Raw materials	$	116.7		$	89.2
Work in process	371.9			319.6
Finished goods	235.7			203.0
	$	724.3		$	611.8
Other current assets:
Prepaid expenses	$	31.7		$	24.8
Value added and other income tax receivables	43.9			31.7
Other	29.7			32.8
	$	105.3		$	89.3
Property, plant and equipment, net (1):
Land	$	52.0		$	52.3
Buildings	494.2			467.7
Machinery and equipment	2,138.7			1,918.4
Total property, plant and equipment	2,684.9			2,438.4
Less: Accumulated depreciation	(1,473.0		)	(1,364.2		)
	$	1,211.9		$	1,074.2
Accrued expenses:
Accrued payroll	$	109.2		$	91.3
Sales related reserves	65.4			54.2
Restructuring reserves	8.5			26.2
Accrued pension liability	5.7			10.4
Accrued interest	5.2			1.9
Other	50.0			36.3
	$	244.0		$	220.3

(1) Included in property, plant, and equipment are approximately $12.5 million of fixed assets which are held-for-sale as of September 26, 2014.

Warranty Reserves

The activity related to the Company's warranty reserves for the nine months ended September 26, 2014 and September 27, 2013, respectively, is as follows (in millions):



	Nine Months Ended
	September 26, 2014			September 27, 2013
Beginning Balance	$	6.0		$	10.2
Provision	2.0			3.9
Usage	(2.3		)	(8.0		)
Ending Balance	$	5.7		$	6.1

Defined Benefit Plans

The Company maintains defined benefit plans for certain of its foreign subsidiaries. The Company recognizes the aggregate amount of all overfunded plans as assets and the aggregate amount of all underfunded plans as liabilities in its financial statements. As of September 26, 2014, the total accrued pension liability for underfunded plans was $100.0 million, which includes $1.0 million of pension liability acquired as part of the Aptina acquisition. The current portion of $5.7 million was classified as accrued expenses. As of December 31, 2013, the total accrued pension liability for underfunded plans was $128.9 million, of which the current portion of $10.4 million was classified as accrued expenses.

The Company recorded a pension curtailment gain of $0.6 million and $6.5 million included in Restructuring, asset impairments and other, net for the quarter and nine months ended September 26, 2014, respectively, related to the Q4 2013 Voluntary Retirement Program and KSS facility closure. See Note 5: "Restructuring, Asset Impairments and Other, Net" for additional information.

The components of the Company's net periodic pension expense for the quarters and nine months ended September 26, 2014 and September 27, 2013 are as follows (in millions):



	Quarter Ended						Nine Months Ended
	September 26, 2014			September 27, 2013			September 26, 2014			September 27, 2013
Service cost	$	2.2		$	2.9		$	7.1		$	9.5
Interest cost	1.3			1.6			4.3			5.2
Expected return on plan assets	(0.9		)	(1.1		)	(2.7		)	(3.3		)
Curtailment gain	(0.6		)	(0.2		)	(6.5		)	(12.1		)
Actuarial loss	—			—			—			13.6
Total net periodic pension cost	$	2.0		$	3.2		$	2.2		$	12.9

Long-Term Debt

9 Months Ended

Sep. 26, 2014

Long-term Debt, Unclassified [Abstract]

Long-Term Debt

The Company's long-term debt consists of the following (dollars in millions):



	September 26, 2014			December 31, 2013
Senior Revolving Credit Facility due 2018, interest payable monthly at 1.69% and 2.00%, respectively	$	350.0		$	120.0
Loan with Japanese bank due 2014 through 2018, interest payable quarterly at 1.99% and 2.00%, respectively (1)	245.4			273.7
2.625% Notes, Series B (net of discount of $16.6 million and $21.7 million, respectively) (2)	340.3			335.2
Loan with Hong Kong bank, interest payable weekly at 1.90% and 1.91%, respectively	22.0			40.0
Loans with Philippine bank due 2014 through 2015, interest payable monthly and quarterly at an average rate of 2.16% and 2.16%, respectively	35.4			39.2
Loan with Chinese bank due 2014, interest payable quarterly at 3.34%	—			7.0
Loan with Singapore bank, interest payable weekly at 1.40% and 1.94%, respectively	33.0			15.0
Loan with British finance company, interest payable monthly at 0.00% and 1.57%, respectively	—			0.2
U.S. real estate mortgages payable monthly through 2019 at an average rate of 3.35% and 4.86%, respectively	55.9			28.1
U.S. equipment financing payable monthly through 2016 at 2.94%	6.8			9.5
Canada equipment financing payable monthly through 2017 at 3.81%	4.6			5.9
Canada revolving line of credit, interest payable quarterly at 1.83% and 1.84%, respectively	15.0			15.0
Malaysia revolving line of credit, interest payable quarterly at 1.69%	25.0			—
Vietnam revolving line of credit, interest payable annually at 2.03%	4.8			—
Capital lease obligations	45.4			53.4
Long-term debt, including current maturities	1,183.6			942.2
Less: Current maturities	(203.3		)	(181.6		)
Long-term debt	$	980.3		$	760.6

_______________________


(1)	This loan represents SCI LLC's unsecured loan with SMBC, which is guaranteed by the Company.


(2)	Interest is payable on June 15 and December 15 of each year at 2.625% annually. The 2.625% Notes, Series B may be put back to the Company at the option of the holders of the notes on December 15 of 2016 and 2021 or called at the option of the Company on or after December 20, 2016.

Expected maturities relating to the Company’s long-term debt as of September 26, 2014 are as follows (in millions):



Period	Expected Maturities
Remainder of 2014	$	85.1
2015	141.7
2016	419.2
2017	45.7
2018	478.2
Thereafter	30.3
Total	$	1,200.2

For purposes of the table above, the 2.625% Notes, Series B are assumed to mature at the earliest put date.

For additional information with respect to the Company's long-term debt, see Note 8: "Long-Term Debt" of the notes to the Company's audited Consolidated Financial Statements included in Part IV, Item 15 of the 2013 Form 10-K.

Senior Revolving Credit Facility

During the third quarter of 2014, the Company drew an incremental amount of approximately $230.0 million on its existing senior revolving credit facility to partially fund the purchase of Aptina. The outstanding balance of the facility as of September 26, 2014 was $350.0 million.

U.S. Real Estate Mortgages

On August 4, 2014, one of the Company’s U.S. subsidiaries entered into an amended and restated loan agreement with a Scottish Bank for approximately $49.4 million, which was secured by certain of the Company's real estate. The loan bears interest payable monthly at an interest rate of approximately 3.12% per annum, with a balloon payment of approximately $26.7 million in 2019.

Malaysia Revolving Line of Credit

On September 23, 2014, one of the Company’s wholly-owned Malaysia subsidiaries and ON Semiconductor, as guarantor, entered into an unsecured and uncommitted $25.0 million line of credit (the “Malaysia Line of Credit”), the terms of which were set forth in an agreement by and between the Company’s Malaysia subsidiary and a Japanese bank. During the quarter ended September 26, 2014, the Company’s Malaysia subsidiary borrowed the full $25.0 million available under the Malaysia Line of Credit. Borrowings under the Malaysia Line of Credit bear interest based on 3-month LIBOR plus 1.45% per annum, with interest payable corresponding to the drawdown period. The borrowed amount is payable within 21 business days of demand.

Vietnam Revolving Line of Credit

On September 3, 2014, one of the Company’s wholly-owned Vietnam subsidiaries and ON Semiconductor, as guarantor, entered into an unsecured and uncommitted $25.0 million line of credit (the “Vietnam Line of Credit”), the terms of which were set forth in an agreement by and between the Company’s Vietnam subsidiary and a Japanese bank. During the quarter ended September 26, 2014, the Company’s Vietnam subsidiary borrowed approximately $4.8 million under the Vietnam Line of Credit. Borrowings under the Vietnam Line of Credit bear interest based on 12-month LIBOR plus 1.45% per annum, with interest payable corresponding to the drawdown period. The borrowed amount is payable within 5 business days of demand.

Debt Guarantees

ON Semiconductor was the sole issuer of the 2.625% Notes, Series B. See Note 16: "Guarantor and Non-Guarantor Statements" for the condensed consolidated financial information for the issuer of the 2.625% Notes, Series B, the guarantor subsidiaries and the non-guarantor subsidiaries.

Earnings per Share and Equity

9 Months Ended

Sep. 26, 2014

Earnings Per Share [Abstract]

Equity

Earnings Per Share and Equity

Earnings Per Share

Calculations of net income per common share attributable to ON Semiconductor are as follows (in millions, except per share data):



	Quarter Ended				Nine Months Ended
	September 26, 2014		September 27, 2013		September 26, 2014		September 27, 2013
Net income attributable to ON Semiconductor Corporation	$	41.6	$	51.8	$	188.0	$	122.1
Basic weighted average common shares outstanding	440.7		449.3		440.7		449.8
Add: Incremental shares for:
Dilutive effect of share-based awards	4.2		2.8		3.9		2.8
Diluted weighted average common shares outstanding	444.9		452.1		444.6		452.6

Net income per common share attributable to ON Semiconductor Corporation:
Basic	$	0.09	$	0.12	$	0.43	$	0.27
Diluted	$	0.09	$	0.11	$	0.42	$	0.27

Basic net income per common share is computed by dividing net income attributable to ON Semiconductor Corporation by the weighted average number of common shares outstanding during the period.

The number of incremental shares from the assumed exercise of stock options and assumed issuance of shares relating to restricted stock units is calculated by applying the treasury stock method. Share-based awards whose impact is considered to be anti-dilutive under the treasury stock method were excluded from the diluted net income per share calculation. The excluded number of anti-dilutive share-based awards was approximately 3.8 million and 12.4 million for the quarters ended September 26, 2014 and September 27, 2013, respectively, and 6.2 million and 12.7 million for the nine months ended September 26, 2014 and September 27, 2013, respectively.

The dilutive impact related to the Company's 2.625% Notes, Series B is determined in accordance with the net share settlement requirements prescribed by ASC Topic 260, Earnings Per Share. Under the net share settlement calculation, the Company's convertible notes are assumed to be convertible into cash up to the par value, with the excess of par value being convertible into common stock. A dilutive effect occurs when the stock price exceeds the conversion price for each of the convertible notes. In periods when the share price is lower than the conversion price, the impact is anti-dilutive and therefore has no impact on the Company's earnings per share calculations.

Equity

Share Repurchase Program

Information relating to the Company's share repurchase program is as follows (in millions, except per share data):



	Quarter Ended						Nine Months Ended
	September 26, 2014			September 27, 2013			September 26, 2014			September 27, 2013

Number of repurchased shares (1)	2.6			4.1			5.9			5.6

Beginning accrued share repurchases (2)	—			2.7			0.6			—
Aggregate purchase price	$	24.2		$	30.2		$	54.4		$	42.3
Less: ending accrued share repurchases (3)	$	(1.3	)	$	(6.5	)	$	(1.3	)	$	(6.5	)
Total cash used for share repurchases	$	22.9		$	26.4		$	53.7		$	35.8

Weighted-average purchase price per share (4)	$	9.23		$	7.41		$	9.25		$	7.54
Available for future purchases at period end	$	89.0		$	202.4		$	89.0		$	202.4

(1) None of these shares had been reissued or retired as of September 26, 2014, but may be reissued or retired by

the Company at a later date.

(2) Represents unpaid amounts recorded in accrued expenses on the Company's Consolidated Balance

Sheet as of the beginning of the period.

(3) Represents unpaid amounts recorded in accrued expenses on the Company's Consolidated Balance

Sheet as of the end of the period.

(4) Exclusive of fees, commissions and other expenses.

Shares for Restricted Stock Units Tax Withholding

Treasury stock is recorded at cost and is presented as a reduction of stockholders' equity in the accompanying consolidated financial statements. Shares with a fair market value equal to the applicable statutory minimum amount of the employee withholding taxes due are withheld by the Company upon the vesting of restricted stock units to pay the applicable statutory minimum amount of employee withholding taxes and are considered common stock repurchases. The Company then pays the applicable statutory minimum amount of withholding taxes in cash. The amount remitted for the quarter and nine months ended September 26, 2014 was $0.6 million and $6.0 million, respectively, for which the Company withheld approximately 0.1 million and 0.7 million shares of common stock, respectively, that were underlying the restricted stock units that vested. None of these shares had been reissued or retired as of September 26, 2014; however, these shares may be reissued or retired by the Company at a later date.

Non-Controlling Interest

The Company's entity which operates assembly and test operations in Leshan, China is owned by a joint venture company, Leshan-Phoenix Semiconductor Company Limited (“Leshan”). The Company owns a majority of the outstanding equity interests in Leshan and its investment in Leshan has been consolidated in the Company's financial statements.

At December 31, 2013, the non-controlling interest balance was $32.8 million. This balance was $31.7 million as of September 26, 2014 due to the non-controlling interest's $1.6 million share of the earnings for the nine months ended September 26, 2014, offset by a $2.7 million dividend paid to the non-controlling shareholder.

At December 31, 2012, the non-controlling interest balance was $29.6 million. This balance increased to $32.3 million at September 27, 2013 due to the non-controlling interest's $2.7 million share of the earnings for the nine months ended September 27, 2013.

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(d),(e))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 4.E)
-URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29-31)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 505
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-Paragraph 6
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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-Paragraph 1
-Subparagraph (SX 210.3-04)
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
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Reference 10: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 505
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Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Preferred Stock
-URI http://asc.fasb.org/extlink&oid=6521494

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
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Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-Paragraph 11
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Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph d
-Article 4

Reference 15: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30, 31
-Article 5

Reference 16: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section E

Reference 17: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
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Reference 18: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
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Reference 19: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-Based Compensation

9 Months Ended

Sep. 26, 2014

Share-Based Compensation

Total share-based compensation expense related to the Company's employee stock options, restricted stock units and ESPP for the quarters and nine months ended September 26, 2014 and September 27, 2013 was comprised as follows (in millions):



	Quarter Ended				Nine Months Ended
	September 26, 2014		September 27, 2013		September 26, 2014		September 27, 2013
Cost of revenues	$	1.7	$	1.3	$	4.8	$	3.8
Research and development	2.2		1.5		6.2		4.6
Selling and marketing	2.1		1.4		5.8		4.1
General and administrative	5.1		2.8		16.2		10.9
Share-based compensation expense before income taxes	$	11.1	$	7.0	$	33.0	$	23.4
Related income tax benefits ⁽¹⁾	—		—		—		—
Share-based compensation expense, net of taxes	$	11.1	$	7.0	$	33.0	$	23.4

____________________


⁽¹⁾	A majority of the Company’s share-based compensation relates to its domestic subsidiaries; therefore, no related deferred income tax benefits are recorded due to historical net operating losses at those subsidiaries.

At September 26, 2014, total estimated unrecognized share-based compensation expense, net of estimated forfeitures, related to non-vested stock options granted prior to that date was $3.4 million. At September 26, 2014, total estimated unrecognized share-based compensation expense, net of estimated forfeitures, related to non-vested restricted stock units with time-based service conditions and performance-based vesting criteria granted prior to that date was $54.1 million. The total intrinsic value of stock options exercised during the quarter and nine months ended September 26, 2014 was $1.9 million and $8.3 million, respectively. The Company recorded cash received from the exercise of stock options of $5.0 million and $20.4 million during the quarter and nine months ended September 26, 2014. The Company recorded no related income tax benefits during the quarter and nine months ended September 26, 2014.

Share-Based Compensation Information

Share-based compensation expense recognized in the Consolidated Statements of Operations and Comprehensive Income is based on awards ultimately expected to vest. Forfeitures are estimated at the time of grant and revised, if necessary, in subsequent periods if actual forfeitures differ from those estimates. Pre-vesting forfeitures for stock options were estimated to be approximately 11.0% and 11.0% in the quarters and nine months ended September 26, 2014 and September 27, 2013, respectively. Pre-vesting forfeitures for restricted stock units were estimated to be approximately 5.0% and 5.0% in the quarters and nine months ended September 26, 2014 and September 27, 2013, respectively.

Shares Available

As of December 31, 2013, there was an aggregate of 37.4 million shares of common stock available for grant under the Company's Amended and Restated SIP and 4.3 million shares available for issuance under the ESPP. As of September 26, 2014, there was an aggregate of 35.7 million shares of common stock available for grant under the Amended and Restated SIP and 3.6 million shares available for issuance under the ESPP.

Stock Options

A summary of stock option transactions follows (in millions except per share and term data):



	Nine Months Ended September 26, 2014
	Number of Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (In-The-Money)
Outstanding at December 31, 2013	14.0		$	7.89
Granted	—		—
Exercised	(3.1	)	6.68
Canceled	(1.1	)	10.88
Outstanding at September 26, 2014	9.8		$	7.92	3.20	$	16.2

Exercisable at September 26, 2014	8.1		$	8.01	2.91	$	13.0

Additional information about stock options outstanding at September 26, 2014 with exercise prices less than or above $9.32 per share, the effective closing price of the Company's common stock at September 26, 2014, follows (number of shares in millions):



	Exercisable			Unexercisable			Total
Exercise Prices	Number of Shares	Weighted Average Exercise Price		Number of Shares	Weighted Average Exercise Price		Number of Shares	Weighted Average Exercise Price
Less than $9.32	6.8	$	7.41	1.6	$	7.37	8.4	$	7.40
Above $9.32	1.3	$	11.09	0.1	$	11.04	1.4	$	11.08
Total outstanding	8.1	$	8.01	1.7	$	7.58	9.8	$	7.92

Restricted Stock Units

Restricted stock units vest over one to three years with service-based requirements or performance-based requirements and are payable in shares of the Company's common stock upon vesting. The following table presents a summary of the status of the Company's restricted stock units granted to certain officers and employees of the Company as of September 26, 2014, and changes during the nine months ended September 26, 2014 (number of shares in millions):



	Nine Months Ended September 26, 2014
	Number of Shares		Weighted Average Grant Date Fair Value
Non-vested shares underlying restricted stock units at December 31, 2013	10.8		$	8.52
Granted	4.3		9.39
Released	(2.2	)	8.28
Forfeited	(3.2	)	10.10
Non-vested shares underlying restricted stock units at September 26, 2014	9.7		$	8.44

Stock Grant Awards

During the nine months ended September 26, 2014, the Company granted approximately 0.1 million shares of stock pursuant to stock grant awards to certain directors of the Company with immediate vesting and a weighted average grant date fair value of $8.66 per share.

Commitments And Contingencies

9 Months Ended

Sep. 26, 2014

Commitments and Contingencies Disclosure [Abstract]

Commitments And Contingencies

Commitments and Contingencies

Leases

The following is a schedule by year of future minimum lease obligations under non-cancelable operating leases as of September 26, 2014 (in millions):



Remainder of 2014	$	5.6
2015	20.5
2016	17.5
2017	13.7
2018	9.5
Thereafter	38.5
Total	$	105.3

Environmental Contingencies

The Company’s headquarters in Phoenix, Arizona is located on property that is a “Superfund” site, which is a property listed on the National Priorities List and subject to clean-up activities under the Comprehensive Environmental Response, Compensation, and Liability Act. Motorola and Freescale have been involved in the clean-up of on-site solvent contaminated soil and groundwater and off-site contaminated groundwater pursuant to consent decrees with the State of Arizona. As part of the Company's August 4, 1999 recapitalization (the "Recapitalization"), Motorola retained responsibility for this contamination, and Motorola and Freescale have agreed to indemnify the Company with respect to remediation costs and other costs or liabilities related to this matter.

As part of the Recapitalization, the Company was granted various manufacturing facilities, one of which was located in the Czech Republic. In regards to this site, the Company has ongoing remediation projects to respond to releases of hazardous substances that occurred prior to the Recapitalization during the years that this facility was operated by government-owned entities. In each case, the remediation project consists primarily of monitoring groundwater wells located on-site and off-site with additional action plans developed to respond in the event activity levels are exceeded at each of the respective locations. The government of the Czech Republic has agreed to indemnify the Company and the respective subsidiaries, subject to specified limitations, for remediation costs associated with this historical contamination. Based upon the information available, total future remediation costs to the Company are not expected to be material.

The Company’s design center in East Greenwich, Rhode Island is located on property that has localized soil contamination. In connection with the purchase of the facility, the Company entered into a settlement agreement and covenant not to sue with the State of Rhode Island. This agreement requires that remedial actions be undertaken and a quarterly groundwater monitoring program be initiated by the former owners of the property. Based on the information available, any costs to the Company in connection with this matter have not been, and are not expected to be, material.

As a result of its acquisition of AMIS, the Company is a "primary responsible party" to an environmental remediation and clean-up at AMIS's former corporate headquarters in Santa Clara, California. Costs incurred by AMIS have included implementation of the clean-up plan, operations and maintenance of remediation systems, and other project management costs. However, AMIS's former parent company, a subsidiary of Nippon Mining, contractually agreed to indemnify AMIS and the Company for any obligations relating to environmental remediation and clean-up at this location. Based on the information available, any costs to the Company in connection with this matter have not been, and are not expected to be, material.

The Company's former manufacturing location in Aizu, Japan is located on property where soil and ground water contamination has been detected. The Company believes that the contamination originally occurred during a time when the facility was operated by a prior owner. The Company has worked with local authorities to implement a remediation plan and expects remaining remediation costs to be covered by insurance. Based on information available, any costs to the Company in connection with this matter have not been, and are not expected to be, material.

Financing Contingencies

In the normal course of business, the Company provides standby letters of credit or other guarantee instruments to certain parties initiated by either the Company or its subsidiaries, as required for transactions such as, but not limited to, purchase commitments, agreements to mitigate collection risk, leases, utilities or customs guarantees. The Company's senior revolving credit facility includes $40.0 million of availability for the issuance of letters of credit. A $0.2 million letter of credit was outstanding under the senior revolving credit facility as of September 26, 2014. The Company also had outstanding guarantees and letters of credit outside of its senior revolving credit facility totaling $5.6 million as of September 26, 2014.

As part of securing financing in the normal course of business, the Company issued guarantees related to certain of its capital lease obligations, equipment financing, lines of credit and real estate mortgages, which totaled approximately $114.6 million as of September 26, 2014. The Company is also a guarantor of SCI LLC's unsecured loan with SMBC, which had a balance of $245.4 million as of September 26, 2014. See Note 7: "Long-Term Debt" for further information on this loan.

Based on historical experience and information currently available, the Company believes that in the foreseeable future it will not be required to make payments under the standby letters of credit or guarantee arrangements.

Indemnification Contingencies

The Company is a party to a variety of agreements entered into in the ordinary course of business pursuant to which it may be obligated to indemnify the other parties for certain liabilities that arise out of or relate to the subject matter of the agreements. Some of the agreements entered into by the Company require it to indemnify the other party against losses due to IP infringement, property damage including environmental contamination, personal injury, failure to comply with applicable laws, the Company’s negligence or willful misconduct, or breach of representations and warranties and covenants related to such matters as title to sold assets.

The Company faces risk of exposure to warranty and product liability claims in the event that its products fail to perform as expected or such failure of its products results, or is alleged to result, in economic damage, bodily injury or property damage. In addition, if any of the Company’s designed products are alleged to be defective, the Company may be required to participate in their recall. Depending on the significance of any particular customer and other relevant factors, the Company may agree to provide more favorable rights to such customer for valid defective product claims.

The Company and its subsidiaries provide for indemnification of directors, officers and other persons in accordance with limited liability agreements, certificates of incorporation, by-laws, articles of association or similar organizational documents, as the case may be. The Company maintains directors’ and officers’ insurance, which should enable it to recover a portion of any future amounts paid.

While the Company’s future obligations under certain agreements may contain limitations on liability for indemnification, other agreements do not contain such limitations and under such agreements it is not possible to predict the maximum potential amount of future payments due to the conditional nature of the Company’s obligations and the unique facts and circumstances involved in each particular agreement. Historically, payments made by the Company under any of these indemnities have not had a material effect on the Company’s business, financial condition, results of operations or cash flows. Additionally, the Company does not believe that any amounts that it may be required to pay under these indemnities in the future will be material to the Company’s business, financial position, results of operations or cash flows.

Legal Matters

The Company is currently involved in a variety of legal matters that arise in the normal course of business. Based on information currently available, management does not believe that the ultimate resolution of these matters will have a material effect on the Company's financial condition, results of operations or cash flows. However, because of the nature and inherent uncertainties of litigation, should the outcome of these actions be unfavorable, the Company's business, consolidated financial position, results of operations or cash flows could be materially and adversely affected.

Intellectual Property Matters

We face risk to exposure from claims of infringement of the IP rights of others. In the ordinary course of business, we receive letters asserting that our products or components breach another party’s rights. These threats may seek that we make royalty payments, that we stop use of such rights, or other remedies.

On August 22, 2014, Collabo Innovations, Inc. filed a lawsuit in the U.S. District court for the state of Delaware against ON Semiconductor and two of its subsidiaries alleging that certain of Aptina’s and ON Semiconductor’s image sensor products infringe three U.S. patents. The lawsuit is captioned as: Collabo Innovations, Inc. v. Aptina (U.S.) Inc.. Aptina, LLC, and ON Semiconductor Corporation and seeks unspecified damages for past infringement. The Company has not been served with the complaint and believes the claims stated are without merit. In the event the Company is served, it will defend the litigation vigorously. The litigation process is inherently uncertain, however, and the Company cannot guarantee that the outcome of this matter will be favorable.

Fair Value Of Financial Instruments

9 Months Ended

Sep. 26, 2014

Fair Value, Assets, Liabilities and Stockholders' Equity Measured on Recurring Basis [Abstract]

Fair Value Of Financial Instruments

Fair Value Measurements

Fair Value of Financial Instruments

The following table summarizes the Company's financial assets and liabilities measured at fair value on a recurring basis as of September 26, 2014 and December 31, 2013 (in millions):



	Balance as of September 26, 2014		Quoted Prices in Active Markets (Level 1)		Balance as of December 31, 2013		Quoted Prices in Active Markets (Level 1)
Description
Assets:
Cash and cash equivalents:
Demand and time deposits	$	436.6	$	436.6	$	447.5	$	447.5
Money market funds	55.5		55.5		62.0		62.0
Liabilities:
Foreign currency exchange contracts	$	0.2	$	0.2	$	0.1	$	0.1

Short-term investments have an original maturity to the Company between three months and one year, are classified as held-to-maturity and are carried at amortized cost as the Company has the intent and the ability to hold these securities until maturity. Short-term investments classified as held-to-maturity as of September 26, 2014 and December 31, 2013 were as follows (in millions):



	Balance at September 26, 2014				Balance at December 31, 2013
	Carried at Amortized Cost		Fair Value		Carried at Amortized Cost		Fair Value
Short-term investments held-to-maturity
Commercial paper	$	—	$	—	$	15.5	$	15.5
Corporate bonds	2.8		2.8		93.7		93.7
Government agencies	—		—		7.0		7.0
	$	2.8	$	2.8	$	116.2	$	116.2

The Company’s financial assets are valued using market prices on active markets (Level 1). The Company's short-term investments balance of $2.8 million as of September 26, 2014 is classified as held-to-maturity and is carried at amortized cost. There was no unrealized gain or loss on these short-term investments as of September 26, 2014.

The carrying amounts of other current assets and liabilities, such as accounts receivable and accounts payable, approximate fair value based on the short-term nature of these instruments.

Fair Value of Long-Term Debt, Including Current Portion

The carrying amounts and fair values of the Company’s long-term borrowings (excluding capital lease obligations, real estate mortgages and equipment financing) as of September 26, 2014 and December 31, 2013 are as follows (in millions):



	September 26, 2014				December 31, 2013
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Long-term debt, including current portion
2.625% Notes, Series B	$	340.3	$	409.6	$	335.2	$	392.6
Long-term debt	$	730.6	$	732.5	$	510.2	$	511.4

The fair value of the Company's 2.625% Notes, Series B was estimated based on market prices in active markets (Level 1). The fair value of other long-term debt was estimated based on discounting the remaining principal and interest payments using current market rates for similar debt (Level 2) as of September 26, 2014 and December 31, 2013.

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

Investments, All Other Investments [Abstract]

Financial Instruments

9 Months Ended

Sep. 26, 2014

Financial Instruments

Foreign Currencies

As a multinational business, the Company’s transactions are denominated in a variety of currencies. When appropriate, the Company uses forward foreign currency contracts to reduce its overall exposure to the effects of currency fluctuations on its results of operations and cash flows. The Company’s policy prohibits trading in currencies for which there are no underlying exposures, or entering into trades for any currency to intentionally increase the underlying exposure.

The Company primarily hedges existing assets and liabilities associated with transactions currently on its balance sheet.

As of September 26, 2014 and December 31, 2013, the Company had outstanding foreign exchange contracts with notional amounts of $141.7 million and $101.7 million, respectively. Such contracts were obtained through financial institutions and were scheduled to mature within one to three months from the time purchase. Management believes that these financial instruments should not subject the Company to increased risks from foreign exchange movements because gains and losses on these contracts should offset losses and gains on the underlying assets, liabilities and transactions to which they are related. The following schedule shows the Company’s net foreign exchange positions in U.S. dollars as of September 26, 2014 and December 31, 2013 (in millions):



	September 26, 2014					December 31, 2013
	Buy (Sell)			Notional Amount		Buy (Sell)			Notional Amount
Euro	$	(33.6	)	$	33.6	$	(30.5	)	$	30.5
Japanese Yen	(30.2		)	30.2		(6.7		)	6.7
Malaysian Ringgit	42.5			42.5		35.8			35.8
Philippine Peso	19.8			19.8		11.7			11.7
Other Currencies	9.9			15.6		10.6			17.0
	$	8.4		$	141.7	$	20.9		$	101.7

The Company is exposed to credit-related losses if counterparties to its foreign exchange contracts fail to perform their obligations. As of September 26, 2014, the counterparties to the Company’s foreign exchange contracts are highly rated financial institutions and no credit-related losses are anticipated. Amounts payable or receivable under the contracts are included in other current assets or accrued expenses in the accompanying Consolidated Balance Sheet. For the quarters ended September 26, 2014 and September 27, 2013, realized and unrealized foreign currency transaction loss was $0.9 million and a gain of $0.1 million, respectively. For the nine months ended September 26, 2014 and September 27, 2013, realized and unrealized foreign currency transaction loss was $2.8 million and a gain of $4.9 million, respectively.

As of September 26, 2014 and December 31, 2013, the Company had balances for contracts not designated as cash flow hedges of $0.2 million and $0.1 million, respectively, that were classified as other liabilities.

Cash Flow Hedges

The Company is exposed to global market risks associated with fluctuations in interest rates and foreign currency exchange rates. The Company addresses these risks through controlled management that includes the use of derivative financial instruments to economically hedge or reduce these exposures. The Company does not enter into derivative financial instruments for trading or speculative purposes.

The purpose of the Company's foreign currency hedging activities is to protect the Company from the risk that the eventual cash flows resulting from transactions in foreign currencies will be adversely affected by changes in exchange rates. The Company enters into forward contracts that are designated as foreign-currency cash flow hedges of selected forecasted payments denominated in currencies other than U.S. dollars. All the contracts mature within 12 months and upon maturity, the amount recorded in accumulated other comprehensive income is reclassified into earnings. The Company documents all relationships between designated hedging instruments and hedged items, as well as its risk management objective and strategy for undertaking hedge transactions.

All derivatives are recognized on the balance sheet at their fair value and classified based on the instrument's maturity date. The total notional amount of outstanding derivatives designated as cash flow hedges as of September 26, 2014 was approximately $83.1 million, which is primarily comprised of cash flow hedges for Malaysian Ringgit/U.S. dollar and Philippine Peso/U.S. dollar currency pairs.

For the quarter and nine months ended September 26, 2014, the Company recorded a net gain of $0.4 million and a net loss of $1.0 million, respectively, associated with cash flow hedges recognized as a component of cost of revenues. As of September 26, 2014, the Company had a $0.4 million liability balance for contracts designated as cash flow hedging instruments. As of December 31, 2013, the Company had a $1.8 million liability balance for contracts designated as cash flow hedging instruments that were classified as other liabilities. As of September 26, 2014, the Company had no asset balances for contracts designated as cash flow hedging instruments that were classified as other assets. As of December 31, 2013, the Company had no asset balances for contracts designated as cash flow hedging instruments.

Changes in Accumulated Other Comprehensive Loss

9 Months Ended

Sep. 26, 2014

Equity [Abstract]

Changes in Accumulated Other Comprehensive Loss

Amounts comprising the Company's accumulated other comprehensive loss and reclassifications for the nine months ended September 26, 2014 are as follows (net of tax of $0, in millions):




	Foreign Currency Translation Adjustments			Effects of Cash Flow Hedges			Unrealized Gains and Losses on Available-for-Sale Securities		Total
Balance as of December 31, 2013	$	(46.0	)	$	(1.8	)	$	0.4	$	(47.4	)
Other comprehensive income (loss) prior to reclassifications	1.3			2.5			—		3.8
Amounts reclassified from accumulated other comprehensive loss	—			(1.0		)	—		(1.0		)
Net current period other comprehensive gain	1.3			1.5			—		2.8
Balance as of September 26, 2014	$	(44.7	)	$	(0.3	)	$	0.4	$	(44.6	)

Amounts which were reclassified from accumulated other comprehensive loss to the Company's Consolidated Statements of Operations and Comprehensive Income during the quarter and nine months ended September 26, 2014 and September 27, 2013 respectively, were as follows (net of tax of $0, in millions):



	Amounts Reclassified from Accumulated Other Comprehensive Loss
	Quarter Ended September 26, 2014		Nine Months Ended September 26, 2014			Affected Line Item Where Net Income is Presented
Effects of cash flow hedges	$	0.4	$	(1.0	)	Cost of revenues



	Amounts Reclassified from Accumulated Other Comprehensive Loss
	Quarter Ended September 27, 2013			Nine Months Ended September 27, 2013			Affected Line Item Where Net Income is Presented
Foreign currency translation adjustments	$	—		$	(21.0	)	Restructuring, asset impairments and other, net
Effects of cash flow hedges	(1.7		)	(1.4		)	Other income and expense
Total reclassifications	$	(1.7	)	$	(22.4	)

Included in accumulated other comprehensive loss as of September 26, 2014 is approximately $11.2 million of foreign currency translation losses related to the Company’s subsidiary that owns the KSS facility, which utilizes the Japanese Yen as its functional currency. In connection with the previously announced restructuring plan, the Company intends to liquidate and wind-down the legal entity. Upon the substantial liquidation of the KSS entity, the Company will evaluate the need to release any amount remaining in accumulated other comprehensive income to its results of operations, as required by the appropriate accounting standards.

The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e689-108580

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669619-108580

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e640-108580

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e716-108580

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e709-108580

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e637-108580

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Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Reclassification Adjustments
-URI http://asc.fasb.org/extlink&oid=6522872

Supplemental Cash Flow Elements [Abstract]

Supplemental Disclosure of Cash Flow Information

9 Months Ended

Sep. 26, 2014

Cash Flow, Supplemental Disclosures

Supplemental Disclosures

Supplemental Disclosure of Cash Flow Information

Certain of the Company's non-cash activities along with cash payments for interest and income taxes are as follows (in millions):



	For the Nine Months Ended
	September 26, 2014			September 27, 2013
Non-cash activities:
Capital expenditures in accounts payable	$	97.4		$	42.1
Equipment acquired or refinanced through capital leases	$	6.1		$	2.4
Cash (received) paid for:
Interest income	$	(0.6	)	$	(1.0	)
Interest expense	$	15.2		$	14.2
Income taxes	$	15.5		$	9.9

Pursuant to the agreement and plan of merger between the Company and the sellers of Aptina, $40.0 million of the total purchase consideration was withheld by the Company and placed into an escrow account to secure against certain indemnifiable events described in the Merger Agreement. The $40.0 million consideration held in escrow was accounted for as restricted cash as of September 26, 2014 and in included in cash flows from investing activities on the Company's Consolidated Statement of Cash Flows.

Supplemental Disclosure of Income Tax Information

The income tax benefit for the nine months ended September 26, 2014 included the reversal of $21.7 million of the Company's previously established valuation allowance against its U.S. deferred tax assets as a result of a net deferred tax liability recorded as part of the Truesense acquisition and the reversal of $3.6 million for reserves and interest for uncertain tax positions in foreign taxing jurisdictions that were effectively settled or for which the statute lapsed during the quarter ended September 26, 2014, partially offset by $19.2 million for income and withholding taxes of certain of our foreign and domestic operations and $2.4 million of new reserves and interest on existing reserves for uncertain tax positions in foreign taxing jurisdictions.

The Company's provision for income taxes is subject to volatility and could be adversely impacted by earnings being lower than anticipated in countries that have lower tax rates and earnings being higher than anticipated in countries that have higher tax rates. The Company's effective tax rate for the quarter and nine months ended September 26, 2014 was 13.0% and a benefit of 2.0%, respectively, which differs from the U.S. statutory federal income tax rate of 35% due to our domestic tax losses and tax rate differential in our foreign subsidiaries, as well as the reversal of valuation allowances and certain reserves and interest for potential liabilities in foreign taxing jurisdictions that were effectively settled or for which the statute lapsed during the quarter and nine months ended September 26, 2014. The Company continues to maintain a full valuation allowance on all of its domestic and substantially all of its Japan related deferred tax assets; however, it is reasonably possible that a substantial portion of the valuation allowance on the Company's domestic deferred tax assets will be reversed within one year of September 26, 2014, which is not expected to have a material effect on the Company's cash taxes. As of December 31, 2013, the valuation allowance on our domestic deferred tax assets was approximately $524 million.

Segment Information

9 Months Ended

Sep. 26, 2014

Segment Reporting, Measurement Disclosures [Abstract]

Segment Information

As of September 26, 2014, the Company was organized into four reporting segments, consisting of its three existing reporting segments, Application Products Group, Standard Products Group and System Solutions Group, as well as a fourth reporting segment, Image Sensor Group. The Company's Image Sensor Group was established during the third quarter of 2014, and includes the Company's recent image sensor business acquisition of Aptina along with the Company's existing image sensor business units (including Truesense) which were previously reported as part of the Application Products Group. See Note 3: "Acquisitions" for additional information with respect to the Company's recent acquisitions. Previously reported information has been recast to reflect the current reportable segments.

Each of the Company's major product lines has been examined and each product line has been assigned to a reportable segment based on the Company's operating strategy. Because many products are sold into different end-markets, the total revenue reported for a segment is not indicative of actual sales in the end-market associated with that segment, but rather is the sum of the revenue from the product lines assigned to that segment. These segments represent the Company's view of the business and as such are used to evaluate progress of major initiatives and allocation of resources.

Revenues, gross profit and operating income for the Company’s reportable segments for the quarters and nine months ended September 26, 2014 and September 27, 2013, respectively, are as follows (in millions):



	Application Products Group		Image Sensor Group			Standard Products Group		System Solutions Group			Total
For the quarter ended September 26, 2014:
Revenues from external customers	$	265.8	$	103.6		$	317.3	$	146.8		$	833.5
Segment gross profit	$	119.1	$	23.8		$	115.8	$	31.9		$	290.6
Segment operating income (loss)	$	30.5	$	(17.8	)	$	65.0	$	3.4		$	81.1
For the quarter ended September 27, 2013:
Revenues from external customers	$	260.5	$	8.5		$	289.6	$	156.8		$	715.4
Segment gross profit	$	114.4	$	4.6		$	95.6	$	34.3		$	248.9
Segment operating income (loss)	$	31.9	$	(1.5	)	$	54.9	$	(3.0	)	$	82.3



	Application Products Group		Image Sensor Group			Standard Products Group		System Solutions Group			Total
For the nine months ended September 26, 2014:
Revenues from external customers	$	810.2	$	139.9		$	913.9	$	433.6		$	2,297.6
Segment gross profit	$	362.2	$	43.7		$	332.2	$	87.9		$	826.0
Segment operating income (loss)	$	102.1	$	(15.1	)	$	185.9	$	(5.4	)	$	267.5
For the nine months ended September 27, 2013:
Revenues from external customers	$	737.2	$	28.3		$	831.2	$	468.0		$	2,064.7
Segment gross profit	$	318.4	$	17.9		$	296.1	$	63.4		$	695.8
Segment operating income (loss)	$	80.2	$	(0.1	)	$	177.8	$	(71.7	)	$	186.2

Depreciation and amortization expense is included in segment operating income. Reconciliations of segment gross profit and segment operating income to the financial statements are as follows (in millions):



	Quarter Ended
	September 26, 2014			September 27, 2013
Gross profit for reportable segments	$	290.6		$	248.9
Unallocated amounts:
Other unallocated manufacturing costs	(6.5		)	0.3
Gross profit	$	284.1		$	249.2
Operating income for reportable segments	$	81.1		82.3
Unallocated amounts:
Restructuring and other charges	(10.1		)	(11.0		)
Other unallocated manufacturing costs	(6.5		)	0.3
Other unallocated operating expenses	(6.9		)	(4.3		)
Operating income	$	57.6		$	67.3



	Nine Months Ended
	September 26, 2014			September 27, 2013
Gross profit for reportable segments	$	826.0		$	695.8
Unallocated amounts:
Other unallocated manufacturing costs	(18.1		)	(10.3		)
Gross profit	$	807.9		$	685.5
Operating income for reportable segments	267.5			186.2
Unallocated amounts:
Restructuring and other charges	(20.0		)	(11.1		)
Other unallocated manufacturing costs	(18.1		)	(10.3		)
Other unallocated operating expenses	(16.8		)	(8.9		)
Operating income	$	212.6		$	155.9

The Company's consolidated assets are not specifically assigned to its individual reporting segments. Rather, assets used in operations are generally shared across the Company's reporting segments. See Note 6: "Balance Sheet Information" for additional information.

The Company operates in various geographic locations. Sales to unaffiliated customers have little correlation with the location of manufacturers. It is, therefore, not meaningful to present operating profit by geographical location.

Revenues by geographic location, including local sales made by operations within each area based on sales billed from the respective country, are summarized as follows (in millions):



	Quarter Ended
	September 26, 2014		September 27, 2013
United States	$	125.5	$	109.0
Japan	77.4		70.3
Hong Kong	263.9		230.1
Singapore	210.4		178.3
United Kingdom	126.3		101.9
Other	30.0		25.8
	$	833.5	$	715.4



	Nine Months Ended
	September 26, 2014		September 27, 2013
United States	$	352.6	$	306.4
Japan	210.0		217.6
Hong Kong	692.8		628.0
Singapore	580.5		525.6
United Kingdom	367.0		302.2
Other	94.7		84.9
	$	2,297.6	$	2,064.7

For the quarters and nine months ended September 26, 2014 and September 27, 2013, there were no individual customers which accounted for more than 10% of the Company's total revenues.

Property, plant and equipment, net by geographic location, is summarized as follows (in millions):



	September 26, 2014		December 31, 2013
United States	$	303.6	$	255.3
Czech Republic	114.6		111.1
Malaysia	231.3		213.9
Philippines	191.6		173.8
Other	370.8		320.1
	$	1,211.9	$	1,074.2

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Guarantor And Non-Guarantor Statements [Abstract]

Guarantor And Non-Guarantor Statements

9 Months Ended

Sep. 26, 2014

Guarantor And Non-Guarantor Statements

Guarantor and Non-Guarantor Statements

ON Semiconductor is the sole issuer of the 2.625% Notes, Series B. ON Semiconductor’s 100% owned domestic subsidiaries, except those domestic subsidiaries acquired through the acquisitions of AMIS, Catalyst, PulseCore, CMD, SDT, SANYO Semiconductor, Truesense and Aptina (collectively, the “Guarantor Subsidiaries”), fully and unconditionally guarantee, subject to customary releases, on a joint and several basis ON Semiconductor’s obligations under the 2.625% Notes, Series B. The Guarantor Subsidiaries include SCI LLC, Semiconductor Components Industries of Rhode Island, Inc., as well as other holding companies whose net assets consist primarily of investments in the joint venture in Leshan, China and equity interests in the Company’s other foreign subsidiaries. ON Semiconductor’s other remaining subsidiaries (collectively, the “Non-Guarantor Subsidiaries”) are not guarantors of the 2.625% Notes, Series B. The repayment of the unsecured 2.625% Notes, Series B is subordinated to the senior indebtedness of ON Semiconductor and the Guarantor Subsidiaries on the terms described in the indenture for the 2.625% Notes, Series B.

Condensed consolidating financial information for the issuer of the 2.625% Notes, Series B, the Guarantor Subsidiaries and the Non-Guarantor Subsidiaries is as follows (in millions):

CONDENSED CONSOLIDATING BALANCE SHEET AS OF SEPTEMBER 26, 2014 (in millions)

	Issuer		Guarantor
	ON Semiconductor Corporation		SCI LLC		Other Subsidiaries		Non-Guarantor Subsidiaries		Eliminations			Total

Cash and cash equivalents	$	—	$	185.1	$	—	$	307.0	$	—		$	492.1
Short-term investments	—		2.8		—		—		—			2.8
Receivables, net	—		61.3		—		427.4		—			488.7
Inventories	—		49.3		—		667.8		7.2			724.3
Short-term intercompany receivables	—		—		4.5		6.2		(10.7		)	—
Other current assets	—		24.0		—		81.3					105.3
Total current assets	—		322.5		4.5		1,489.7		(3.5		)	1,813.2
Property, plant and equipment, net	—		258.6		3.1		951.7		(1.5		)	1,211.9
Goodwill	—		111.6		37.3		126.4		—			275.3
Intangible assets, net	—		101.7		—		397.4		(18.7		)	480.4
Long-term intercompany receivables	—		292.6		—		—		(292.6		)	—
Other assets	1,986.9		1,948.9		133.7		876.3		(4,844.4		)	101.4
Total assets	$	1,986.9	$	3,035.9	$	178.6	$	3,841.5	$	(5,160.7	)	$	3,882.2
Accounts payable	$	—	$	36.6	$	—	$	362.1	$	—		$	398.7
Accrued expenses	4.0		51.9		0.3		187.8		—			244.0
Deferred income on sales to distributors	—		40.9		—		126.1		—			167.0
Current portion of long-term debt	—		63.8		—		139.5		—			203.3
Short-term intercompany payables	—		10.7		—		—		(10.7		)	—
Total current liabilities	4.0		203.9		0.3		815.5		(10.7		)	1,013.0
Long-term debt	340.3		616.7		—		23.3		—			980.3
Other long-term liabilities	—		19.1		0.1		195.4		—			214.6
Long-term intercompany payables	—		—		—		292.6		(292.6		)	—
Total liabilities	344.3		839.7		0.4		1,326.8		(303.3		)	2,207.9
Stockholders’ equity	1,642.6		2,196.2		178.2		2,514.7		(4,889.1		)	1,642.6
Non-controlling interest in consolidated subsidiary	—		—		—		—		31.7			31.7
Total equity	1,642.6		2,196.2		178.2		2,514.7		(4,857.4		)	1,674.3
Total liabilities and equity	$	1,986.9	$	3,035.9	$	178.6	$	3,841.5	$	(5,160.7	)	$	3,882.2

CONDENSED CONSOLIDATING BALANCE SHEET AS OF DECEMBER 31, 2013 (in millions)

	Issuer		Guarantor
	ON Semiconductor Corporation		SCI LLC		Other Subsidiaries		Non-Guarantor Subsidiaries		Eliminations			Total

Cash and cash equivalents	$	—	$	267.9	$	—	$	241.6	$	—		$	509.5
Short-term investments	—		116.2		—		—		—			116.2
Receivables, net	—		49.8		—		333.6		—			383.4
Inventories	—		46.7		—		562.1		3.0			611.8
Short-term intercompany receivables	—		—		4.1		7.6		(11.7		)	—
Other current assets	—		17.8		—		71.5		—			89.3
Total current assets	—		498.4		4.1		1,216.4		(8.7		)	1,710.2
Property, plant and equipment, net	—		252.3		3.1		820.6		(1.8		)	1,074.2
Goodwill	—		111.5		37.3		35.8		—			184.6
Intangible assets, net	—		113.0		—		132.2		(21.8		)	223.4
Long-term intercompany receivables	—		—		—		3.3		(3.3		)	—
Other assets	1,790.2		1,600.6		136.1		837.3		(4,299.6		)	64.6
Total assets	$	1,790.2	$	2,575.8	$	180.6	$	3,045.6	$	(4,335.2	)	$	3,257.0
Accounts payable	$	—	$	39.1	0.5		237.2		—			$	276.8
Accrued expenses	1.0		50.8		0.2		168.3		—			220.3
Deferred income on sales to distributors	—		32.3		—		108.2		—			140.5
Current portion of long-term debt	—		79.3		—		102.3		—			181.6
Short-term intercompany payables	—		11.7		—		—		(11.7		)	—
Total current liabilities	1.0		213.2		0.7		616.0		(11.7		)	819.2
Long-term debt	335.2		396.1		—		29.3		—			760.6
Other long-term liabilities	—		42.2		0.1		148.1		—			190.4
Long-term intercompany payables	—		3.3		—		—		(3.3		)	—
Total liabilities	336.2		654.8		0.8		793.4		(15.0		)	1,770.2
Stockholders’ equity	1,454.0		1,921.0		179.8		2,252.2		(4,353.0		)	1,454.0
Non-controlling interest in consolidated subsidiary	—		—		—		—		32.8			32.8
Total equity	1,454.0		1,921.0		179.8		2,252.2		(4,320.2		)	1,486.8
Total liabilities and equity	$	1,790.2	$	2,575.8	$	180.6	$	3,045.6	$	(4,335.2	)	$	3,257.0

CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME FOR THE QUARTER ENDED SEPTEMBER 26, 2014 (in millions)

	Issuer			Guarantor Subsidiaries
	ON Semiconductor Corporation			SCI LLC			Other Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total

Revenues	$	—		$	200.2		$	3.7		$	1,130.5		$	(500.9	)	$	833.5
Cost of revenues	—			150.7			0.2			903.3			(504.8		)	549.4
Gross profit	—			49.5			3.5			227.2			3.9			284.1
Operating expenses:
Research and development	—			24.9			2.9			65.6			—			93.4
Selling and marketing	—			20.7			0.2			30.2			—			51.1
General and administrative	—			17.2			0.4			30.9			—			48.5
Amortization of acquisition related intangible assets	—			3.7			—			20.7			(1.0		)	23.4
Restructuring, asset impairments and other, net	—			0.2			—			9.9			—			10.1
Total operating expenses	—			66.7			3.5			157.3			(1.0		)	226.5
Operating income (loss)	—			(17.2		)	—			69.9			4.9			57.6
Other income (expense), net:
Interest expense	(4.2		)	(2.3		)	—			(2.1		)	—			(8.6		)
Interest income	—			0.1			—			0.1			—			0.2
Other	—			2.4			—			(3.3		)	—			(0.9		)
Equity in earnings	45.8			56.7			0.8			—			(103.3		)	—
Other income (expense), net	41.6			56.9			0.8			(5.3		)	(103.3		)	(9.3		)
Income before income taxes	41.6			39.7			0.8			64.6			(98.4		)	48.3
Income tax benefit (provision)	—			3.9			(0.3		)	(9.9		)	—			(6.3		)
Net income	41.6			43.6			0.5			54.7			(98.4		)	42.0
Net income attributable to non-controlling interest	—			—			—			—			(0.4		)	(0.4		)
Net income attributable to ON Semiconductor Corporation	$	41.6		$	43.6		$	0.5		$	54.7		$	(98.8	)	$	41.6
Comprehensive income attributable to ON Semiconductor Corporation	$	42.3		$	42.6		$	0.5		$	56.6		$	(99.7	)	$	42.3

CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME FOR THE QUARTER ENDED SEPTEMBER 27, 2013 (in millions)

	Issuer			Guarantor Subsidiaries
	ON Semiconductor Corporation			SCI LLC			Other Subsidiaries		Non-Guarantor Subsidiaries			Eliminations			Total

Revenues	$	—		$	157.2		$	3.7	$	1,078.9		$	(524.4	)	$	715.4
Cost of revenues	—			138.6			0.1		856.8			(529.3		)	466.2
Gross profit	—			18.6			3.6		222.1			4.9			249.2
Operating expenses:
Research and development	—			12.3			2.9		68.8			—			84.0
Selling and marketing	—			18.1			0.2		25.9			—			44.2
General and administrative	—			7.4			0.2		26.9			—			34.5
Amortization of acquisition related intangible assets	—			3.8			—		5.5			(1.1		)	8.2
Restructuring, asset impairments and other, net	—			—			—		11.0			—			11.0
Total operating expenses	—			41.6			3.3		138.1			(1.1		)	181.9
Operating income (loss)	—			(23.0		)	0.3		84.0			6.0			67.3
Other income (expense), net:
Interest expense	(5.6		)	(2.4		)	—		(1.2		)	—			(9.2		)
Interest income	—			0.1			—		0.2			—			0.3
Other	—			(1.9		)	—		0.5			—			(1.4		)
Equity in earnings	57.4			79.4			2.3		—			(139.1		)	—
Other income (expense), net	51.8			75.2			2.3		(0.5		)	(139.1		)	(10.3		)
Income before income taxes	51.8			52.2			2.6		83.5			(133.1		)	57.0
Income tax (provision) benefit	—			8.8			—		(13.0		)	—			(4.2		)
Net income	51.8			61.0			2.6		70.5			(133.1		)	52.8
Net income attributable to non-controlling interest	—			—			—		—			(1.0		)	(1.0		)
Net income attributable to ON Semiconductor Corporation	$	51.8		$	61.0		$	2.6	$	70.5		$	(134.1	)	$	51.8
Comprehensive income attributable to ON Semiconductor Corporation	$	54.3		$	63.5		$	2.6	$	71.7		$	(137.8	)	$	54.3

CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME FOR THE NINE MONTHS ENDED SEPTEMBER 26, 2014 (in millions)

	Issuer			Guarantor Subsidiaries
	ON Semiconductor Corporation			SCI LLC			Other Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total

Revenues	$	—		$	547.4		$	11.6		$	3,154.7		$	(1,416.1	)	$	2,297.6
Cost of revenues	—			433.0			0.7			2,476.3			(1,420.3		)	1,489.7
Gross profit	—			114.4			10.9			678.4			4.2			807.9
Operating expenses:
Research and development	—			50.3			8.8			196.6			—			255.7
Selling and marketing	—			60.9			0.6			81.9			—			143.4
General and administrative	—			47.7			1.0			85.5			—			134.2
Amortization of acquisition related intangible assets	—			11.2			—			33.8			(3.0		)	42.0
Restructuring, asset impairments and other, net	—			1.5			—			18.5			—			20.0
Total operating expenses	—			171.6			10.4			416.3			(3.0		)	595.3
Operating income (loss)	—			(57.2		)	0.5			262.1			7.2			212.6
Other income (expense), net:
Interest expense	(12.4		)	(8.9		)	—			(3.3		)	—			(24.6		)
Interest income	—			0.2			—			0.4			—			0.6
Other	—			3.3			—			(6.0		)	—			(2.7		)
Equity in earnings	200.4			252.4			3.7			—			(456.5		)	—
Other income (expense), net	188.0			247.0			3.7			(8.9		)	(456.5		)	(26.7		)
Income before income taxes	188.0			189.8			4.2			253.2			(449.3		)	185.9
Income tax benefit (provision)	—			28.5			(0.6		)	(24.2		)	—			3.7
Net income	188.0			218.3			3.6			229.0			(449.3		)	189.6
Net income attributable to non-controlling interest	—			—			—			—			(1.6		)	(1.6		)
Net income attributable to ON Semiconductor Corporation	$	188.0		$	218.3		$	3.6		$	229.0		$	(450.9	)	$	188.0
Comprehensive income attributable to ON Semiconductor Corporation	$	190.8		$	219.8		$	3.6		$	230.3		$	(453.7	)	$	190.8

CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME FOR THE NINE MONTHS ENDED SEPTEMBER 27, 2013 (in millions)

	Issuer			Guarantor Subsidiaries
	ON Semiconductor Corporation			SCI LLC			Other Subsidiaries		Non-Guarantor Subsidiaries			Eliminations			Total

Revenues	$	—		$	485.5		$	10.1	$	3,113.0		$	(1,543.9	)	$	2,064.7
Cost of revenues	—			372.1			0.3		2,567.8			(1,561.0		)	1,379.2
Gross profit	—			113.4			9.8		545.2			17.1			685.5
Operating expenses:
Research and development	—			66.2			8.1		181.2			—			255.5
Selling and marketing	—			52.8			0.5		74.0			—			127.3
General and administrative	—			23.5			0.6		86.8			—			110.9
Amortization of acquisition related intangible assets	—			11.4			—		16.5			(3.1		)	24.8
Restructuring, asset impairments and other, net	—			1.0			—		10.1			—			11.1
Total operating expenses	—			154.9			9.2		368.6			(3.1		)	529.6
Operating income (loss)	—			(41.5		)	0.6		176.6			20.2			155.9
Other income (expense), net:
Interest expense	(17.3		)	(7.3		)	—		(4.0		)	—			(28.6		)
Interest income	—			0.3			—		0.7			—			1.0
Other	—			(7.4		)	—		11.0			—			3.6
Loss on debt exchange	(3.1		)	—			—		—			—			(3.1		)
Equity in earnings	142.5			184.1			6.4		—			(333.0		)	—
Other income (expense), net	122.1			169.7			6.4		7.7			(333.0		)	(27.1		)
Income before income taxes	122.1			128.2			7.0		184.3			(312.8		)	128.8
Income tax (provision) benefit	—			7.9			—		(11.9		)	—			(4.0		)
Net income	122.1			136.1			7.0		172.4			(312.8		)	124.8
Net income attributable to non-controlling interest	—			—			—		—			(2.7		)	(2.7		)
Net income attributable to ON Semiconductor Corporation	$	122.1		$	136.1		$	7.0	$	172.4		$	(315.5	)	$	122.1
Comprehensive income attributable to ON Semiconductor Corporation	$	114.6		$	126.5		$	7.0	$	167.5		$	(301.0	)	$	114.6

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS FOR THE NINE MONTHS ENDED SEPTEMBER 26, 2014 (in millions)

	Issuer			Guarantor Subsidiaries
	ON Semiconductor Corporation			SCI LLC			Other Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total

Net cash provided by operating activities	$	(4.7	)	$	(15.5	)	$	0.8		$	338.2		$	—		$	318.8
Cash flows from investing activities:
Purchases of property, plant and equipment	—			(44.0		)	(0.8		)	(118.2		)	—			(163.0		)
Proceeds from sales of property, plant and equipment	—			0.1			—			0.2			—			0.3
Deposits utilized for purchases of property, plant and equipment	—			—			—			2.0			—			2.0
Purchase of businesses, net of cash acquired	—			—			—			(423.1		)	—			(423.1		)
Proceeds from held-to maturity securities	—			116.2			—			—			—			116.2
Purchases of held-to-maturity securities	—			(2.8		)	—			—			—			(2.8		)
Cash placed in escrow	—			—			—			(40.0		)	—			(40.0		)
Contribution from subsidiaries	39.2			—			—			—			(39.2		)	—
Net cash provided by (used in) investing activities	39.2			69.5			(0.8		)	(579.1		)	(39.2		)	(510.4		)
Cash flows from financing activities:
Intercompany loans	—			(606.5		)	—			606.5			—			—
Intercompany loan repayments to guarantor	—			310.5			—			(310.5		)	—			—
Payments to parent	—			(39.2		)	—			—			39.2			—
Proceeds from issuance of common stock under the employee stock purchase plan	4.8			—			—			—			—			4.8
Proceeds from exercise of stock options	20.4			—			—			—			—			20.4
Payments of tax withholding for restricted shares	(6.0		)	—			—			—			—			(6.0		)
Repurchase of common stock	(53.7		)	—			—			—			—			(53.7		)
Proceeds from debt issuance	—			259.7			—			47.8			—			307.5
Payment of capital leases obligations	—			(28.3		)	—			(3.3		)	—			(31.6		)
Repayment of long-term debt	—			(33.0		)	—			(30.3		)	—			(63.3		)
Dividend to non-controlling shareholder of consolidated subsidiary	—			—			—			(2.7		)	—			(2.7		)
Net cash used in financing activities	(34.5		)	(136.8		)	—			307.5			39.2			175.4
Effect of exchange rate changes on cash and cash equivalents	—			—			—			(1.2		)	—			(1.2		)
Net increase in cash and cash equivalents	—			(82.8		)	—			65.4			—			(17.4		)
Cash and cash equivalents, beginning of period	—			267.9			—			241.6			—			509.5
Cash and cash equivalents, end of period	$	—		$	185.1		$	—		$	307.0		$	—		$	492.1

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS FOR THE NINE MONTHS ENDED SEPTEMBER 27, 2013 (in millions)

	Issuers			Guarantor Subsidiaries
	ON Semiconductor Corporation			SCI LLC			Other Subsidiaries		Non-Guarantor Subsidiaries			Eliminations			Total

Net cash (used in) provided by operating activities	$	—		$	58.7		$	—	$	147.2		$	(5.6	)	$	200.3
Cash flows from investing activities:
Purchases of property, plant and equipment	—			(26.1		)	—		(109.0		)	—			(135.1		)
Proceeds from sales of property, plant and equipment	—			0.1			—		8.5			—			8.6
Deposits utilized for purchases of property, plant and equipment	—			—			—		(1.6		)	—			(1.6		)
Proceeds from held-to maturity securities	—			155.7			—		—			—			155.7
Purchase of held-to-maturity securities	—			(195.0		)	—		—			—			(195.0		)
Contribution from subsidiaries	102.5			—			—		—			(102.5		)	—
Net cash provided by (used in) investing activities	102.5			(65.3		)	—		(102.1		)	(102.5		)	(167.4		)
Cash flows from financing activities:
Intercompany loans	—			(664.2		)	—		664.2			—			—
Intercompany loan repayments to guarantor	—			757.5			—		(757.5		)	—			—
Payments to parent	—			(108.1		)	—		—			108.1			—
Proceeds from issuance of common stock under the employee stock purchase plan	4.1			—			—		—			—			4.1
Proceeds from exercise of stock options	9.5			—			—		—			—			9.5
Payments of tax withholding for restricted shares	(2.8		)	—			—		—			—			(2.8		)
Repurchase of common stock	(35.8		)	—			—		—			—			(35.8		)
Proceeds from debt issuance	—			—			—		46.2			—			46.2
Payment of capital leases obligations	—			(28.6		)	—		(2.7		)	—			(31.3		)
Repayment of long-term debt	(77.5		)	(4.6		)	—		(48.2		)	—			(130.3		)
Net cash (used in) provided by financing activities	(102.5		)	(48.0		)	—		(98.0		)	108.1			(140.4		)
Effect of exchange rate changes on cash and cash equivalents	—			—			—		(9.9		)	—			(9.9		)
Net increase (decrease) in cash and cash equivalents	—			(54.6		)	—		(62.8		)	—			(117.4		)
Cash and cash equivalents, beginning of period	—			212.1			—		274.8			—			486.9
Cash and cash equivalents, end of period	$	—		$	157.5		$	—	$	212.0		$	—		$	369.5

See also Note 10: “Commitments and Contingencies—Financing Contingencies” for discussion certain of the Company’s guarantees.

Recent Accounting Pronouncements (Policies)	9 Months Ended
Recent Accounting Pronouncements (Policies)	Sep. 26, 2014
Accounting Policies [Abstract]
Recent Accounting Pronouncements	In May 2014, the FASB issued ASU 2014-09, which applies to any entity that either enters into contracts with customers to transfer goods or services or enters into contracts for the transfer of non-financial assets, unless those contracts are within the scope of other standards, superceding the revenue recognition requirements in Topic 605. Pursuant to ASU 2014-09, an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange, as applied through a multi-step process to achieve that core principle. The new standard is effective for reporting periods beginning after December 15, 2016 and early adoption is not permitted. The Company is currently evaluating the impact that the adoption of ASU 2014-09 may have on the Company's Consolidated Financial Statements.

Acquisitions (Tables)

9 Months Ended

Sep. 26, 2014

Business Combinations [Abstract]

Schedule of Purchase Price Allocation

The following table presents the initial allocation of the purchase price of Aptina for the assets acquired and liabilities assumed on August 15, 2014 based on their fair values (in millions):



	Initial Estimate
Cash and cash equivalents	$	30.3
Receivables	53.2
Inventories	85.3
Other current assets	5.7
Property, plant and equipment	35.9
Goodwill	63.8
Intangible assets	183.1
In-process research and development	75.4
Other non-current assets	2.3
Total assets acquired	535.0
Accounts payable	66.8
Other current liabilities	51.2
Other non-current liabilities	14.5
Total liabilities assumed	132.5
Net assets acquired	$	402.5



	Initial Estimate		Adjustments			Adjusted Allocation
Cash and cash equivalents	$	4.2	$	—		$	4.2
Receivables	8.8		—			8.8
Inventories	18.8		(0.5		)	18.3
Other current assets	2.6		1.1			3.7
Property, plant and equipment	25.6		0.8			26.4
Goodwill	27.0		(0.1		)	26.9
Intangible assets	33.1		(0.5		)	32.6
In-process research and development	7.5		0.6			8.1
Total assets acquired	127.6		1.4			129.0
Accounts payable	3.8		—			3.8
Other current liabilities	5.6		0.3			5.9
Other non-current liabilities	23.1		0.5			23.6
Total liabilities assumed	32.5		0.8			33.3
Net assets acquired	$	95.1	$	0.6		$	95.7

Schedule of Pro Forma Information



	Quarter Ended				Nine Months Ended
	September 26, 2014		September 27, 2013		September 26, 2014		September 27, 2013
Revenues	$	906.1	$	877	$	2,672.2	$	2,480.0
Gross profit	$	311.7	$	280.4	$	925.0	$	781.5
Net income attributable to ON Semiconductor Corporation	$	35.3	$	21.1	$	146.5	$	55.6
Net income per common share attributable to ON Semiconductor Corporation:
Basic	$	0.08	$	0.05	$	0.33	$	0.12
Diluted	$	0.08	$	0.05	$	0.33	$	0.12

Goodwill And Intangible Assets (Tables)

9 Months Ended

Sep. 26, 2014

Goodwill And Intangible Assets [Abstract]

Summary of Goodwill by Operating Segment

The following table summarizes the change in goodwill from December 31, 2013 to September 26, 2014 (in millions):



Net balance as of December 31, 2013	$184.6
Additions due to business combinations	90.7
Net balance as of September 26, 2014	$	275.3

The following table summarizes goodwill by relevant operating segment as of September 26, 2014 and December 31, 2013 (in millions):



	Balance as of September 26, 2014							Balance as of December 31, 2013
	Goodwill		Accumulated Impairment Losses			Carrying Value		Goodwill		Accumulated Impairment Losses			Carrying Value
Operating Segment:
Application Products Group	$	539.9	$	(410.2	)	$	129.7	$	539.9	$	(410.2	)	$	129.7
Standard Products Group	76.0		(28.6		)	47.4		76.0		(28.6		)	47.4
Image Sensor Group	98.2		—			98.2		7.5		—			7.5
	$	714.1	$	(438.8	)	$	275.3	$	623.4	$	(438.8	)	$	184.6

Summary of Intangible Assets, Net

Intangible assets, net, were as follows as of September 26, 2014 and December 31, 2013 (in millions):



	September 26, 2014
	Original Cost		Accumulated Amortization			Foreign Currency Translation Adjustment			Accumulated Impairment			Carrying Value		Useful Life (in Years)
Intellectual property	$	13.9	$	(9.9	)	$	—		$	(0.4	)	$	3.6	5-12
Customer relationships	432.0		(127.5		)	(27.6		)	(23.0		)	253.9		5-18
Patents	43.7		(20.7		)	—			(13.7		)	9.3		12
Developed technology	207.9		(82.8		)	—			(2.4		)	122.7		5-13
Trademarks	16.3		(7.8		)	—			(1.1		)	7.4		15
In-process research and development	83.5		—			—			—			83.5
Total intangibles	$	797.3	$	(248.7	)	$	(27.6	)	$	(40.6	)	$	480.4



	December 31, 2013
	Original Cost		Accumulated Amortization			Foreign Currency Translation Adjustment			Accumulated Impairment Losses			Carrying Value		Useful Life (in Years)
Intellectual property	$	13.9	$	(9.4	)	$	—		$	(0.4	)	$	4.1	5-12
Customer relationships	280.3		(105.5		)	(27.4		)	(23.0		)	124.4		5-18
Patents	43.7		(19.0		)	—			(13.7		)	11.0		12
Developed technology	146.2		(66.7		)	—			(2.4		)	77.1		5-12
Trademarks	14.0		(6.1		)	—			(1.1		)	6.8		15
Total intangibles	$	498.1	$	(206.7	)	$	(27.4	)	$	(40.6	)	$	223.4

Summary of Amortization Expense

Amortization expense for intangible assets, with the exception of the $83.5 million of IPRD assets that will be amortized once the corresponding projects have been completed, is expected to be as follows over the next five years and thereafter (in millions):



Period	Estimated Amortization Expense
Remainder of 2014	$	31.7
2015	115.5
2016	77.4
2017	49.5
2018	35.4
Thereafter	87.4
Total estimated amortization expense	$	396.9

Restructuring, Asset Impairments And Other, Net (Tables)

9 Months Ended

Sep. 26, 2014

Restructuring Charges [Abstract]

Reconciliation Of "Restructuring, Asset Impairments And Other, Net" Caption On The Consolidated Statement Of Operations



	Restructuring		Impairment		Other			Total
Quarter ended September 26, 2014
System Solutions Group Voluntary Retirement Program	$	2.9	$	—	$	—		$	2.9
Business combination severance	4.8		—		—			4.8
KSS facility closure	2.5		—		(0.6		)	1.9
Other	0.5		—		—			0.5
Total	$	10.7	$	—	$	(0.6	)	$	10.1

	Restructuring		Impairment		Other			Total
Nine months ended September 26, 2014
System Solutions Group Voluntary Retirement Program	$	10.2	$	—	$	(4.5	)	$	5.7
Business combination severance	4.8		—		—			4.8
KSS facility closure	9.2		—		(2.0		)	7.2
Other	1.0		1.3		—			2.3
Total	$	25.2	$	1.3	$	(6.5	)	$	20.0

Rollforward Of Accrued Restructuring Charges

The following is a rollforward of the accrued restructuring charges from December 31, 2013 to September 26, 2014 (in millions):



	Balance as of December 31, 2013		Charges		Usage			Balance as of September 26, 2014

Estimated employee separation charges	$	25.2	$	22.5	$	(40.1	)	$	7.6
Estimated costs to exit	1.0		2.7		(2.8		)	0.9
Total	$	26.2	$	25.2	$	(42.9	)	$	8.5

Balance Sheet Information (Tables)

9 Months Ended

Sep. 26, 2014

Balance Sheet Related Disclosures [Abstract]

Supplemental Balance Sheet Information

Certain significant amounts included in the Company's balance sheet as of September 26, 2014 and December 31, 2013 consist of the following (dollars in millions):



	September 26, 2014			December 31, 2013
Receivables, net:
Accounts receivable	$	490.5		$	384.4
Less: Allowance for doubtful accounts	(1.8		)	(1.0		)
	$	488.7		$	383.4
Inventories:
Raw materials	$	116.7		$	89.2
Work in process	371.9			319.6
Finished goods	235.7			203.0
	$	724.3		$	611.8
Other current assets:
Prepaid expenses	$	31.7		$	24.8
Value added and other income tax receivables	43.9			31.7
Other	29.7			32.8
	$	105.3		$	89.3
Property, plant and equipment, net (1):
Land	$	52.0		$	52.3
Buildings	494.2			467.7
Machinery and equipment	2,138.7			1,918.4
Total property, plant and equipment	2,684.9			2,438.4
Less: Accumulated depreciation	(1,473.0		)	(1,364.2		)
	$	1,211.9		$	1,074.2
Accrued expenses:
Accrued payroll	$	109.2		$	91.3
Sales related reserves	65.4			54.2
Restructuring reserves	8.5			26.2
Accrued pension liability	5.7			10.4
Accrued interest	5.2			1.9
Other	50.0			36.3
	$	244.0		$	220.3

(1) Included in property, plant, and equipment are approximately $12.5 million of fixed assets which are held-for-sale as of September 26, 2014.

Schedule of Product Warranty Liability

The activity related to the Company's warranty reserves for the nine months ended September 26, 2014 and September 27, 2013, respectively, is as follows (in millions):



	Nine Months Ended
	September 26, 2014			September 27, 2013
Beginning Balance	$	6.0		$	10.2
Provision	2.0			3.9
Usage	(2.3		)	(8.0		)
Ending Balance	$	5.7		$	6.1

Schedule of Net Benefit Costs

The components of the Company's net periodic pension expense for the quarters and nine months ended September 26, 2014 and September 27, 2013 are as follows (in millions):



	Quarter Ended						Nine Months Ended
	September 26, 2014			September 27, 2013			September 26, 2014			September 27, 2013
Service cost	$	2.2		$	2.9		$	7.1		$	9.5
Interest cost	1.3			1.6			4.3			5.2
Expected return on plan assets	(0.9		)	(1.1		)	(2.7		)	(3.3		)
Curtailment gain	(0.6		)	(0.2		)	(6.5		)	(12.1		)
Actuarial loss	—			—			—			13.6
Total net periodic pension cost	$	2.0		$	3.2		$	2.2		$	12.9

Long-Term Debt (Tables)

9 Months Ended

Sep. 26, 2014

Long-term Debt, Unclassified [Abstract]

Long-Term Debt

The Company's long-term debt consists of the following (dollars in millions):



	September 26, 2014			December 31, 2013
Senior Revolving Credit Facility due 2018, interest payable monthly at 1.69% and 2.00%, respectively	$	350.0		$	120.0
Loan with Japanese bank due 2014 through 2018, interest payable quarterly at 1.99% and 2.00%, respectively (1)	245.4			273.7
2.625% Notes, Series B (net of discount of $16.6 million and $21.7 million, respectively) (2)	340.3			335.2
Loan with Hong Kong bank, interest payable weekly at 1.90% and 1.91%, respectively	22.0			40.0
Loans with Philippine bank due 2014 through 2015, interest payable monthly and quarterly at an average rate of 2.16% and 2.16%, respectively	35.4			39.2
Loan with Chinese bank due 2014, interest payable quarterly at 3.34%	—			7.0
Loan with Singapore bank, interest payable weekly at 1.40% and 1.94%, respectively	33.0			15.0
Loan with British finance company, interest payable monthly at 0.00% and 1.57%, respectively	—			0.2
U.S. real estate mortgages payable monthly through 2019 at an average rate of 3.35% and 4.86%, respectively	55.9			28.1
U.S. equipment financing payable monthly through 2016 at 2.94%	6.8			9.5
Canada equipment financing payable monthly through 2017 at 3.81%	4.6			5.9
Canada revolving line of credit, interest payable quarterly at 1.83% and 1.84%, respectively	15.0			15.0
Malaysia revolving line of credit, interest payable quarterly at 1.69%	25.0			—
Vietnam revolving line of credit, interest payable annually at 2.03%	4.8			—
Capital lease obligations	45.4			53.4
Long-term debt, including current maturities	1,183.6			942.2
Less: Current maturities	(203.3		)	(181.6		)
Long-term debt	$	980.3		$	760.6

_______________________


(1)	This loan represents SCI LLC's unsecured loan with SMBC, which is guaranteed by the Company.


(2)	Interest is payable on June 15 and December 15 of each year at 2.625% annually. The 2.625% Notes, Series B may be put back to the Company at the option of the holders of the notes on December 15 of 2016 and 2021 or called at the option of the Company on or after December 20, 2016.

Annual Maturities Relating To Long-Term Debt

Expected maturities relating to the Company’s long-term debt as of September 26, 2014 are as follows (in millions):



Period	Expected Maturities
Remainder of 2014	$	85.1
2015	141.7
2016	419.2
2017	45.7
2018	478.2
Thereafter	30.3
Total	$	1,200.2

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e),(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

Schedule of Share Repurchase Program

Earnings per Share and Equity (Tables)

9 Months Ended

Sep. 26, 2014

Earnings Per Share [Abstract]

Earnings Per Share

Calculations of net income per common share attributable to ON Semiconductor are as follows (in millions, except per share data):



	Quarter Ended				Nine Months Ended
	September 26, 2014		September 27, 2013		September 26, 2014		September 27, 2013
Net income attributable to ON Semiconductor Corporation	$	41.6	$	51.8	$	188.0	$	122.1
Basic weighted average common shares outstanding	440.7		449.3		440.7		449.8
Add: Incremental shares for:
Dilutive effect of share-based awards	4.2		2.8		3.9		2.8
Diluted weighted average common shares outstanding	444.9		452.1		444.6		452.6

Net income per common share attributable to ON Semiconductor Corporation:
Basic	$	0.09	$	0.12	$	0.43	$	0.27
Diluted	$	0.09	$	0.11	$	0.42	$	0.27

Information relating to the Company's share repurchase program is as follows (in millions, except per share data):



	Quarter Ended						Nine Months Ended
	September 26, 2014			September 27, 2013			September 26, 2014			September 27, 2013

Number of repurchased shares (1)	2.6			4.1			5.9			5.6

Beginning accrued share repurchases (2)	—			2.7			0.6			—
Aggregate purchase price	$	24.2		$	30.2		$	54.4		$	42.3
Less: ending accrued share repurchases (3)	$	(1.3	)	$	(6.5	)	$	(1.3	)	$	(6.5	)
Total cash used for share repurchases	$	22.9		$	26.4		$	53.7		$	35.8

Weighted-average purchase price per share (4)	$	9.23		$	7.41		$	9.25		$	7.54
Available for future purchases at period end	$	89.0		$	202.4		$	89.0		$	202.4

(1) None of these shares had been reissued or retired as of September 26, 2014, but may be reissued or retired by

the Company at a later date.

(2) Represents unpaid amounts recorded in accrued expenses on the Company's Consolidated Balance

Sheet as of the beginning of the period.

(3) Represents unpaid amounts recorded in accrued expenses on the Company's Consolidated Balance

Sheet as of the end of the period.

(4) Exclusive of fees, commissions and other expenses.

Share-Based Compensation (Tables)

9 Months Ended

Sep. 26, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary Of Share-Based Compensation Expense



	Quarter Ended				Nine Months Ended
	September 26, 2014		September 27, 2013		September 26, 2014		September 27, 2013
Cost of revenues	$	1.7	$	1.3	$	4.8	$	3.8
Research and development	2.2		1.5		6.2		4.6
Selling and marketing	2.1		1.4		5.8		4.1
General and administrative	5.1		2.8		16.2		10.9
Share-based compensation expense before income taxes	$	11.1	$	7.0	$	33.0	$	23.4
Related income tax benefits ⁽¹⁾	—		—		—		—
Share-based compensation expense, net of taxes	$	11.1	$	7.0	$	33.0	$	23.4

____________________


⁽¹⁾	A majority of the Company’s share-based compensation relates to its domestic subsidiaries; therefore, no related deferred income tax benefits are recorded due to historical net operating losses at those subsidiaries.

Schedule of Share-based Compensation, Stock Options, Activity

A summary of stock option transactions follows (in millions except per share and term data):



	Nine Months Ended September 26, 2014
	Number of Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (In-The-Money)
Outstanding at December 31, 2013	14.0		$	7.89
Granted	—		—
Exercised	(3.1	)	6.68
Canceled	(1.1	)	10.88
Outstanding at September 26, 2014	9.8		$	7.92	3.20	$	16.2

Exercisable at September 26, 2014	8.1		$	8.01	2.91	$	13.0

Additional Information On Stock Options Outstanding



	Exercisable			Unexercisable			Total
Exercise Prices	Number of Shares	Weighted Average Exercise Price		Number of Shares	Weighted Average Exercise Price		Number of Shares	Weighted Average Exercise Price
Less than $9.32	6.8	$	7.41	1.6	$	7.37	8.4	$	7.40
Above $9.32	1.3	$	11.09	0.1	$	11.04	1.4	$	11.08
Total outstanding	8.1	$	8.01	1.7	$	7.58	9.8	$	7.92

Summary Of Restricted Stock Units Transactions



	Nine Months Ended September 26, 2014
	Number of Shares		Weighted Average Grant Date Fair Value
Non-vested shares underlying restricted stock units at December 31, 2013	10.8		$	8.52
Granted	4.3		9.39
Released	(2.2	)	8.28
Forfeited	(3.2	)	10.10
Non-vested shares underlying restricted stock units at September 26, 2014	9.7		$	8.44

Commitments And Contingencies (Tables)

9 Months Ended

Sep. 26, 2014

Commitments and Contingencies Disclosure [Abstract]

Operating Leases Future Minimum Payments Receivable

The following is a schedule by year of future minimum lease obligations under non-cancelable operating leases as of September 26, 2014 (in millions):



Remainder of 2014	$	5.6
2015	20.5
2016	17.5
2017	13.7
2018	9.5
Thereafter	38.5
Total	$	105.3

Fair Value Of Financial Instruments (Tables)

9 Months Ended

Sep. 26, 2014

Fair Value, Assets, Liabilities and Stockholders' Equity Measured on Recurring Basis [Abstract]

Fair Value Of Assets And Liabilities Measured On Recurring Basis

The following table summarizes the Company's financial assets and liabilities measured at fair value on a recurring basis as of September 26, 2014 and December 31, 2013 (in millions):



	Balance as of September 26, 2014		Quoted Prices in Active Markets (Level 1)		Balance as of December 31, 2013		Quoted Prices in Active Markets (Level 1)
Description
Assets:
Cash and cash equivalents:
Demand and time deposits	$	436.6	$	436.6	$	447.5	$	447.5
Money market funds	55.5		55.5		62.0		62.0
Liabilities:
Foreign currency exchange contracts	$	0.2	$	0.2	$	0.1	$	0.1

Held-to-maturity Securities

Short-term investments classified as held-to-maturity as of September 26, 2014 and December 31, 2013 were as follows (in millions):



	Balance at September 26, 2014				Balance at December 31, 2013
	Carried at Amortized Cost		Fair Value		Carried at Amortized Cost		Fair Value
Short-term investments held-to-maturity
Commercial paper	$	—	$	—	$	15.5	$	15.5
Corporate bonds	2.8		2.8		93.7		93.7
Government agencies	—		—		7.0		7.0
	$	2.8	$	2.8	$	116.2	$	116.2

Fair Value, by Balance Sheet Grouping



	September 26, 2014				December 31, 2013
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Long-term debt, including current portion
2.625% Notes, Series B	$	340.3	$	409.6	$	335.2	$	392.6
Long-term debt	$	730.6	$	732.5	$	510.2	$	511.4

Tabular disclosure of all investments in certain debt and equity securities for which the entity has the positive intent and ability to hold until maturity.

Investments, All Other Investments [Abstract]

Financial Instruments (Tables)

9 Months Ended

Sep. 26, 2014

Schedule Of Net Foreign Exchange Positions

The following schedule shows the Company’s net foreign exchange positions in U.S. dollars as of September 26, 2014 and December 31, 2013 (in millions):



	September 26, 2014					December 31, 2013
	Buy (Sell)			Notional Amount		Buy (Sell)			Notional Amount
Euro	$	(33.6	)	$	33.6	$	(30.5	)	$	30.5
Japanese Yen	(30.2		)	30.2		(6.7		)	6.7
Malaysian Ringgit	42.5			42.5		35.8			35.8
Philippine Peso	19.8			19.8		11.7			11.7
Other Currencies	9.9			15.6		10.6			17.0
	$	8.4		$	141.7	$	20.9		$	101.7

Changes in Accumulated Other Comprehensive Loss (Tables)

9 Months Ended

Sep. 26, 2014

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Loss

Amounts comprising the Company's accumulated other comprehensive loss and reclassifications for the nine months ended September 26, 2014 are as follows (net of tax of $0, in millions):




	Foreign Currency Translation Adjustments			Effects of Cash Flow Hedges			Unrealized Gains and Losses on Available-for-Sale Securities		Total
Balance as of December 31, 2013	$	(46.0	)	$	(1.8	)	$	0.4	$	(47.4	)
Other comprehensive income (loss) prior to reclassifications	1.3			2.5			—		3.8
Amounts reclassified from accumulated other comprehensive loss	—			(1.0		)	—		(1.0		)
Net current period other comprehensive gain	1.3			1.5			—		2.8
Balance as of September 26, 2014	$	(44.7	)	$	(0.3	)	$	0.4	$	(44.6	)



	Amounts Reclassified from Accumulated Other Comprehensive Loss
	Quarter Ended September 26, 2014		Nine Months Ended September 26, 2014			Affected Line Item Where Net Income is Presented
Effects of cash flow hedges	$	0.4	$	(1.0	)	Cost of revenues



	Amounts Reclassified from Accumulated Other Comprehensive Loss
	Quarter Ended September 27, 2013			Nine Months Ended September 27, 2013			Affected Line Item Where Net Income is Presented
Foreign currency translation adjustments	$	—		$	(21.0	)	Restructuring, asset impairments and other, net
Effects of cash flow hedges	(1.7		)	(1.4		)	Other income and expense
Total reclassifications	$	(1.7	)	$	(22.4	)

Supplemental Disclosure of Cash Flow Information (Tables)

9 Months Ended

Sep. 26, 2014

Supplemental Cash Flow Elements [Abstract]

Schedule of Cash Flow, Supplemental Disclosures

he Company's non-cash activities along with cash payments for interest and income taxes are as follows (in millions):



	For the Nine Months Ended
	September 26, 2014			September 27, 2013
Non-cash activities:
Capital expenditures in accounts payable	$	97.4		$	42.1
Equipment acquired or refinanced through capital leases	$	6.1		$	2.4
Cash (received) paid for:
Interest income	$	(0.6	)	$	(1.0	)
Interest expense	$	15.2		$	14.2
Income taxes	$	15.5		$	9.9

Segment Information (Tables)

9 Months Ended

Sep. 26, 2014

Segment Reporting, Measurement Disclosures [Abstract]

Segment Information Of Revenues, Gross Profit And Operating Income



	Application Products Group		Image Sensor Group			Standard Products Group		System Solutions Group			Total
For the quarter ended September 26, 2014:
Revenues from external customers	$	265.8	$	103.6		$	317.3	$	146.8		$	833.5
Segment gross profit	$	119.1	$	23.8		$	115.8	$	31.9		$	290.6
Segment operating income (loss)	$	30.5	$	(17.8	)	$	65.0	$	3.4		$	81.1
For the quarter ended September 27, 2013:
Revenues from external customers	$	260.5	$	8.5		$	289.6	$	156.8		$	715.4
Segment gross profit	$	114.4	$	4.6		$	95.6	$	34.3		$	248.9
Segment operating income (loss)	$	31.9	$	(1.5	)	$	54.9	$	(3.0	)	$	82.3



	Application Products Group		Image Sensor Group			Standard Products Group		System Solutions Group			Total
For the nine months ended September 26, 2014:
Revenues from external customers	$	810.2	$	139.9		$	913.9	$	433.6		$	2,297.6
Segment gross profit	$	362.2	$	43.7		$	332.2	$	87.9		$	826.0
Segment operating income (loss)	$	102.1	$	(15.1	)	$	185.9	$	(5.4	)	$	267.5
For the nine months ended September 27, 2013:
Revenues from external customers	$	737.2	$	28.3		$	831.2	$	468.0		$	2,064.7
Segment gross profit	$	318.4	$	17.9		$	296.1	$	63.4		$	695.8
Segment operating income (loss)	$	80.2	$	(0.1	)	$	177.8	$	(71.7	)	$	186.2

Reconciliation of Operating Profit (Loss) from Segments to Consolidated



	Quarter Ended
	September 26, 2014			September 27, 2013
Gross profit for reportable segments	$	290.6		$	248.9
Unallocated amounts:
Other unallocated manufacturing costs	(6.5		)	0.3
Gross profit	$	284.1		$	249.2
Operating income for reportable segments	$	81.1		82.3
Unallocated amounts:
Restructuring and other charges	(10.1		)	(11.0		)
Other unallocated manufacturing costs	(6.5		)	0.3
Other unallocated operating expenses	(6.9		)	(4.3		)
Operating income	$	57.6		$	67.3



	Nine Months Ended
	September 26, 2014			September 27, 2013
Gross profit for reportable segments	$	826.0		$	695.8
Unallocated amounts:
Other unallocated manufacturing costs	(18.1		)	(10.3		)
Gross profit	$	807.9		$	685.5
Operating income for reportable segments	267.5			186.2
Unallocated amounts:
Restructuring and other charges	(20.0		)	(11.1		)
Other unallocated manufacturing costs	(18.1		)	(10.3		)
Other unallocated operating expenses	(16.8		)	(8.9		)
Operating income	$	212.6		$	155.9

Revenues By Geographic Location Including Local Sales And Exports

Revenues by geographic location, including local sales made by operations within each area based on sales billed from the respective country, are summarized as follows (in millions):



	Quarter Ended
	September 26, 2014		September 27, 2013
United States	$	125.5	$	109.0
Japan	77.4		70.3
Hong Kong	263.9		230.1
Singapore	210.4		178.3
United Kingdom	126.3		101.9
Other	30.0		25.8
	$	833.5	$	715.4



	Nine Months Ended
	September 26, 2014		September 27, 2013
United States	$	352.6	$	306.4
Japan	210.0		217.6
Hong Kong	692.8		628.0
Singapore	580.5		525.6
United Kingdom	367.0		302.2
Other	94.7		84.9
	$	2,297.6	$	2,064.7

Summary Of Property, Plant And Equipment By Geographic Location

Property, plant and equipment, net by geographic location, is summarized as follows (in millions):



	September 26, 2014		December 31, 2013
United States	$	303.6	$	255.3
Czech Republic	114.6		111.1
Malaysia	231.3		213.9
Philippines	191.6		173.8
Other	370.8		320.1
	$	1,211.9	$	1,074.2

Guarantor and Non-Guarantor Statements (Tables)

9 Months Ended

Sep. 26, 2014

Guarantor And Non-Guarantor Statements [Abstract]

Guarantor and Non-Guarantor Consolidated Statement Of Balance Sheet

CONDENSED CONSOLIDATING BALANCE SHEET AS OF DECEMBER 31, 2013 (in millions)

	Issuer		Guarantor
	ON Semiconductor Corporation		SCI LLC		Other Subsidiaries		Non-Guarantor Subsidiaries		Eliminations			Total

Cash and cash equivalents	$	—	$	267.9	$	—	$	241.6	$	—		$	509.5
Short-term investments	—		116.2		—		—		—			116.2
Receivables, net	—		49.8		—		333.6		—			383.4
Inventories	—		46.7		—		562.1		3.0			611.8
Short-term intercompany receivables	—		—		4.1		7.6		(11.7		)	—
Other current assets	—		17.8		—		71.5		—			89.3
Total current assets	—		498.4		4.1		1,216.4		(8.7		)	1,710.2
Property, plant and equipment, net	—		252.3		3.1		820.6		(1.8		)	1,074.2
Goodwill	—		111.5		37.3		35.8		—			184.6
Intangible assets, net	—		113.0		—		132.2		(21.8		)	223.4
Long-term intercompany receivables	—		—		—		3.3		(3.3		)	—
Other assets	1,790.2		1,600.6		136.1		837.3		(4,299.6		)	64.6
Total assets	$	1,790.2	$	2,575.8	$	180.6	$	3,045.6	$	(4,335.2	)	$	3,257.0
Accounts payable	$	—	$	39.1	0.5		237.2		—			$	276.8
Accrued expenses	1.0		50.8		0.2		168.3		—			220.3
Deferred income on sales to distributors	—		32.3		—		108.2		—			140.5
Current portion of long-term debt	—		79.3		—		102.3		—			181.6
Short-term intercompany payables	—		11.7		—		—		(11.7		)	—
Total current liabilities	1.0		213.2		0.7		616.0		(11.7		)	819.2
Long-term debt	335.2		396.1		—		29.3		—			760.6
Other long-term liabilities	—		42.2		0.1		148.1		—			190.4
Long-term intercompany payables	—		3.3		—		—		(3.3		)	—
Total liabilities	336.2		654.8		0.8		793.4		(15.0		)	1,770.2
Stockholders’ equity	1,454.0		1,921.0		179.8		2,252.2		(4,353.0		)	1,454.0
Non-controlling interest in consolidated subsidiary	—		—		—		—		32.8			32.8
Total equity	1,454.0		1,921.0		179.8		2,252.2		(4,320.2		)	1,486.8
Total liabilities and equity	$	1,790.2	$	2,575.8	$	180.6	$	3,045.6	$	(4,335.2	)	$	3,257.0

CONDENSED CONSOLIDATING BALANCE SHEET AS OF SEPTEMBER 26, 2014 (in millions)

	Issuer		Guarantor
	ON Semiconductor Corporation		SCI LLC		Other Subsidiaries		Non-Guarantor Subsidiaries		Eliminations			Total

Cash and cash equivalents	$	—	$	185.1	$	—	$	307.0	$	—		$	492.1
Short-term investments	—		2.8		—		—		—			2.8
Receivables, net	—		61.3		—		427.4		—			488.7
Inventories	—		49.3		—		667.8		7.2			724.3
Short-term intercompany receivables	—		—		4.5		6.2		(10.7		)	—
Other current assets	—		24.0		—		81.3					105.3
Total current assets	—		322.5		4.5		1,489.7		(3.5		)	1,813.2
Property, plant and equipment, net	—		258.6		3.1		951.7		(1.5		)	1,211.9
Goodwill	—		111.6		37.3		126.4		—			275.3
Intangible assets, net	—		101.7		—		397.4		(18.7		)	480.4
Long-term intercompany receivables	—		292.6		—		—		(292.6		)	—
Other assets	1,986.9		1,948.9		133.7		876.3		(4,844.4		)	101.4
Total assets	$	1,986.9	$	3,035.9	$	178.6	$	3,841.5	$	(5,160.7	)	$	3,882.2
Accounts payable	$	—	$	36.6	$	—	$	362.1	$	—		$	398.7
Accrued expenses	4.0		51.9		0.3		187.8		—			244.0
Deferred income on sales to distributors	—		40.9		—		126.1		—			167.0
Current portion of long-term debt	—		63.8		—		139.5		—			203.3
Short-term intercompany payables	—		10.7		—		—		(10.7		)	—
Total current liabilities	4.0		203.9		0.3		815.5		(10.7		)	1,013.0
Long-term debt	340.3		616.7		—		23.3		—			980.3
Other long-term liabilities	—		19.1		0.1		195.4		—			214.6
Long-term intercompany payables	—		—		—		292.6		(292.6		)	—
Total liabilities	344.3		839.7		0.4		1,326.8		(303.3		)	2,207.9
Stockholders’ equity	1,642.6		2,196.2		178.2		2,514.7		(4,889.1		)	1,642.6
Non-controlling interest in consolidated subsidiary	—		—		—		—		31.7			31.7
Total equity	1,642.6		2,196.2		178.2		2,514.7		(4,857.4		)	1,674.3
Total liabilities and equity	$	1,986.9	$	3,035.9	$	178.6	$	3,841.5	$	(5,160.7	)	$	3,882.2

Guarantor and Non-Guarantor Consolidated Statement of Operations and Comprehensive Income

CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME FOR THE NINE MONTHS ENDED SEPTEMBER 26, 2014 (in millions)

	Issuer			Guarantor Subsidiaries
	ON Semiconductor Corporation			SCI LLC			Other Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total

Revenues	$	—		$	547.4		$	11.6		$	3,154.7		$	(1,416.1	)	$	2,297.6
Cost of revenues	—			433.0			0.7			2,476.3			(1,420.3		)	1,489.7
Gross profit	—			114.4			10.9			678.4			4.2			807.9
Operating expenses:
Research and development	—			50.3			8.8			196.6			—			255.7
Selling and marketing	—			60.9			0.6			81.9			—			143.4
General and administrative	—			47.7			1.0			85.5			—			134.2
Amortization of acquisition related intangible assets	—			11.2			—			33.8			(3.0		)	42.0
Restructuring, asset impairments and other, net	—			1.5			—			18.5			—			20.0
Total operating expenses	—			171.6			10.4			416.3			(3.0		)	595.3
Operating income (loss)	—			(57.2		)	0.5			262.1			7.2			212.6
Other income (expense), net:
Interest expense	(12.4		)	(8.9		)	—			(3.3		)	—			(24.6		)
Interest income	—			0.2			—			0.4			—			0.6
Other	—			3.3			—			(6.0		)	—			(2.7		)
Equity in earnings	200.4			252.4			3.7			—			(456.5		)	—
Other income (expense), net	188.0			247.0			3.7			(8.9		)	(456.5		)	(26.7		)
Income before income taxes	188.0			189.8			4.2			253.2			(449.3		)	185.9
Income tax benefit (provision)	—			28.5			(0.6		)	(24.2		)	—			3.7
Net income	188.0			218.3			3.6			229.0			(449.3		)	189.6
Net income attributable to non-controlling interest	—			—			—			—			(1.6		)	(1.6		)
Net income attributable to ON Semiconductor Corporation	$	188.0		$	218.3		$	3.6		$	229.0		$	(450.9	)	$	188.0
Comprehensive income attributable to ON Semiconductor Corporation	$	190.8		$	219.8		$	3.6		$	230.3		$	(453.7	)	$	190.8

CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME FOR THE QUARTER ENDED SEPTEMBER 26, 2014 (in millions)

	Issuer			Guarantor Subsidiaries
	ON Semiconductor Corporation			SCI LLC			Other Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total

Revenues	$	—		$	200.2		$	3.7		$	1,130.5		$	(500.9	)	$	833.5
Cost of revenues	—			150.7			0.2			903.3			(504.8		)	549.4
Gross profit	—			49.5			3.5			227.2			3.9			284.1
Operating expenses:
Research and development	—			24.9			2.9			65.6			—			93.4
Selling and marketing	—			20.7			0.2			30.2			—			51.1
General and administrative	—			17.2			0.4			30.9			—			48.5
Amortization of acquisition related intangible assets	—			3.7			—			20.7			(1.0		)	23.4
Restructuring, asset impairments and other, net	—			0.2			—			9.9			—			10.1
Total operating expenses	—			66.7			3.5			157.3			(1.0		)	226.5
Operating income (loss)	—			(17.2		)	—			69.9			4.9			57.6
Other income (expense), net:
Interest expense	(4.2		)	(2.3		)	—			(2.1		)	—			(8.6		)
Interest income	—			0.1			—			0.1			—			0.2
Other	—			2.4			—			(3.3		)	—			(0.9		)
Equity in earnings	45.8			56.7			0.8			—			(103.3		)	—
Other income (expense), net	41.6			56.9			0.8			(5.3		)	(103.3		)	(9.3		)
Income before income taxes	41.6			39.7			0.8			64.6			(98.4		)	48.3
Income tax benefit (provision)	—			3.9			(0.3		)	(9.9		)	—			(6.3		)
Net income	41.6			43.6			0.5			54.7			(98.4		)	42.0
Net income attributable to non-controlling interest	—			—			—			—			(0.4		)	(0.4		)
Net income attributable to ON Semiconductor Corporation	$	41.6		$	43.6		$	0.5		$	54.7		$	(98.8	)	$	41.6
Comprehensive income attributable to ON Semiconductor Corporation	$	42.3		$	42.6		$	0.5		$	56.6		$	(99.7	)	$	42.3

Guarantor and Non-Guarantor Consolidated Statement Of Operations, Comprehensive Income And Cash Flow

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS FOR THE NINE MONTHS ENDED SEPTEMBER 26, 2014 (in millions)

	Issuer			Guarantor Subsidiaries
	ON Semiconductor Corporation			SCI LLC			Other Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total

Net cash provided by operating activities	$	(4.7	)	$	(15.5	)	$	0.8		$	338.2		$	—		$	318.8
Cash flows from investing activities:
Purchases of property, plant and equipment	—			(44.0		)	(0.8		)	(118.2		)	—			(163.0		)
Proceeds from sales of property, plant and equipment	—			0.1			—			0.2			—			0.3
Deposits utilized for purchases of property, plant and equipment	—			—			—			2.0			—			2.0
Purchase of businesses, net of cash acquired	—			—			—			(423.1		)	—			(423.1		)
Proceeds from held-to maturity securities	—			116.2			—			—			—			116.2
Purchases of held-to-maturity securities	—			(2.8		)	—			—			—			(2.8		)
Cash placed in escrow	—			—			—			(40.0		)	—			(40.0		)
Contribution from subsidiaries	39.2			—			—			—			(39.2		)	—
Net cash provided by (used in) investing activities	39.2			69.5			(0.8		)	(579.1		)	(39.2		)	(510.4		)
Cash flows from financing activities:
Intercompany loans	—			(606.5		)	—			606.5			—			—
Intercompany loan repayments to guarantor	—			310.5			—			(310.5		)	—			—
Payments to parent	—			(39.2		)	—			—			39.2			—
Proceeds from issuance of common stock under the employee stock purchase plan	4.8			—			—			—			—			4.8
Proceeds from exercise of stock options	20.4			—			—			—			—			20.4
Payments of tax withholding for restricted shares	(6.0		)	—			—			—			—			(6.0		)
Repurchase of common stock	(53.7		)	—			—			—			—			(53.7		)
Proceeds from debt issuance	—			259.7			—			47.8			—			307.5
Payment of capital leases obligations	—			(28.3		)	—			(3.3		)	—			(31.6		)
Repayment of long-term debt	—			(33.0		)	—			(30.3		)	—			(63.3		)
Dividend to non-controlling shareholder of consolidated subsidiary	—			—			—			(2.7		)	—			(2.7		)
Net cash used in financing activities	(34.5		)	(136.8		)	—			307.5			39.2			175.4
Effect of exchange rate changes on cash and cash equivalents	—			—			—			(1.2		)	—			(1.2		)
Net increase in cash and cash equivalents	—			(82.8		)	—			65.4			—			(17.4		)
Cash and cash equivalents, beginning of period	—			267.9			—			241.6			—			509.5
Cash and cash equivalents, end of period	$	—		$	185.1		$	—		$	307.0		$	—		$	492.1

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS FOR THE NINE MONTHS ENDED SEPTEMBER 27, 2013 (in millions)

	Issuers			Guarantor Subsidiaries
	ON Semiconductor Corporation			SCI LLC			Other Subsidiaries		Non-Guarantor Subsidiaries			Eliminations			Total

Net cash (used in) provided by operating activities	$	—		$	58.7		$	—	$	147.2		$	(5.6	)	$	200.3
Cash flows from investing activities:
Purchases of property, plant and equipment	—			(26.1		)	—		(109.0		)	—			(135.1		)
Proceeds from sales of property, plant and equipment	—			0.1			—		8.5			—			8.6
Deposits utilized for purchases of property, plant and equipment	—			—			—		(1.6		)	—			(1.6		)
Proceeds from held-to maturity securities	—			155.7			—		—			—			155.7
Purchase of held-to-maturity securities	—			(195.0		)	—		—			—			(195.0		)
Contribution from subsidiaries	102.5			—			—		—			(102.5		)	—
Net cash provided by (used in) investing activities	102.5			(65.3		)	—		(102.1		)	(102.5		)	(167.4		)
Cash flows from financing activities:
Intercompany loans	—			(664.2		)	—		664.2			—			—
Intercompany loan repayments to guarantor	—			757.5			—		(757.5		)	—			—
Payments to parent	—			(108.1		)	—		—			108.1			—
Proceeds from issuance of common stock under the employee stock purchase plan	4.1			—			—		—			—			4.1
Proceeds from exercise of stock options	9.5			—			—		—			—			9.5
Payments of tax withholding for restricted shares	(2.8		)	—			—		—			—			(2.8		)
Repurchase of common stock	(35.8		)	—			—		—			—			(35.8		)
Proceeds from debt issuance	—			—			—		46.2			—			46.2
Payment of capital leases obligations	—			(28.6		)	—		(2.7		)	—			(31.3		)
Repayment of long-term debt	(77.5		)	(4.6		)	—		(48.2		)	—			(130.3		)
Net cash (used in) provided by financing activities	(102.5		)	(48.0		)	—		(98.0		)	108.1			(140.4		)
Effect of exchange rate changes on cash and cash equivalents	—			—			—		(9.9		)	—			(9.9		)
Net increase (decrease) in cash and cash equivalents	—			(54.6		)	—		(62.8		)	—			(117.4		)
Cash and cash equivalents, beginning of period	—			212.1			—		274.8			—			486.9
Cash and cash equivalents, end of period	$	—		$	157.5		$	—	$	212.0		$	—		$	369.5

Background and Basis of Presentation (Narrative) (Details)	3 Months Ended
	Sep. 26, 2014	Sep. 27, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Fiscal Quarter, Number of Days	91 days	91 days

Acquisitions (Details) - USD ($) $ in Millions		3 Months Ended	9 Months Ended
Acquisitions (Details) - USD ($) $ in Millions	Aug. 15, 2014	Sep. 26, 2014	Sep. 26, 2014	Apr. 30, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Business Combination, Acquisition Related Costs		$ 4.0	$ 8.0
Goodwill		275.3	275.3		$ 184.6
Aptima [Member]
Business Acquisition [Line Items]
Purchase price	$ 402.5
Assets acquired, In-process research and development	75.4
Intangible assets	183.1
Goodwill	63.8
Business Combination, Consideration Withheld and Placed in Escrow	40.0
Aptima [Member] \| Customer Relationships [Member]
Business Acquisition [Line Items]
Intangible assets	$ 132.9
Weighted average useful life	5 years
Aptima [Member] \| Developed Technology [Member]
Business Acquisition [Line Items]
Intangible assets	$ 47.9
Weighted average useful life	9 years
Aptima [Member] \| Trademarks [Member]
Business Acquisition [Line Items]
Intangible assets	$ 2.3
Weighted average useful life	6 months
Truesense Imaging, Inc. [Member]
Business Acquisition [Line Items]
Assets acquired, In-process research and development		8.1	8.1	$ 7.5
Intangible assets		32.6	32.6	33.1
Goodwill		26.9	26.9	27.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net		$ 95.7	$ 95.7	95.1
Business Combination, Consideration, Liability				0.6
Truesense Imaging, Inc. [Member] \| Customer Relationships [Member]
Business Acquisition [Line Items]
Intangible assets				18.8
Weighted average useful life		5 years
Truesense Imaging, Inc. [Member] \| Developed Technology [Member]
Business Acquisition [Line Items]
Intangible assets				$ 13.8
Weighted average useful life		12 years

Acquisitions Schedule of Purchase Price Allocation (Details) - USD ($) $ in Millions	5 Months Ended
	Sep. 26, 2014	Aug. 15, 2014	Apr. 30, 2014
Business Acquisition [Line Items]
Goodwill, Ending	$ 275.3
Aptima [Member]
Business Acquisition [Line Items]
Cash and cash equivalents		$ 30.3
Receivables		53.2
Other non-current assets		2.3
Total assets acquired, Adjusted Allocation		535.0
Accounts payable		66.8
Total liabilities assumed, Adjustment Allocation		132.5
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net		$ 402.5
Truesense Imaging, Inc. [Member]
Business Acquisition [Line Items]
Cash and cash equivalents	4.2		$ 4.2
Receivables	8.8		8.8
Inventories, Adjustment	(0.5)
Inventories, Adjusted Allocation	18.3
Other current assets, Adjustments	1.1
Other current assets, Adjustment Allocation	3.7
Property, plant and equipment, Adjustments	0.8
Property, plant and equipment, Adjusted Allocation	26.4
Goodwill, Adjustments	(0.1)
Goodwill, Ending	26.9
Intangible assets, Adjustments	(0.5)
Intangible assets, Adjusted Allocation	32.6
In-process research and development, Adjustments	0.6
In-process research and development, Adjusted Allocation	8.1
Total assets acquired, Adjustments	1.4
Total assets acquired, Adjusted Allocation	129.0		127.6
Accounts payable	3.8		3.8
Other current liabilities, Adjustments	0.3
Other current liabilities, Adjusted Allocation	5.9
Other non-current liabilities, Adjustments	0.5
Other non-current liabilities, Adjusted Allocation	23.6
Total liabilities assumed, Adjustment Allocation	33.3		32.5
Total liabilities assumed, Adjustments	0.8
Net assets acquired, Adjustments	0.6
Net assets acquired, Adjusted Allocation	$ 95.7		$ 95.1

Acquisitions Schedule of Pro Forma Information (Details) - Aptima, Inc. and Truesense Imaging, Inc. [Member] - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Business Acquisition [Line Items]
Revenues	$ 906.1	$ 877.0	$ 2,672.2	$ 2,480.0
Gross profit	311.7	280.4	925.0	781.5
Net income attributable to ON Semiconductor Corporation	$ 35.3	$ 21.1	$ 146.5	$ 55.6
Net income per common share attributable to ON Semiconductor Corporation, Basic	$ 0.08	$ 0.05	$ 0.33	$ 0.12
Net income per common share attributable to ON Semiconductor Corporation, Diluted	$ 0.08	$ 0.05	$ 0.33	$ 0.12

Goodwill And Intangible Assets (Summary Of Goodwill by Operating Segment) (Details) - USD ($) $ in Millions	Sep. 26, 2014	Dec. 31, 2013
Goodwill [Line Items]
Goodwill	$ 714.1	$ 623.4
Accumulated Impairment Losses	(438.8)	(438.8)
Carrying Value	275.3	184.6
Application Products Group
Goodwill [Line Items]
Goodwill	539.9	539.9
Accumulated Impairment Losses	(410.2)	(410.2)
Carrying Value	129.7	129.7
Standard Products Group
Goodwill [Line Items]
Goodwill	76.0	76.0
Accumulated Impairment Losses	(28.6)	(28.6)
Carrying Value	47.4	47.4
Image Sensor Group
Goodwill [Line Items]
Goodwill	98.2	7.5
Accumulated Impairment Losses	0.0	0.0
Carrying Value	$ 98.2	$ 7.5

Goodwill And Intangible Assets Goodwill and Intangible Assets (Summary of Changes in Goodwill) (Details) $ in Millions	9 Months Ended
	Sep. 26, 2014 USD ($)
Goodwill [Roll Forward]
Goodwill, Beginning	$ 184.6
Goodwill, Acquired During Period	90.7
Goodwill, Ending	$ 275.3

Goodwill And Intangible Assets (Summary Of Intangible Assets, Net) (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 26, 2014	Dec. 31, 2013
Original Cost	$ 797.3	$ 498.1
Accumulated Amortization	(248.7)	(206.7)
Foreign Currency Translation Adjustment	(27.6)	(27.4)
Accumulated Impairment	(40.6)	(40.6)
Carrying Value	480.4	223.4
Intellectual Property [Member]
Original Cost	13.9	13.9
Accumulated Amortization	(9.9)	(9.4)
Foreign Currency Translation Adjustment	0.0	0.0
Accumulated Impairment	(0.4)	(0.4)
Carrying Value	$ 3.6	$ 4.1
Intellectual Property [Member] \| Minimum [Member]
Useful Life (in Years)	5 years	5 years
Intellectual Property [Member] \| Maximum [Member]
Useful Life (in Years)	12 years	12 years
Customer Relationships [Member]
Original Cost	$ 432.0	$ 280.3
Accumulated Amortization	(127.5)	(105.5)
Foreign Currency Translation Adjustment	(27.6)	(27.4)
Accumulated Impairment	(23.0)	(23.0)
Carrying Value	$ 253.9	$ 124.4
Customer Relationships [Member] \| Minimum [Member]
Useful Life (in Years)	5 years	5 years
Customer Relationships [Member] \| Maximum [Member]
Useful Life (in Years)	18 years	18 years
Patents [Member]
Original Cost	$ 43.7	$ 43.7
Accumulated Amortization	(20.7)	(19.0)
Foreign Currency Translation Adjustment	0.0	0.0
Accumulated Impairment	(13.7)	(13.7)
Carrying Value	$ 9.3	$ 11.0
Useful Life (in Years)	12 years	12 years
Developed Technology [Member]
Original Cost	$ 207.9	$ 146.2
Accumulated Amortization	(82.8)	(66.7)
Foreign Currency Translation Adjustment	0.0	0.0
Accumulated Impairment	(2.4)	(2.4)
Carrying Value	$ 122.7	$ 77.1
Developed Technology [Member] \| Minimum [Member]
Useful Life (in Years)	5 years	5 years
Developed Technology [Member] \| Maximum [Member]
Useful Life (in Years)	13 years	12 years
Trademarks [Member]
Original Cost	$ 16.3	$ 14.0
Accumulated Amortization	(7.8)	(6.1)
Foreign Currency Translation Adjustment	0.0	0.0
Accumulated Impairment	(1.1)	(1.1)
Carrying Value	$ 7.4	$ 6.8
Useful Life (in Years)	15 years	15 years
In Process Research and Development [Member]
Original Cost	$ 83.5
Accumulated Amortization	0.0
Foreign Currency Translation Adjustment	0.0
Accumulated Impairment	0.0
Carrying Value	$ 83.5

Goodwill And Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Amortization of acquisition-related intangible assets	$ 23.4	$ 8.2	$ 42.0	$ 24.8
Finite-Lived Intangible Assets, Gross	797.3		797.3		$ 498.1
In Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 83.5		$ 83.5

Goodwill And Intangible Assets (Summary Of Amortization Expense) (Details) $ in Millions	Sep. 26, 2014 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Remainder of 2014	$ 31.7
2015	115.5
2016	77.4
2017	49.5
2018	35.4
Thereafter	87.4
Total estimated amortization expense	$ 396.9

Restructuring, Asset Impairments And Other, Net (Reconciliation Of "Restructuring, Asset Impairments And Other, Net" Caption On The Consolidated Statement Of Operations) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring			$ 25.2
Asset Impairment Charges			1.8	$ 3.5
Restructuring Costs and Asset Impairment Charges	$ 10.1	$ 11.0	20.0	$ 11.1
Special Termination Benefits [Member] \| System Solutions Group [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	2.9		10.2
Asset Impairment Charges	0.0		0.0
Other	0.0		(4.5)
Restructuring Costs and Asset Impairment Charges	2.9		5.7
Facility Closing [Member] \| Aizu [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	4.8		4.8
Asset Impairment Charges	0.0		0.0
Other	0.0		0.0
Restructuring Costs and Asset Impairment Charges	4.8		4.8
Facility Closing [Member] \| KSS Facility [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	2.5		9.2
Asset Impairment Charges	0.0		0.0
Other	(0.6)		(2.0)
Restructuring Costs and Asset Impairment Charges	1.9		7.2
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	0.5		1.0
Asset Impairment Charges	0.0		1.3
Other	0.0		0.0
Restructuring Costs and Asset Impairment Charges	0.5		2.3
Restructuring Charges, Net [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	10.7		25.2
Asset Impairment Charges	0.0		1.3
Other	(0.6)		(6.5)
Restructuring Costs and Asset Impairment Charges	$ 10.1		$ 20.0

Restructuring, Asset Impairments And Other, Net (Rollforward Of Accrued Restructuring Charges) (Details) $ in Millions	9 Months Ended
	Sep. 26, 2014 USD ($)
Restructuring Reserve [Roll Forward]
Balance at Beginning of Period	$ 26.2
Restructuring Costs	25.2
Usage	(42.9)
Balance at End of Period	8.5
Estimated employee separation charges
Restructuring Reserve [Roll Forward]
Balance at Beginning of Period	25.2
Restructuring Costs	22.5
Usage	(40.1)
Balance at End of Period	7.6
Estimated costs to exit
Restructuring Reserve [Roll Forward]
Balance at Beginning of Period	1.0
Restructuring Costs	2.7
Usage	(2.8)
Balance at End of Period	$ 0.9

Restructuring, Asset Impairments And Other, Net (Narrative) (Details)		3 Months Ended			9 Months Ended
	Oct. 06, 2013 employees	Sep. 26, 2014 USD ($) employees	Mar. 28, 2014 USD ($)	Dec. 31, 2013 USD ($) employees	Sep. 26, 2014 USD ($) employees	Dec. 31, 2014 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		$ 4,800,000
Accrued liabilities		8,500,000		$ 26,200,000	$ 8,500,000
Estimated costs to exit
Restructuring Cost and Reserve [Line Items]
Accrued liabilities		900,000		$ 1,000,000	$ 900,000
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Expected reduction in employment levels \| employees					10
System Solutions Group Voluntary Retirement Programs [Member]
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs		0			$ 4,500,000
System Solutions Group Voluntary Retirement Programs [Member] \| Accrued Employee Separation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Accrued liabilities		1,600,000			$ 1,600,000
Total Employees Notified [Member] \| System Solutions Group Voluntary Retirement Programs [Member]
Restructuring Cost and Reserve [Line Items]
Expected reduction in employment levels \| employees				350
Minimum [Member] \| Voluntary Retirement [Member]
Restructuring Cost and Reserve [Line Items]
Expected reduction in employment levels \| employees					60
Maximum [Member] \| Voluntary Retirement [Member]
Restructuring Cost and Reserve [Line Items]
Expected reduction in employment levels \| employees					70
Q4 2013 Voluntary Retirement Program [Member] \| Voluntary Retirement [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		$ 2,900,000			$ 10,200,000
Q4 2014 Voluntary Retirement Program [Member] \| Voluntary Retirement [Member]
Restructuring Cost and Reserve [Line Items]
Expected reduction in employment levels \| employees					20
Number of employees terminated \| employees					40
KSS Plan [Member] \| Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Expected reduction in employment levels \| employees	25
Restructuring and Related Cost, Expected Number of Positions Eliminated at End of Period \| employees		170			170
Additional employee separation charges expected to incur					$ 500,000
Accrued liabilities				$ 5,900,000
Business Exit Costs					1,300,000
KSS Plan [Member] \| Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges					1,200,000
KSS Plan [Member] \| Minimum [Member] \| Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Business Exit Costs					2,000,000
KSS Plan [Member] \| Maximum [Member] \| Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Business Exit Costs					$ 3,000,000
Contract Employee [Member] \| Q4 2013 Voluntary Retirement Program [Member] \| Voluntary Retirement [Member]
Restructuring Cost and Reserve [Line Items]
Expected reduction in employment levels \| employees				70
Contract Employee [Member] \| Q4 2014 Voluntary Retirement Program [Member]
Restructuring Cost and Reserve [Line Items]
Expected reduction in employment levels \| employees					20
Contract Employee [Member] \| KSS Plan [Member] \| Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Expected reduction in employment levels \| employees	40
KSS Facility [Member] \| Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs		$ (600,000)			$ (2,000,000)
KSS Facility [Member] \| System Solutions Group Voluntary Retirement Programs [Member]
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs			$ 2,000,000
Scenario, Forecast [Member] \| System Solutions Group Voluntary Retirement Programs [Member] \| Accrued Employee Separation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Accrued liabilities						$ 200,000

Balance Sheet Information (Schedule of Balance Sheet Information) (Details) - USD ($)
$ in Millions

Sep. 26, 2014

Dec. 31, 2013

Receivables, net:

Accounts receivable

$ 490.5

$ 384.4

Less: Allowance for doubtful accounts

(1.8)

(1.0)

Accounts receivable, net

488.7

383.4

Inventories:

Raw materials

116.7

89.2

Work in process

371.9

319.6

Finished goods

235.7

203.0

Inventories, net

724.3

611.8

Other current assets:

Prepaid expenses

31.7

24.8

Value added and other income tax receivables

43.9

31.7

Other

29.7

32.8

Property, plant and equipment, net (1):

105.3

89.3

Land

52.0

^[1]

52.3

Buildings

494.2

^[1]

467.7

Machinery and equipment

2,138.7

^[1]

1,918.4

Total property, plant and equipment

2,684.9

^[1]

2,438.4

Less: Accumulated depreciation

(1,473.0)

^[1]

(1,364.2)

Fixed assets held for sale

1,211.9

^[1]

1,074.2

12.5

Accrued expenses:

Accrued payroll

109.2

91.3

Sales related reserves

65.4

54.2

Restructuring reserves

8.5

26.2

Accrued pension liability

5.7

10.4

Accrued interest

5.2

1.9

Other

50.0

36.3

Accrued Liabilities, Current, Total

$ 244.0

$ 220.3

[1]	Included in property, plant, and equipment are approximately $12.5 million of fixed assets which are held-for-sale as of September 26, 2014.

Balance Sheet Information (Warranty Reserves) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013
Warranty Reserves [Roll Forward]
Beginning Balance	$ 6.0	$ 10.2
Provision	2.0	3.9
Usage	(2.3)	(8.0)
Ending Balance	$ 5.7	$ 6.1

Balance Sheet Information (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013	Dec. 31, 2013
Balance Sheet Related Disclosures [Abstract]
Pension and Other Postretirement Defined Benefit Plans, Current Liabilities	$ 5.7		$ 5.7		$ 10.4
Defined benefit pension plan, liabilities	100.0		100.0		$ 128.9
Actuarial net losses	0.0	$ 0.0	0.0	$ (13.6)
Recognized net gain due to curtailments	$ 0.6	$ 0.2	$ 6.5	$ 12.1

Balance Sheet Information (Periodic Pension Expense) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Balance Sheet Related Disclosures [Abstract]
Service cost	$ 2.2	$ 2.9	$ 7.1	$ 9.5
Interest cost	1.3	1.6	4.3	5.2
Expected return on plan assets	(0.9)	(1.1)	(2.7)	(3.3)
Curtailment gain	(0.6)	(0.2)	(6.5)	(12.1)
Actuarial loss	0.0	0.0	0.0	13.6
Total net periodic pension cost	$ 2.0	$ 3.2	$ 2.2	$ 12.9

Long-Term Debt (Long-Term Debt) (Details) - USD ($)
$ in Millions

Sep. 26, 2014

Dec. 31, 2013

$ 1,183.6

$ 942.2

Less: Current maturities

(203.3)

(181.6)

Senior Revolving Credit Facility due 2018, interest payable monthly at 1.69% and 2.00%, respectively

980.3

760.6

350.0

$ 120.0

Loan with Japanese bank due 2014 through 2018, interest payable quarterly at 1.99% and 2.00%, respectively (1)

1.69%

2.00%

^[1]

245.4

$ 273.7

2.625% Notes, Series B (net of discount of $16.6 million and $21.7 million, respectively) (2)

1.99%

2.00%

^[2]

340.3

$ 335.2

Debt instrument, discount

2.625%

16.6

$ 21.7

Loan with Hong Kong bank, interest payable weekly at 1.90% and 1.91%, respectively

22.0

$ 40.0

Loans with Philippine bank due 2014 through 2015, interest payable monthly and quarterly at an average rate of 2.16% and 2.16%, respectively

1.90%

1.91%

35.4

$ 39.2

Loan with Chinese bank due 2014, interest payable quarterly at 3.34%

2.16%

0.0

$ 7.0

Loan with Singapore bank, interest payable weekly at 1.40% and 1.94%, respectively

3.34%

33.0

$ 15.0

Loan with British finance company, interest payable monthly at 0.00% and 1.57%, respectively

1.40%

1.94%

0.0

$ 0.2

U.S. real estate mortgages payable monthly through 2019 at an average rate of 3.35% and 4.86%, respectively

0.00%

1.57%

55.9

$ 28.1

U.S. equipment financing payable monthly through 2016 at 2.94%

3.35%

4.86%

6.8

$ 9.5

Canada equipment financing payable monthly through 2017 at 3.81%

2.94%

4.6

$ 5.9

Canada revolving line of credit, interest payable quarterly at 1.83% and 1.84%, respectively

3.81%

15.0

$ 15.0

Malaysia revolving line of credit, interest payable quarterly at 1.69%

1.83%

1.84%

25.0

$ 0.0

Vietnam revolving line of credit, interest payable annually at 2.03%

1.69%

0.00%

4.8

$ 0.0

Capital lease obligations

2.03%

0.00%

$ 45.4

$ 53.4

[1]	This loan represents SCI LLC's unsecured loan with SMBC, which is guaranteed by the Company.
[2]	The 2.625% Notes, Series B may be put back to the Company at the option of the holders of the notes on December 15 of 2016 and 2021 or called at the option of the Company on or after December 20, 2016.

Long-Term Debt (Annual Maturities Relating To Long-Term Debt) (Details) - USD ($) $ in Millions	Sep. 26, 2014	Sep. 26, 2014	Sep. 26, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Remainder of 2014			$ 85.1
2015			141.7
2016			419.2
2017			45.7
2018			478.2
Thereafter			30.3
Total			$ 1,200.2
2.625% Notes, Series B
Debt Instrument [Line Items]
Debt instrument, interest rate	2.625%	2.625%		2.625%

Long-Term Debt Long-Term Debt (Debt Guarantees) (Details) - USD ($)
$ in Millions

Sep. 23, 2014

Sep. 26, 2014

Aug. 04, 2014

Dec. 31, 2013

Credit commitment outstanding

$ 0.2

1,183.6

$ 942.2

2.625% Notes, Series B

2.625%

Senior Revolving Credit Facility due 2018, interest payable monthly at 1.69% and 2.00%, respectively

^[1]

340.3

$ 335.2

Credit commitment outstanding

1.69%

2.00%

230.0

Malaysia revolving line of credit, interest payable quarterly at 1.69%

350.0

$ 120.0

1.69%

0.00%

Line of Credit Facility, Maximum Borrowing Capacity

25.0

$ 0.0

25.0

Vietnam revolving line of credit, interest payable annually at 2.03%

2.03%

0.00%

Line of Credit Facility, Maximum Borrowing Capacity

4.8

$ 0.0

$ 25.0

Scotland [Member] | Loans Payable [Member]

Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid

3.1181%

$ 26.7

Debt Instrument, Face Amount

$ 49.4

London Interbank Offered Rate (LIBOR) [Member] | Malaysia revolving line of credit, interest payable quarterly at 1.69%

Debt Instrument, Basis Spread on Variable Rate

1.45%

Line of Credit, Terms, Payable on Demand, Number of Days in Which Borrowed Amount is Payable

21 days

London Interbank Offered Rate (LIBOR) [Member] | Vietnam revolving line of credit, interest payable annually at 2.03%

Debt Instrument, Basis Spread on Variable Rate

1.45%

Line of Credit, Terms, Payable on Demand, Number of Days in Which Borrowed Amount is Payable

5 days

[1]	The 2.625% Notes, Series B may be put back to the Company at the option of the holders of the notes on December 15 of 2016 and 2021 or called at the option of the Company on or after December 20, 2016.

Earnings per Share and Equity (Income per Share Calculations) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Earnings Per Share [Abstract]
Net income attributable to ON Semiconductor Corporation	$ 41.6	$ 51.8	$ 188.0	$ 122.1
Basic weighted average common shares outstanding	440.7	449.3	440.7	449.8
Dilutive effect of share-based awards	4.2	2.8	3.9	2.8
Diluted weighted average common shares outstanding	444.9	452.1	444.6	452.6
Basic (in dollars per share)	$ 0.09	$ 0.12	$ 0.43	$ 0.27
Diluted (in dollars per share)	$ 0.09	$ 0.11	$ 0.42	$ 0.27

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Net Income
-URI http://asc.fasb.org/extlink&oid=6518256

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.19)
-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.18)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.22)
-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Other Comprehensive Income
-URI http://asc.fasb.org/extlink&oid=6519514

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e565-108580

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 19
-Article 5

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 20
-Article 9

Number of repurchased shares

Earnings per Share and Equity (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013	Dec. 31, 2013	Dec. 31, 2012
Dividends Payable [Line Items]
Anti-dilutive shares	3,800,000	12,400,000	6,200,000	12,700,000
Payments of tax withholding for restricted shares	$ 0.6		$ 6.0	$ 2.8
Common stock withheld underlying restricted stock units	100,000		700,000
Treasury stock, shares, reissued or retired during period			0
Non-controlling interest in consolidated subsidiary	$ 31.7	$ 32.3	$ 31.7	32.3	$ 32.8	$ 29.6
Net Income (Loss) attributable to non-controlling interests	$ 0.4	$ 1.0	1.6	$ 2.7
Dividends to Non-controlling Shareholder [Member]
Dividends Payable [Line Items]
Dividends			$ 2.7

Earnings per Share and Equity Summary of Share Repurchase Program (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions

3 Months Ended

9 Months Ended

Sep. 26, 2014

Sep. 27, 2013

Sep. 26, 2014

Sep. 27, 2013

Earnings Per Share [Abstract]

^[1]

2.6

4.1

5.9

5.6

Beginning accrued share repurchases

^[2]

$ 0.0

$ 2.7

$ 0.6

$ 0.0

Aggregate purchase price

24.2

30.2

54.4

42.3

Less: ending accrued share repurchases

^[3]

(1.3)

(6.5)

(1.3)

(6.5)

Total cash used for share repurchases

$ 22.9

$ 26.4

$ 53.7

$ 35.8

Weighted-average purchase price per share (4)

^[4]

$ 9.23

$ 7.41

$ 9.25

$ 7.54

Available for future purchases at period end

$ 89.0

$ 202.4

$ 89.0

$ 202.4

[1]	None of these shares had been reissued or retired as of September 26, 2014, but may be reissued or retired by the Company at a later date.
[2]	Represents unpaid amounts recorded in accrued expenses on the Company's Consolidated Balance Sheet as of the beginning of the period.
[3]	Represents unpaid amounts recorded in accrued expenses on the Company's Consolidated Balance Sheet as of the end of the period.
[4]	Exclusive of fees, commissions and other expenses.

Share-Based Compensation (Summary Of Share-Based Compensation Expense) (Details) - USD ($)
$ in Millions

3 Months Ended

9 Months Ended

Sep. 26, 2014

Sep. 27, 2013

Sep. 26, 2014

Sep. 27, 2013

Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]

Related income tax benefits

$ 11.1

$ 7.0

$ 33.0

$ 23.4

0.0

^[1]

0.0

^[1]

0.0

^[1]

0.0

Share-based compensation expense, net of taxes

11.1

7.0

33.0

23.4

Cost Of Revenues [Member]

Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]

Research And Development [Member]

1.7

1.3

4.8

3.8

Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]

Selling And Marketing [Member]

2.2

1.5

6.2

4.6

Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]

General And Administrative [Member]

2.1

1.4

5.8

4.1

Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]

Line of Credit Facility, Current Borrowing Capacity

$ 5.1

$ 2.8

$ 16.2

$ 10.9

[1]	A majority of the Company’s share-based compensation relates to its domestic subsidiaries; therefore, no related deferred income tax benefits are recorded due to historical net operating losses at those subsidiaries.

Share-Based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash received from exercise of stock options			$ 20.4	$ 9.5
Share price	$ 9.32		$ 9.32
Employee Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized share-based compensation expense on non-vested stock options	$ 3.4		$ 3.4
Total Intrinsic value of stock options exercised	1.9		8.3
Cash received from exercise of stock options	$ 5.0		20.4
Options Pre-Vesting Forfeitures Estimated	11.00%	11.00%
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized share-based compensation expense on non-vested stock options	$ 54.1		$ 54.1
Options Pre-Vesting Forfeitures Estimated	5.00%	5.00%
Restricted Stock Units [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award Vesting Period			3 years
Restricted Stock Units [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award Vesting Period			1 year
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate of common stock available for grant	3.6		3.6		4.3
Amended And Restated Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate of common stock available for grant	35.7		35.7		37.4
Director [Member] \| Stock Grant Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross			0.1
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value			$ 8.66

Share-Based Compensation (Summary Of Stock Option Plans) (Details) $ / shares in Units, shares in Millions, $ in Millions	9 Months Ended
	Sep. 26, 2014 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of Shares, Outstanding Beginning \| shares	14.0
Number of Shares, Granted \| shares	0.0
Number of Shares, Exercised \| shares	(3.1)
Number of Shares, Canceled \| shares	(1.1)
Number of Shares, Outstanding Ending \| shares	9.8
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted-Average Exercise Price, Outstanding Beginning \| $ / shares	$ 7.89
Weighted-Average Exercise Price. Granted \| $ / shares	0.00
Weighted-Average Exercise Price, Exercised \| $ / shares	6.68
Weighted-Average Exercise Price, Cancelled \| $ / shares	10.88
Weighted-Average Exercise Price, Outstanding Ending \| $ / shares	$ 7.92
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	3 years 2 months 12 days
Aggregate Intrinsic Value (In-The-Money), Outstanding \| $	$ 16.2
Number of Shares, Exercisable \| shares	8.1
Weighted-Average Exercise Price, Exercisable \| $ / shares	$ 8.01
Weighted-Average Remaining Contractual Term (in years), Exercisable	2 years 10 months 28 days
Aggregate Intrinsic Value (In-The-Money), Exercisable \| $	$ 13.0

Share-Based Compensation (Additional Information On Stock Options Outstanding) (Details) shares in Millions	Sep. 26, 2014 $ / shares shares
Option Price Less Than Closing Price Of Common Stock At End Of Quarter [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Closing Price of Company Stock	$ 9.32
Number of Shares, Exercisable \| shares	6.8
Weighted Average Exercise Price, Exercisable	$ 7.41
Number of Shares, Unexercisable \| shares	1.6
Weighted Average Exercise Price, Unexercisable	$ 7.37
Number of Shares, Total \| shares	8.4
Weighted Average Exercise Price, Total	$ 7.40
Option Price Above Closing Price Of Common Stock At End Of Quarter [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Closing Price of Company Stock	$ 9.32
Number of Shares, Exercisable \| shares	1.3
Weighted Average Exercise Price, Exercisable	$ 11.09
Number of Shares, Unexercisable \| shares	0.1
Weighted Average Exercise Price, Unexercisable	$ 11.04
Number of Shares, Total \| shares	1.4
Weighted Average Exercise Price, Total	$ 11.08
Total Outstanding [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Shares, Exercisable \| shares	8.1
Weighted Average Exercise Price, Exercisable	$ 8.01
Number of Shares, Unexercisable \| shares	1.7
Weighted Average Exercise Price, Unexercisable	$ 7.58
Number of Shares, Total \| shares	9.8
Weighted Average Exercise Price, Total	$ 7.92

Share-Based Compensation (Summary Of Restricted Stock Units Transactions) (Details) - Restricted Stock Units [Member] shares in Millions	9 Months Ended
	Sep. 26, 2014 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested shares of restricted stock units, beginning \| shares	10.8
Number of Shares, Granted \| shares	4.3
Number of Shares, Released \| shares	(2.2)
Number of Shares, Forfeited \| shares	(3.2)
Nonvested shares of restricted stock units, ending \| shares	9.7
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Weighted Average Grant Date Fair Value, Nonvested shares of restricted stock units, beginning \| $ / shares	$ 8.52
Weighted Average Grant Date Fair Value, Granted \| $ / shares	9.39
Weighted Average Grant Date Fair Value, Released \| $ / shares	8.28
Weighted Average Grant Date Fair Value, Forfeited \| $ / shares	10.10
Weighted Average Grant Date Fair Value, Nonvested shares of restricted stock units, ending \| $ / shares	$ 8.44

Commitments And Contingencies (Operating Leases Future Minimum Payments Receivable) (Details) $ in Millions	Sep. 26, 2014 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Remainder of 2014	$ 5.6
2015	20.5
2016	17.5
2017	13.7
2018	9.5
Thereafter	38.5
Total	$ 105.3

Commitments And Contingencies (Narrative) (Details) - USD ($)
$ in Millions

Sep. 26, 2014

Dec. 31, 2013

Loss Contingencies [Line Items]

$ 40.0

Credit commitment outstanding

0.2

Outstanding guarantees and letters of credit

5.6

114.6

Unsecured Loan with SMBC [Member]

1,183.6

$ 942.2

Loss Contingencies [Line Items]

^[1]

$ 245.4

$ 273.7

[1]	This loan represents SCI LLC's unsecured loan with SMBC, which is guaranteed by the Company.

Fair Value Of Financial Instruments (Narrative) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 26, 2014	Dec. 31, 2013
Fair Value, Assets, Liabilities and Stockholders' Equity Measured on Recurring Basis [Abstract]
Short-term investments	$ 2.8	$ 116.2
Unrealized Loss on Securities	$ 0.0

Fair Value Of Financial Instruments (Fair Value Of Assets And Liabilities Measured On Recurring Basis) (Details) - USD ($) $ in Millions	Sep. 26, 2014	Dec. 31, 2013
Estimate of Fair Value, Fair Value Disclosure [Member] \| Foreign Exchange Contract [Member]
Foreign currency exchange contracts	$ 0.2	$ 0.1
Estimate of Fair Value, Fair Value Disclosure [Member] \| Fair Value, Measurements, Recurring [Member] \| Demand and Time Deposits [Member]
Cash and cash equivalents	436.6	447.5
Estimate of Fair Value, Fair Value Disclosure [Member] \| Fair Value, Measurements, Recurring [Member] \| Money Market Funds [Member]
Cash and cash equivalents	55.5	62.0
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Measurements, Recurring [Member] \| Demand and Time Deposits [Member]
Cash and cash equivalents	436.6	447.5
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Measurements, Recurring [Member] \| Money Market Funds [Member]
Cash and cash equivalents	55.5	62.0
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Measurements, Recurring [Member] \| Foreign Exchange Contract [Member]
Foreign currency exchange contracts	$ 0.2	$ 0.1

Fair Value Of Financial Instruments Fair Value of Short-Term Investments (Details) - USD ($) $ in Millions	Sep. 26, 2014	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carried at Amortized Cost	$ 2.8	$ 116.2
Fair Value	2.8	116.2
Commercial paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carried at Amortized Cost	0.0	15.5
Fair Value	0.0	15.5
Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carried at Amortized Cost	2.8	93.7
Fair Value	2.8	93.7
Government agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carried at Amortized Cost	0.0	7.0
Fair Value	$ 0.0	$ 7.0

Fair Value Of Financial Instruments (Carrying Amounts And Fair Values Of Long-Term Borrowings) (Details) - USD ($) $ in Millions	Sep. 26, 2014	Dec. 31, 2013
Convertible Notes Payable [Member]
Carrying Amount	$ 340.3	$ 335.2
Fair Value	409.6	392.6
Long-term Debt [Member]
Carrying Amount	730.6	510.2
Fair Value	$ 732.5	$ 511.4

Financial Instruments (Schedule Of Net Foreign Exchange Positions) (Details) - USD ($) $ in Millions	Sep. 26, 2014	Dec. 31, 2013
Financial Instruments [Line Items]
Buy (Sell)	$ 8.4	$ 20.9
Derivative, Notional Amount	141.7	101.7
Euro [Member]
Financial Instruments [Line Items]
Buy (Sell)	(33.6)	(30.5)
Derivative, Notional Amount	33.6	30.5
Japanese Yen [Member]
Financial Instruments [Line Items]
Buy (Sell)	(30.2)	(6.7)
Derivative, Notional Amount	30.2	6.7
Malaysian Ringgit [Member]
Financial Instruments [Line Items]
Buy (Sell)	42.5	35.8
Derivative, Notional Amount	42.5	35.8
Philippines, Pesos [Member]
Financial Instruments [Line Items]
Buy (Sell)	19.8	11.7
Derivative, Notional Amount	19.8	11.7
Other Currencies [Member]
Financial Instruments [Line Items]
Buy (Sell)	9.9	10.6
Derivative, Notional Amount	$ 15.6	$ 17.0

Financial Instruments (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended
Financial Instruments (Narrative) (Details) - USD ($)	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	$ 141,700,000		$ 141,700,000		$ 101,700,000
Foreign currency transaction gain (loss), realized	(900,000)	$ 100,000	(2,800,000)	$ 4,900,000
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	(1,200,000)	$ 1,100,000	1,500,000	$ (3,200,000)
Other liabilities	1,013,000,000		1,013,000,000		819,200,000
Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Other liabilities	400,000.0		400,000.0		1,800,000
Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	83,100,000		83,100,000
Effects of Cash Flow Hedges \| Reclassification out of Accumulated Other Comprehensive Income \| Cost of Revenues [Member]
Derivatives, Fair Value [Line Items]
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	400,000		(1,000,000)
Other Liabilities [Member] \| Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability	200,000		200,000		100,000
Other Assets [Member] \| Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Other liabilities	$ 0		$ 0		$ 0

Changes in Accumulated Other Comprehensive Loss Components of Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning			$ (47.4)
Other comprehensive income (loss) prior to reclassifications			3.8
Other comprehensive income (loss)	$ 0.7	$ 2.5	2.8	$ (7.5)
Balance, ending	(44.6)		(44.6)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning			(46.0)
Other comprehensive income (loss) prior to reclassifications			1.3
Other comprehensive income (loss)			1.3
Balance, ending	(44.7)		(44.7)
Effects of Cash Flow Hedges
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning			(1.8)
Other comprehensive income (loss) prior to reclassifications			2.5
Other comprehensive income (loss)			1.5
Balance, ending	(0.3)		(0.3)
Unrealized Gains and Losses on Available-for-Sale Securities
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning			0.4
Other comprehensive income (loss) prior to reclassifications			0.0
Other comprehensive income (loss)			0.0
Balance, ending	$ 0.4		0.4
Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income [Roll Forward]
Amounts reclassified from accumulated other comprehensive loss		$ (1.7)	(1.0)	$ (22.4)
Reclassification out of Accumulated Other Comprehensive Income \| Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income [Roll Forward]
Amounts reclassified from accumulated other comprehensive loss			0.0
Reclassification out of Accumulated Other Comprehensive Income \| Effects of Cash Flow Hedges
Accumulated Other Comprehensive Income [Roll Forward]
Amounts reclassified from accumulated other comprehensive loss			(1.0)
Reclassification out of Accumulated Other Comprehensive Income \| Unrealized Gains and Losses on Available-for-Sale Securities
Accumulated Other Comprehensive Income [Roll Forward]
Amounts reclassified from accumulated other comprehensive loss			$ 0.0

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

Changes in Accumulated Other Comprehensive Loss Reclassifications (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of Revenue	$ 549.4	$ 466.2	$ 1,489.7	$ 1,379.2
Restructuring, asset impairments and other, net	10.1	11.0	20.0	11.1
Other	(0.9)	(1.4)	(2.7)	3.6
Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total reclassifications		(1.7)	(1.0)	(22.4)
Reclassification out of Accumulated Other Comprehensive Income \| Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Restructuring, asset impairments and other, net		0.0		(21.0)
Total reclassifications			0.0
Reclassification out of Accumulated Other Comprehensive Income \| Effects of Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of Revenue	$ 0.4		(1.0)
Other		$ (1.7)		$ (1.4)
Total reclassifications			$ (1.0)

Changes in Accumulated Other Comprehensive Loss Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013	Dec. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income Tax Expense (Benefit)	$ 6,300,000	$ 4,200,000	$ (3,700,000)	$ 4,000,000
Accumulated other comprehensive loss	(44,600,000)		(44,600,000)		$ (47,400,000)
Effects of Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from accumulated other comprehensive income, current period, tax			0
Accumulated other comprehensive loss	(300,000)		(300,000)		(1,800,000)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(44,700,000)		(44,700,000)		$ (46,000,000)
Subsidiaries [Member] \| Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ 11,200,000		11,200,000
Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income Tax Expense (Benefit)			$ 0

Revenues from External Customers and Long-Lived Assets [Line Items]

Supplemental Disclosure of Cash Flow Information (Non-Cash Financing Activities And Cash Payments) (Details) - USD ($) $ in Millions		3 Months Ended	9 Months Ended
	Aug. 15, 2014	Sep. 26, 2014	Sep. 26, 2014	Sep. 27, 2013	Dec. 31, 2013
Supplemental Cash Flow Elements [Abstract]
Capital expenditures in accounts payable			$ 97.4	$ 42.1
Capital Lease Obligations Incurred			6.1	2.4
Interest income			(0.6)	(1.0)
Interest expense			15.2	14.2
Income taxes			15.5	9.9
Income Tax Contingency [Line Items]
Reversal of valuation allowance			(21.7)	$ 0.0
Decrease resulting from settlements with taxing authorities			3.6
Increase resulting from current period tax positions			$ 19.2
Effective income tax rate		13.00%	2.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			35.00%
Domestic Deferred Tax Assets [Member]
Income Tax Contingency [Line Items]
Deferred Tax Assets, Valuation Allowance					$ 524.0
Foreign Tax Authority [Member]
Income Tax Contingency [Line Items]
Increase resulting from current period tax positions			$ 2.4
Aptima [Member]
Income Tax Contingency [Line Items]
Business Combination, Consideration Withheld and Placed in Escrow	$ 40.0
Income Tax (Provision) Benefit [Member]
Income Tax Contingency [Line Items]
Reversal of valuation allowance			$ 21.7

Segment Information (Segment Information Of Revenues, Gross Profit And Operating Income) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Revenues	$ 833.5	$ 715.4	$ 2,297.6	$ 2,064.7
Segment gross profit	290.6	248.9	826.0	695.8
Segment operating income (loss)	81.1	82.3	267.5	186.2
Applications Products Group [Member]
Revenues	265.8	260.5	810.2	737.2
Segment gross profit	119.1	114.4	362.2	318.4
Segment operating income (loss)	30.5	31.9	102.1	80.2
Image Sensor Group
Revenues	103.6	8.5	139.9	28.3
Segment gross profit	23.8	4.6	43.7	17.9
Segment operating income (loss)	(17.8)	(1.5)	(15.1)	(0.1)
Standard Products Group [Member]
Revenues	317.3	289.6	913.9	831.2
Segment gross profit	115.8	95.6	332.2	296.1
Segment operating income (loss)	65.0	54.9	185.9	177.8
System Solutions Group [Member]
Revenues	146.8	156.8	433.6	468.0
Segment gross profit	31.9	34.3	87.9	63.4
Segment operating income (loss)	$ 3.4	$ (3.0)	$ (5.4)	$ (71.7)

Segment Information (Reconciliations Of Segment Gross Profit And Segment Operating Income) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Reporting Information Gross Profit	$ 290.6	$ 248.9	$ 826.0	$ 695.8
Gross profit for reportable segments	284.1	249.2	807.9	685.5
Segment Reporting Information, Operating (Loss) Income	81.1	82.3	267.5	186.2
Other unallocated operating expenses	(226.5)	(181.9)	(595.3)	(529.6)
Operating income (loss)	57.6	67.3	212.6	155.9
Unallocated Amount to Segment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Other unallocated manufacturing costs	(6.5)	0.3	(18.1)	(10.3)
RestructuringSettlementAndImpairmentProvisions	10.1	11.0	20.0	11.1
Other unallocated operating expenses	$ (6.9)	$ (4.3)	$ (16.8)	$ (8.9)

Segment Information (Revenues By Geographic Location Including Local Sales And Exports) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Revenues	$ 833.5	$ 715.4	$ 2,297.6	$ 2,064.7
United States [Member]
Revenues	125.5	109.0	352.6	306.4
Japan [Member]
Revenues	77.4	70.3	210.0	217.6
Hong Kong [Member]
Revenues	263.9	230.1	692.8	628.0
Singapore [Member]
Revenues	210.4	178.3	580.5	525.6
United Kingdom [Member]
Revenues	126.3	101.9	367.0	302.2
Other [Member]
Revenues	$ 30.0	$ 25.8	$ 94.7	$ 84.9

Segment Information Segment Information (Summary of Property, Plant and Equipment by Geographic Location) (Details) - USD ($)
$ in Millions

Sep. 26, 2014

Dec. 31, 2013

Revenues from External Customers and Long-Lived Assets [Line Items]

$ 1,211.9

^[1]

$ 1,074.2

United States

Revenues from External Customers and Long-Lived Assets [Line Items]

303.6

255.3

Czech Republic

Revenues from External Customers and Long-Lived Assets [Line Items]

114.6

111.1

Malaysia

Revenues from External Customers and Long-Lived Assets [Line Items]

231.3

213.9

Philippines

Revenues from External Customers and Long-Lived Assets [Line Items]

191.6

173.8

Other

Condensed Financial Statements, Captions [Line Items]

$ 370.8

$ 320.1

[1]	Included in property, plant, and equipment are approximately $12.5 million of fixed assets which are held-for-sale as of September 26, 2014.

Guarantor And Non-Guarantor Statements (Notes To Consolidated Statement Of Balance Sheet) (Details) - USD ($)
$ in Millions

Sep. 26, 2014

Dec. 31, 2013

Sep. 27, 2013

Dec. 31, 2012

Percentage of ownership on domestic subsidiaries

100.00%

$ 492.1

$ 509.5

$ 369.5

$ 486.9

2.8

116.2

488.7

383.4

724.3

611.8

0.0

105.3

89.3

1,813.2

1,710.2

1,211.9

^[1]

1,074.2

275.3

184.6

480.4

223.4

0.0

101.4

64.6

3,882.2

3,257.0

398.7

276.8

244.0

220.3

167.0

140.5

203.3

181.6

0.0

1,013.0

819.2

980.3

760.6

214.6

190.4

0.0

2,207.9

1,770.2

5.2

3,269.0

3,210.8

(44.6)

(47.4)

(954.1)

(1,142.1)

Total ON Semiconductor Corporation stockholders’ equity

(632.9)

(572.5)

1,642.6

1,454.0

Non-controlling interest in consolidated subsidiary

31.7

32.8

32.3

29.6

1,674.3

1,486.8

Condensed Financial Statements, Captions [Line Items]

3,882.2

3,257.0

Issuer [Member]

0.0

0.0

0.0

0.0

0.0

0.0

0.0

0.0

0.0

0.0

0.0

1,986.9

1,790.2

1,986.9

1,790.2

0.0

4.0

1.0

0.0

0.0

0.0

4.0

1.0

340.3

335.2

0.0

0.0

344.3

336.2

5.2

3,269.0

3,210.8

(44.6)

(47.4)

(954.1)

(1,142.1)

Total ON Semiconductor Corporation stockholders’ equity

(632.9)

(572.5)

1,642.6

1,454.0

Non-controlling interest in consolidated subsidiary

0.0

1,642.6

1,454.0

Condensed Financial Statements, Captions [Line Items]

1,986.9

1,790.2

SCI LLC [Member]

185.1

267.9

157.5

212.1

2.8

116.2

61.3

49.8

49.3

46.7

0.0

24.0

17.8

322.5

498.4

258.6

252.3

111.6

111.5

101.7

113.0

292.6

0.0

1,948.9

1,600.6

3,035.9

2,575.8

36.6

39.1

51.9

50.8

40.9

32.3

63.8

79.3

10.7

11.7

203.9

213.2

616.7

396.1

19.1

42.2

0.0

3.3

839.7

654.8

24.6

0.3

2,365.5

2,335.1

(47.0)

(49.2)

(146.9)

(365.2)

Total ON Semiconductor Corporation stockholders’ equity

0.0

2,196.2

1,921.0

Non-controlling interest in consolidated subsidiary

0.0

2,196.2

1,921.0

Other Subsidiaries [Member]

3,035.9

2,575.8

Condensed Financial Statements, Captions [Line Items]

0.0

0.0

0.0

0.0

4.5

4.1

0.0

4.5

4.1

3.1

37.3

0.0

0.0

133.7

136.1

178.6

180.6

0.0

0.5

0.3

0.2

0.0

0.0

0.0

0.3

0.7

0.0

0.1

0.0

0.4

0.8

50.9

254.5

259.8

0.0

(127.2)

(130.9)

Total ON Semiconductor Corporation stockholders’ equity

0.0

178.2

179.8

Non-controlling interest in consolidated subsidiary

0.0

178.2

179.8

Non-Guarantor Subsidiaries [Member]

178.6

180.6

Condensed Financial Statements, Captions [Line Items]

307.0

241.6

212.0

274.8

0.0

427.4

333.6

667.8

562.1

6.2

7.6

81.3

71.5

1,489.7

1,216.4

951.7

820.6

126.4

35.8

397.4

132.2

0.0

3.3

876.3

837.3

3,841.5

3,045.6

362.1

237.2

187.8

168.3

126.1

108.2

139.5

102.3

0.0

815.5

616.0

23.3

29.3

195.4

148.1

292.6

0.0

1,326.8

793.4

173.9

201.6

1,247.7

1,402.6

38.8

(38.6)

1,054.3

686.6

Total ON Semiconductor Corporation stockholders’ equity

0.0

2,514.7

2,252.2

Non-controlling interest in consolidated subsidiary

0.0

2,514.7

2,252.2

Condensed Financial Statements, Captions [Line Items]

3,841.5

3,045.6

Eliminations [Member]

0.0

$ 0.0

0.0

0.0

7.2

3.0

(10.7)

(11.7)

0.0

(3.5)

(8.7)

(1.5)

(1.8)

0.0

(18.7)

(21.8)

(292.6)

(3.3)

(4,844.4)

(4,299.6)

(5,160.7)

(4,335.2)

0.0

0.0

0.0

0.0

(10.7)

(11.7)

(10.7)

(11.7)

0.0

0.0

(292.6)

(3.3)

(303.3)

(15.0)

(249.4)

(252.8)

(3,867.7)

(3,997.5)

8.2

87.8

(780.2)

(190.5)

Total ON Semiconductor Corporation stockholders’ equity

0.0

(4,889.1)

(4,353.0)

Non-controlling interest in consolidated subsidiary

31.7

32.8

(4,857.4)

(4,320.2)