10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

[X]	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended		September 28, 2013

or

[ ]	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from			to
Commission file number		0-22660

TRIQUINT SEMICONDUCTOR, INC.

(Exact name of registrant as specified in its charter)

Delaware	95-3654013
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
2300 N.E. Brookwood Parkway, Hillsboro, Oregon	97124
(Address of principal executive offices)	(Zip Code)
(503) 615-9000
(Registrant's telephone number, including area code)
(Former name, former address and former fiscal year, if changed since last report)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.                         Yes  x    No  £

Indicate by a check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).   Yes  x No  £

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.     

Large accelerated filer x Accelerated filer  £

Non-accelerated filer  £ (Do not check if a smaller reporting company)    Smaller reporting company  £

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).  Yes £ No x

As of November 1, 2013, there were 160,605,803shares of the Registrant’s common stock outstanding.

TRIQUINT SEMICONDUCTOR, INC.

INDEX

	PART I. FINANCIAL INFORMATION
Item 1.	Financial Statements (Unaudited)
	Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) for the three and nine months ended September 28, 2013 and September 29, 2012	1
	Condensed Consolidated Balance Sheets at September 28, 2013 and December 31, 2012	2
	Condensed Consolidated Statements of Cash Flows for the nine months ended September 28, 2013 and September 29, 2012	3
	Notes to Condensed Consolidated Financial Statements	4
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	15
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	22
Item 4.	Controls and Procedures	23
	PART II. OTHER INFORMATION
Item 1.	Legal Proceedings	24
Item 1A.	Risk Factors	24
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	24
Item 6.	Exhibits	24

Part I. FINANCIAL INFORMATION

Item 1. Financial Statements

TRIQUINT SEMICONDUCTOR, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS)

(Unaudited)

(In thousands, except per share data)

	Three Months Ended						Nine Months Ended
	September 28, 2013			September 29, 2012			September 28, 2013			September 29, 2012
Revenue	$	250,836		$	200,821		$	625,148		$	595,553
Cost of goods sold	158,619			139,208			437,440			426,413
Gross profit	92,217			61,613			187,708			169,140
Operating expenses:
Research, development and engineering	47,023			40,871			140,201			116,029
Selling, general and administrative	26,420			26,264			79,650			86,620
Total operating expenses	73,443			67,135			219,851			202,649
Income (loss) from operations	18,774			(5,522		)	(32,143		)	(33,509		)
Other (expense) income :
Interest income	7			58			83			196
Interest expense	(1,153		)	(666		)	(3,429		)	(1,329		)
Gain/recovery of investment	—			—			421			6,957
Other, net	70			23			(324		)	168
Total other (expense) income, net	(1,076		)	(585		)	(3,249		)	5,992
Income (loss) before income tax	17,698			(6,107		)	(35,392		)	(27,517		)
Income tax expense (benefit)	4,137			5,139			(6,119		)	(5,104		)
Net income (loss)	13,561			(11,246		)	(29,273		)	(22,413		)
Net income (loss) per common share:
Basic	$	0.09		$	(0.07	)	$	(0.18	)	(0.14		)
Diluted	$	0.08		$	(0.07	)	$	(0.18	)	$	(0.14	)
Common equivalent shares:
Basic	157,105			163,838			159,057			165,143
Diluted	163,917			163,838			159,057			165,143
Other comprehensive income (loss):
Net unrealized gain on available for sale investments	5			2			3			—
Comprehensive income (loss)	$	13,566		$	(11,244	)	$	(29,270	)	$	(22,413	)

The accompanying notes are an integral part of these financial statements.

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TRIQUINT SEMICONDUCTOR, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(Unaudited)

(In thousands, except per share data)

	September 28, 2013			December 31, 2012
ASSETS
Current assets:
Cash and cash equivalents	$	26,327		$	116,653
Investments in marketable securities	553			22,305
Accounts receivable, net	173,991			132,729
Inventories	175,583			138,246
Prepaid expenses	10,635			8,938
Deferred tax assets, net	12,111			12,530
Other current assets	51,446			48,382
Total current assets	450,646			479,783
Property, plant and equipment, net	454,237			448,741
Goodwill	13,790			4,391
Intangible assets, net	25,001			23,163
Deferred tax assets – noncurrent, net	63,109			57,185
Other noncurrent assets, net	32,062			40,415
Total assets	$	1,038,845		$	1,053,678
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	77,588			65,388
Accrued payroll	38,182			33,254
Other accrued liabilities	13,721			15,132
Total current liabilities	129,491			113,774
Long-term liabilities:
Long-term income tax liability	4,070			2,809
Cross-licensing liability	12,027			12,818
Other long-term liabilities	16,699			15,878
Total liabilities	162,287			145,279
Commitments and contingencies (Note 12)
Stockholders’ equity:
Preferred Stock, $0.001 par value, 5,000 shares authorized, no shares issued	—			—
Common stock, $0.001 par value, 600,000 shares authorized, 158,263 and 160,611 shares issued and outstanding at September 28, 2013 and December 31, 2012, respectively	158			161
Additional paid-in capital	673,635			676,203
Accumulated other comprehensive loss	(363		)	(366		)
Retained earnings	203,128			232,401
Total stockholders’ equity	876,558			908,399
Total liabilities and stockholders’ equity	$	1,038,845		$	1,053,678

The accompanying notes are an integral part of these financial statements.

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TRIQUINT SEMICONDUCTOR, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

(In thousands)

	Nine Months Ended
	September 28, 2013			September 29, 2012
Cash flows from operating activities:
Net loss	$	(29,273	)	$	(22,413	)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	80,254			69,157
Stock-based compensation charges	21,129			21,619
Deferred income taxes	(7,170		)	(8,375		)
Gain/recovery of investment	(421		)	(6,957		)
Earnout and milestone liability	(2,009		)	(916		)
Other	(201		)	49
Changes in assets and liabilities:
Accounts receivable, net	(40,378		)	6,324
Inventories	(35,605		)	(2,232		)
Other assets	(6,013		)	(35,772		)
Accounts payable and accrued expenses	18,501			13,891
Net cash (used in) provided by operating activities	(1,186		)	34,375
Cash flows from investing activities:
Purchase of available-for-sale investments	(20,940		)	(64,614		)
Maturity/sale of available-for-sale investments	42,695			80,429
Proceeds from gain/recovery of investment in other companies	421			6,957
Acquisition of business, net of cash acquired	(5,940		)	(3,000		)
Other	885			146
Capital expenditures	(78,032		)	(45,998		)
Net cash used in investing activities	(60,911		)	(26,080		)
Cash flows from financing activities:
Subscription/issuance of common stock, net	23,238			14,798
Repurchase of common stock	(51,125		)	(25,000		)
Excess tax benefit from stock-based compensation arrangements	(342		)	—
Net cash used in financing activities	(28,229		)	(10,202		)
Net decrease in cash and cash equivalents	(90,326		)	(1,907		)
Cash and cash equivalents at beginning of period	116,653			116,305
Cash and cash equivalents at end of period	$	26,327		$	114,398
Supplemental disclosures:
Change in timing of payments related to capital expenditures	$	2,751		$	(6,574	)
Cash paid for income taxes, net of cash refunds	$	1,384		$	248

The accompanying notes are an integral part of these financial statements.

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TRIQUINT SEMICONDUCTOR, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(In thousands, except per share amounts)

(Unaudited)

1. Basis of Presentation

The accompanying condensed consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States (“GAAP”). Certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed, or omitted, pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). In addition, the preparation of financial statements in conformity with GAAP requires management to make estimates and judgments that affect the amounts reported in the financial statements and accompanying notes. For TriQuint Semiconductor, Inc. (the “Company”), the accounting estimates requiring management’s most difficult and subjective judgments include revenue recognition, the valuation of inventory, the accounting for income taxes, precious metals reclaim and stock-based compensation. Certain reclassifications have been made to prior year balances in order to conform to the current year presentation. In the opinion of management, the condensed consolidated financial statements include all material adjustments, consisting only of normal, recurring adjustments, necessary for the fair presentation of the results of the interim periods presented. These condensed consolidated financial statements should be read in conjunction with the audited financial statements of the Company as of and for the fiscal year ended December 31, 2012, included in the Company’s 2012 Annual Report on Form 10-K filed with the SEC on February 26, 2013.

2. Recent Accounting Pronouncements

In July 2013, the Financial Accounting Standards Board's ("FASB") Emerging Issues Task Force ("EITF") reached final consensus with regard to the "Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists." The update is intended to eliminate diversity in practice in the presentation of an unrecognized tax benefit when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists. Current GAAP does not include explicit guidance on this topic. The main provisions of the update provide that an unrecognized tax benefit, or a portion of an unrecognized tax benefit, should be presented in the financial statements as a reduction to a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward. An exception exists if such deferred tax asset is not available at the reporting date under the tax law of the applicable jurisdiction to settle any additional income taxes that would result from a disallowance of a tax position or if the tax law of the applicable jurisdiction does not require the entity to use, and the entity does not intend to use, the deferred tax asset for such purpose. In such cases the unrecognized tax benefit should be presented in the financial statements as a liability and should not be combined with deferred tax assets. The amendments in this update will be applied prospectively. The update is effective for fiscal years, and interim periods within those years, beginning after December 15, 2013. The adoption of this standard will have no net effect on the Company's financial position, results of operations or cash flows. However, once adopted, the standard may change the presentation of unrecognized tax benefits and deferred tax assets in the balance sheet and the income taxes section of the notes to the financial statements.

3. Fair Value of Financial Instruments

The Company accounts for its assets utilizing a hierarchy of valuation techniques based on whether the inputs to those valuation techniques are observable or unobservable. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect the Company’s market assumptions. These two types of inputs have created the following fair-value hierarchy:

• Level 1—Quoted prices for identical instruments in active markets;

• Level 2—Quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets; and

• Level 3—Valuations derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable.

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Assets and liabilities measured and recorded at fair value on a recurring basis at September 28, 2013 are as follows:
	Carrying Amount		Total Fair Value
					Cash		Level 1		Level 2		Level 3
Measured on a recurring basis:
Assets:
Cash	$	25,069	$	25,069	$	25,069	$	—	$	—	$	—
Cash equivalents	1,258		1,258		—		1,258		—		—
Short-term—marketable securities	553		553		—		—		553		—
Non-qualified deferred compensation plan	6,049		6,049		—		6,049		—		—
Total	$	32,929	$	32,929	$	25,069	$	7,307	$	553	$	—
Liabilities:
Earnout and milestone payment liability	3,448		3,448		—		—		—		3,448
Non-qualified deferred compensation plan	6,049		6,049		—		6,049		—		—
Total	$	9,497	$	9,497	$	—	$	6,049	$	—	$	3,448
Assets and liabilities measured and recorded at fair value on a recurring basis at December 31, 2012 are as follows:
	Carrying Amount		Total Fair Value
					Cash		Level 1		Level 2		Level 3
Measured on a recurring basis:
Assets:
Cash	$	63,104	$	63,104	$	63,104	$	—	$	—	$	—
Cash equivalents	53,549		53,549		—		53,549		—		—
Short-term—marketable securities	22,305		22,305		—		4,510		17,795		—
Non-qualified deferred compensation plan	4,591		4,591		—		4,591		—		—
Total	$	143,549	$	143,549	$	63,104	$	62,650	$	17,795	$	—
Liabilities:
Earnout and milestone payment liability	$	5,457	$	5,457	$	—	$	—	$	—	$	5,457
Non-qualified deferred compensation plan	4,591		4,591		—		4,591		—		—
Total	$	10,048	$	10,048	$	—	$	4,591	$	—	$	5,457

The instruments classified as Level 1 are measured at fair value using quoted market prices. The investments classified as Level 2 were valued using quoted prices for similar instruments in markets that are not active since identical instruments were not available. The Company determines the hierarchy levels at the end of each quarter.

The Company's non-qualified deferred compensation plan provides eligible employees and members of the Board of Directors with the opportunity to defer a specified percentage of their cash compensation. The Company includes the asset deferred by the participants in the “Other noncurrent assets, net” line item of its consolidated balance sheets and the Company’s obligation to deliver the deferred compensation in the “Other long-term liabilities” line item on its consolidated balance sheets.

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The Company's earnout and milestone payment liability as of September 28, 2013 resulted from two acquisitions during 2012 and represents the fair value of the estimated payout to the former businesses contingent upon meeting certain requirements. For the first acquisition, as of September 28, 2013, the Company estimated the fair value of the obligation as $2,294 using a cash flow based approach discounted with a market discount rate. For the second acquisition, as of September 28, 2013, the Company estimated the fair value of the obligation as $1,154 using a Monte Carlo simulation model discounted using the risk free rate adjusted for an applicable credit spread. During the nine months ended September 28, 2013, the Company remeasured the fair value of the obligation for the second acquisition based on a change in forecast related to the achievement of earnout targets. The change in estimate resulted in a reduction in the liability of $3,371 and was recorded to selling general and administrative expenses in the statement of operations. For both of the acquisitions, total accretion of $1,362 was recognized during the nine months ended September 28, 2013.

Ending earnout and milestone payment liability at December 31, 2012	$	5,457
Accretion	1,362
Change in estimate	(3,371		)
Ending earnout and milestone payment liability at September 28, 2013	$	3,448

Financial Instruments Not Recorded at Fair Value on a Recurring Basis

The Company entered into a cross-licensing agreement in 2012. The fair value of the cross-licensing liability was estimated using a discounted cash flow model which discounts future cash flows using an incremental borrowing rate of 9%. The cross-licensing liability was categorized as Level 3 in the fair value hierarchy and its ending fair value at September 28, 2013 was $15,027, of which $3,000 was current and is included in other current liabilities in the balance sheet.

4. Investments in Cash Equivalents and Marketable Securities

As of September 28, 2013 and December 31, 2012, all short-term investments were classified as available-for-sale and have maturity dates of less than one year. All unrealized gains and losses on available-for-sale investments are included in other comprehensive loss. The cost, net unrealized holding gains, net unrealized holding losses and fair value of available-for-sale investments by types and classes of security at September 28, 2013 consisted of the following:

At September 28, 2013	Cost		Net unrealized holding gains		Net unrealized holding losses		Fair Value
Available-for-sale-included in cash equivalents:
Money market funds	$	1,258	$	—	$	—	$	1,258
Available-for-sale-included in short-term marketable securities:
Municipal notes	552		1		—		553
	$	1,810	$	1	$	—	$	1,811

The cost, net unrealized holding gains, net unrealized holding losses and fair value of available-for-sale investments by types and classes of security at December 31, 2012 consisted of the following:

At December 31, 2012	Cost		Net unrealized holding gains		Net unrealized holding losses			Fair Value
Available-for-sale-included in cash equivalents:
Money market funds and other	$	53,549	$	—	$	—		$	53,549
Available-for-sale-included in short-term marketable securities:
U.S. treasury securities	4,510		—		—			4,510
U.S. government-sponsored enterprise securities	1,065		—		—			1,065
Corporate debt securities	14,933		—		(3		)	14,930
Certificates of deposit	1,800		—		—			1,800
	$	75,857	$	—	$	(3	)	$	75,854

Investments are considered to be impaired when a decline in fair value is judged to be other-than-temporary. The Company employs a methodology that reviews specific securities in evaluating potential impairment of its investments. In the

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event that the cost of an investment exceeds its fair value, the Company evaluates, among other factors, the Company’s intent and ability to hold the investment and extent to which the fair value is less than cost; the financial health of and business outlook for the issuer; and operating and financing cash flow factors. During the nine months ended September 28, 2013, the Company did not record any other-than-temporary impairments on its investments in cash equivalents or marketable securities.

5. Net Income (Loss) Per Share

Net income (loss) per share is presented as basic and diluted net income (loss) per share. Basic net income (loss) per share is net income (loss) available to common stockholders divided by the weighted-average number of common shares outstanding. Diluted net income per share is similar to basic net income (loss) per share, except that the denominator includes potential common shares that, had they been issued, would have had a dilutive effect. Dilutive securities include options granted pursuant to the Company’s stock option plans, and potential shares related to Restricted Stock Units ("RSUs"), Market-Based Restricted Stock Units ("MSUs") and the Company’s Employee Stock Purchase Plan ("ESPP").

The following is a reconciliation of the basic and diluted shares:

	Three Months Ended					Nine Months Ended
	September 28, 2013		September 29, 2012			September 28, 2013			September 29, 2012
Net income (loss):	$	13,561	$	(11,246	)	$	(29,273	)	$	(22,413	)
Shares for net income (loss) per share:
Weighted-average shares outstanding—Basic	157,105		163,838			159,057			165,143
Dilutive securities	6,812		—			—			—
Weighted-average shares outstanding—Diluted	163,917		163,838			159,057			165,143

For the three months ended September 28, 2013, securities representing 8,851 potential shares were excluded from the calculation as their effect would have been antidilutive. For the nine months ended September 28, 2013 and the three and nine months ended September 29, 2012 all outstanding options and potential shares related to RSUs, MSUs and the ESPP were excluded from the calculation as their effect would have been antidilutive.

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6. Selected Financial Statement Information

	September 28, 2013			December 31, 2012
Accounts receivable, net:
Trade accounts receivable	$	174,011		$	132,782
Allowance for doubtful accounts	(20		)	(53		)
	$	173,991		$	132,729
Inventories:
Raw materials	$	30,075		$	26,798
Work-in-process	108,625			72,393
Finished goods	36,883			39,055
	$	175,583		$	138,246
Other current assets:
Precious metals reclaim	$	41,397		$	39,472
Other	10,049			8,910
	$	51,446		$	48,382
Accrued payroll:
Accrued payroll and taxes	$	8,379		$	11,234
Accrued paid time off and sabbatical	17,220			14,979
Accrued management incentive program	3,306			2,437
Self-insurance liability	2,409			2,168
ESPP Withholdings	6,868			2,436
	$	38,182		$	33,254

7. Property, Plant and Equipment

Property, plant and equipment consisted of the following:

	September 28, 2013			December 31, 2012
Land	$	19,718		$	19,691
Buildings	95,080			94,766
Building and leasehold improvements	32,021			31,012
Machinery and equipment	755,891			664,737
Furniture and fixtures	7,007			6,915
Computer equipment and software	51,742			46,930
Assets in process	36,542			59,561
Total property, plant and equipment, gross	998,001			923,612
Accumulated depreciation	(543,764		)	(474,871		)
Total property, plant and equipment, net	$	454,237		$	448,741

The Company reported depreciation expense as follows:

	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Depreciation expense	$	26,495	$	22,701	$	74,992	$	64,352

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8. Goodwill and Other Acquisition-Related Intangible Assets

The Company is required to perform an impairment analysis on its goodwill at least annually, or when events and circumstances warrant. Conditions that would trigger an impairment assessment, include, but are not limited to, a significant adverse change in legal factors or in the business climate that could affect the value of an asset or an adverse action or assessment by a regulator. The Company is considered one reporting unit. When the Company performed this test in 2012, the Company elected to use the two-step goodwill impairment test. Therefore, to determine whether goodwill may be impaired, the Company compares its book value to its market capitalization. If the trading price of the Company’s common stock, as adjusted for factors such as a control premium, is below the book value per share at the date of the annual impairment test or if the average trading price of the Company’s common stock is below book value per share for a sustained period, a goodwill impairment test will be performed by comparing book value to estimated market value. If the comparison of book value to estimated market value indicates impairment, then the Company compares the estimated market value of goodwill to its carrying amount in a manner similar to a purchase price allocation for a business combination. If the carrying amount of goodwill exceeds its estimated market value, an impairment loss is recognized equal to that excess.

Unless indicators warrant testing at an earlier date, the Company performs its annual goodwill impairment test in the fourth quarter of each year. During the nine months ended September 28, 2013, there were no impairments recorded.

Information regarding the Company’s acquisition-related intangible assets is as follows:

		September 28, 2013							December 31, 2012
	Useful Life (Years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Goodwill		$	13,790	$	—		$	13,790	$	4,391	$	—		$	4,391
Amortizing intangible assets
In process research and development	3 - 5	1,779		(973		)	806		1,779		(658		)	1,121
Patents, trademarks and other	4 - 15	62,843		(39,498		)	23,345		55,743		(34,551		)	21,192
		64,622		(40,471		)	24,151		57,522		(35,209		)	22,313
Non-amortizing intangible assets
In process research and development		850		—			850		850		—			850
Total intangible assets		65,472		(40,471		)	25,001		58,372		(35,209		)	23,163
Total goodwill and intangible assets		$	79,262	$	(40,471	)	$	38,791	$	62,763	$	(35,209	)	$	27,554

Amortizing in process research and development represents acquired research and development assets that have reached technological feasibility. Amortization expense related to intangible assets is as follows:

	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Amortization expense	$	1,730	$	1,649	$	5,262	$	4,805

The changes in the carrying amount of goodwill and intangible assets are as follows:

	Goodwill and Intangible Assets
	Goodwill		In process research and development- non-amortizing		In process research and development- amortizing		Patents, trademarks and other		Total
Balance as of December 31, 2012	$	4,391	$	850	$	1,779	$	55,743	$	62,763
Additions during the period	9,399		—		—		7,100		16,499
Balance as of September 28, 2013	$	13,790	$	850	$	1,779	$	62,843	$	79,262

During the third quarter of 2013, the Company completed the acquisition of CAP Wireless ("CAP") a producer of Spatium™ broadband amplifiers, which resulted in the recognition of net tangible assets of $16, and several intangible assets including developed technology for $5,000, customer relationships for $1,500, tradenames for $600, net deferred tax liabilities

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of $1,665 and goodwill for $9,399. Total consideration of $14,850 was paid with a combination of cash and Company stock. The developed technology, customer relationship and tradename assets will be amortized over a period of 3 to 14 years. The Company has estimated the fair value of the identifiable intangible assets, which are subject to amortization, using a cash flow based approach discounted with a market discount rate. The estimated fair value of these assets is classified as a Level 3 measurement within the fair-value hierarchy. The goodwill is not deductible for tax purposes. The goodwill is calculated as the purchase price in excess of the fair value of assets and liabilities acquired, and represents the Company’s ability to expand its product line into solid state amplifiers, a high margin high growth market currently underserved by the Company. The Company did not have a similar acquisition during the nine months ended September 29, 2012.

9. Credit Facility

On September 30, 2010, the Company, the domestic subsidiaries of the Company (the “Guarantors”), Bank of America, N.A., as administrative agent and lender, and Union Bank, N.A., Wells Fargo Bank, N.A., Bank of the West, BBVA Compass Bank and US Bank, as lenders (together with the administrative agent, the “Lenders”), entered into a Credit Agreement (the “Agreement”). The Agreement provides the Company with a three-year unsecured revolving syndicated credit facility of $200,000 maturing on September 30, 2013. On August 24, 2011, the Company extended, with the Lenders' consent, the maturity date to September 30, 2014. The Company’s obligations under the Agreement are jointly and severally guaranteed by the Guarantors. Upon the occurrence of certain events of default specified in the Agreement, amounts due under the Agreement may be declared immediately due and payable.

The Company may elect to borrow at either a Eurodollar Rate or a Base Rate (each as defined in the Agreement). Eurodollar Rate loans bear interest at an amount equal to the sum of a rate per annum calculated from the British Bankers Association London Interbank Offered Rate ("LIBOR") plus a designated percentage per annum (the “Applicable Rate”). The Applicable Rate for Eurodollar Rate loans is based on the Company’s consolidated total leverage ratio (as defined in the Agreement) and is subject to a floor of 2.50% per annum and a cap of 3.00% per annum. Base Rate loans bear interest at a rate equal to the higher of the federal funds rate plus 0.50%, the prime rate of Bank of America, N.A. plus the Applicable Rate or the Eurodollar Base Rate plus 1.0%. The Applicable Rate for Base Rate loans is subject to a floor of 1.50% per annum and a cap of 2.00% per annum. The interest payment date (as defined in the Agreement) will vary based on the type of loan but generally will be quarterly. The Company paid commitment fees, an arrangement fee, upfront fees and a renewal fee pursuant to the terms of the Agreement. The Company will also pay a quarterly fee for any letters of credit issued under the Agreement. The initial fees associated with the Agreement were capitalized and are being amortized to interest expense using the straight-line method over the remaining term to maturity.

The Agreement contains non-financial covenants of the Company and the Guarantors, including restrictions on the ability to create, incur or assume liens and other debt, make certain investments, dispositions and restricted payments, change the nature of the business, and merge with other entities subject to certain caps as defined in the agreement. The Agreement requires the Company to maintain ratios defined in the Agreement, which include a consolidated total leverage ratio as of the end of any fiscal quarter not in excess of 2.50 to 1.00, a consolidated liquidity ratio of at least 1.25 to 1.00 and a consolidated interest coverage ratio at a minimum of 3.00 to 1.00. The Company was in compliance with these covenants as of September 28, 2013.

At September 28, 2013 and December 31, 2012 there were no amounts outstanding under the Agreement. During the three and nine months ended September 28, 2013, the average outstanding balance under the Agreement was $12,967 and $4,502, respectively. During the three and nine months ended September 28, 2013, interest cost of $118 and $121, respectively, was incurred on borrowings. No interest cost was incurred on borrowings during the three or nine months ended September 29, 2012.

10. Stock-Based Compensation

Stock-based compensation expense consists of compensation costs related to grants of stock options, RSUs, MSUs and the ESPP. The table below summarizes the stock-based compensation expense for the three and nine months ended September 28, 2013 and September 29, 2012:

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	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Stock-based compensation expense:
Cost of goods sold	$	1,720	$	2,549	$	5,327	$	6,477
Research, development and engineering	2,802		2,226		7,897		6,914
Selling, general and administrative	2,391		2,589		7,905		8,228
Total stock-based compensation expense included in net income (loss) from operations	$	6,913	$	7,364	$	21,129	$	21,619

Stock Options

The following table summarizes the Company’s stock option transactions for the nine months ended September 28, 2013:

	Nine Months Ended
	September 28, 2013
	Shares		Weighted-average exercise price per share
Outstanding at December 31, 2012	33,241		$	6.56
Granted	7,015		5.86
Exercised	(2,435	)	4.59
Forfeited	(1,190	)	7.27
Outstanding at September 28, 2013	36,631		$	6.53

Restricted Stock Units

During the three and nine months ended September 28, 2013, the Company granted RSUs to non-executive employees under the stockholder approved 2013 Incentive Plan. RSUs are converted into shares of Company common stock upon vesting on a one-for-one basis. The awards typically vest over four years and vesting is subject to the grantee’s continued service with the Company. In the event of a Change in Control, all outstanding RSUs will become fully vested. The compensation expense related to the service-based RSU awards is determined using the fair market value of Company common stock on the date of the grant, and the compensation expense, reduced by estimated forfeitures, is recognized over the vesting period.

The following table summarizes RSU activity during nine months ended September 28, 2013:

	Nine Months Ended
	September 28, 2013
	Shares	Weighted-average exercise price per share
Outstanding at December 31, 2012	—	—
Granted	100	$	7.76
Outstanding at September 28, 2013	100	$	7.76

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Market-Based Restricted Stock Units

During the nine months ended September 28, 2013, the Company granted MSUs to certain members of executive management. The number of shares that are ultimately awarded is contingent upon the achievement of pre-determined market and service conditions. Market conditions must be met for shares to be awarded, even if the service conditions are met. Fair value of the awards is determined at the grant date based on the target number of awards ultimately expected to be awarded. Compensation expense associated with the awards is calculated based on the target number of shares ultimately expected to be awarded and is recognized on a straight line basis over the requisite service period and will not be reversed even if the market conditions are not met. The number of shares of common stock to be awarded will range from zero to 150 percent of the target number of stock units based on the Company's total stockholder return (“TSR”) relative to the performance of companies in the SPDR S&P Semiconductor Index ("SPDR") for each measurement period. TSR is calculated based on market performance between the beginning and end of the award period, generally over three years. Based on the number of awards outstanding during the three and nine months ended September 28, 2013, the maximum number of shares of common stock that could be awarded is 299 shares.

The fair value of the MSUs was determined using a Monte Carlo simulation model. The Monte Carlo simulation model is affected by assumptions regarding subjective and complex variables. Generally, the Company's assumptions are based on historical information and judgment is required to determine if historical trends may be indicators of future outcomes. Key assumptions for the Monte Carlo simulation model were as follows:

	Three Months Ended			Nine Months Ended
	September 28, 2013		September 29, 2012	September 28, 2013		September 29, 2012
Risk free interest rates	0.4	%	—	0.4	%	—
Expected dividend yield	—		—	—		—
Expected volatility	56.2	%	—	56.2	%	—
Correlation coefficient to SPDR	0.59		—	0.59		—

In the following table, MSU activity during the nine months ended September 28, 2013 is presented at 100 percent of the target number of shares of common stock that may potentially be awarded:

	Nine Months Ended
	September 28, 2013
	Shares	Weighted-average grant date fair value
Outstanding at December 31, 2012	—	$	—
Granted	199	7.45
Outstanding at September 28, 2013	199	$	7.45

ESPP

Employees participating in the ESPP authorize the Company to withhold compensation and to use the withheld amounts to purchase shares of the Company's common stock at a discount.

The table below summarizes the ESPP common stock purchases for the three and nine months ended September 28, 2013 and September 29, 2012.

	Three Months Ended		Nine Months Ended
	September 28, 2013	September 29, 2012	September 28, 2013	September 29, 2012
Shares purchased	—	—	1,872	1,770

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11. Income Taxes

The Company recorded income tax expense of $4,137 and an income tax benefit of $6,119 for the three and nine months ended September 28, 2013, respectively. For the three and nine months ended September 29, 2012, the Company recorded income tax expense of $5,139 and an income tax benefit of $5,104, respectively. The income tax expense for the three months ended September 28, 2013 was primarily associated with U.S. federal and state income taxes due to the mix of profits and losses between jurisdictions. The income tax benefit for the nine months ended September 28, 2013 was primarily the result of the Company's pre-tax loss, the recognition of U.S. federal tax credits, and equity compensation deductions. The income tax expense for the three months ended September 29, 2012 was primarily associated with U.S. federal and state income taxes due to the mix of profits and losses between jurisdictions and the recognition of additional valuation allowance. The income tax benefit for the nine months ended September 29, 2012 was primarily associated with the Company's pre-tax loss offset by an accrual for unrecognized tax benefits and the recognition of additional valuation allowance.

In January 2013, the American Taxpayer Relief Act of 2012 was signed into law, retroactively reinstating the Research and Experimental ("R&E") tax credit for 2012 and through 2013. The expected benefit for 2012 of approximately $4,045 was recorded during the three months ended March 30, 2013.

No provision has been made for U.S., state or additional foreign income taxes related to approximately $104,497 of undistributed earnings of foreign subsidiaries which have been permanently reinvested outside of the United States, except for liquidating foreign entities and existing earnings that have been previously taxed. It is not practicable to determine the U.S. federal income tax liability, if any, which would be payable if such earnings were not permanently reinvested outside of the United States. In the event the foreign subsidiaries repatriate these earnings, which would generally require board approval, the earnings may be subject to additional U.S. federal and state income taxes and foreign withholding taxes. The additional taxes could be partially offset by net operating losses and/or foreign tax credits.

The major jurisdictions in which the Company files tax returns are the United States, Singapore and Costa Rica. In 2012, the Company expanded its presence into Asia by increasing operations in Singapore. Tax years beginning in 2006 are subject to examination by taxing authorities, although net operating losses ("NOL") and credit carryforwards from all years are subject to examinations and adjustments for at least three years following the year in which the attributes are used.

Due to agreements with the Costa Rican and Singaporean governments, the Company was granted income tax holidays of varying rates through March 2017 and December 2019, respectively. Incentives from these countries are subject to the Company meeting certain employment and investment requirements. The Company was in compliance with these requirements as of September 28, 2013.

Deferred Income Taxes

As of September 28, 2013, deferred tax assets of $75,220, net of a $15,558 valuation allowance, were recorded on the balance sheet. As of December 31, 2012, the Company recorded deferred tax assets of $69,715, net of a $14,518 valuation allowance. The Company records a valuation allowance to reduce deferred tax assets to the amount that is believed more-likely-than-not to be realized. The Company maintains a valuation allowance against the tax effect of certain state and foreign net operating loss carryforwards and certain state credit carryforwards, as management does not believe it is more likely than not that these benefits will be realized in future periods.

Unrecognized Tax Benefits

In the nine months ended September 28, 2013, net unrecognized tax benefits increased $1,261 primarily as a result of an additional liability recorded to address existing potential exposures involving positions that could be challenged by taxing authorities. The Company does not anticipate the release of any unrecognized tax benefits due to the expiration of statutes of limitations within the next twelve months. Interest and penalties associated with unrecognized tax benefits are accrued and classified as a component of tax expense in the statement of operations and comprehensive loss.

Net unrecognized tax benefits at September 28, 2013 and December 31, 2012 were as follows:

	September 28, 2013		December 31, 2012
Net unrecognized tax benefits	$	4,070	$	2,809

12. Commitments and Contingencies

Legal Matters

The Company is from time to time involved in litigation, certain other claims and arbitration matters arising in the ordinary course of its business. The Company accrues for a liability when it is both probable that a liability has been incurred

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and the amount of the loss can be reasonably estimated.  Significant judgment is required in both the determination of the probability of a loss and the determination as to whether a loss is reasonably estimable. These accruals are reviewed at least quarterly and adjusted to reflect the effects of negotiations, settlements, rulings, advice of legal counsel and technical experts and other information and events pertaining to a particular matter.  To the extent there is a reasonable possibility (within the meaning of FASB Accounting Standards Codification ("ASC") 450) that losses could exceed amounts already accrued, if any, and the additional loss or range of loss is able to be estimated, management discloses the additional loss or range of loss.

In some instances, the Company is unable to reasonably estimate any potential loss or range of loss. The nature and progression of litigation can make it difficult to predict the impact a particular lawsuit will have on the Company.  There are many reasons that the Company cannot make these assessments, including, among others, one or more of the following:  the early stages of a proceeding; damages sought that are unspecified, unsupportable, unexplained or uncertain; discovery not having been started or incomplete; the complexity of the facts that are in dispute; the difficulty of assessing novel claims; the parties not having engaged in any meaningful settlement discussions; the possibility that other parties may share in any ultimate liability; and/or the often slow pace of litigation.

13. Investment in CyOptics, Inc.

In previous years, the Company made a number of investments in small, privately held technology companies in which the Company has held less than 20% of the capital stock or held notes receivable. As a result of the sale of the Company's former optoelectronics operations, the Company received as partial consideration $4,500 of preferred stock and an unsecured promissory note from CyOptics Inc. ("CyOptics") for $5,633. In years prior to 2012, the carrying amount of the CyOptics investment was fully impaired and written down to $0. During the nine months ended September 29, 2012, the remaining amount due on the promissory note was settled in full and the preferred stock was sold in exchange for an initial liquidation payment of $6,957 and an escrow holdback contingent upon certain conditions. The initial liquidation payment was received in cash in March, 2012. The final liquidation payment of $421 from the escrow holdback account was received in cash in May, 2013. Both of the liquidation transactions were recorded as a gain/recovery of investment in the statement of operations and in the operating activities section of the statement of cash flows. The cash proceeds from both of the payments were included in the investing activities section of the statement of cash flows.

14. Stock Repurchase Program

On May 13, 2013, the Company's Board of Directors approved a stock repurchase program authorizing the purchase, at the discretion of management, of up to $75,000 of the Company's outstanding common stock. Common stock repurchases may be made from time to time in the open market at prevailing market prices or through privately negotiated transactions. The timing of open market and privately negotiated purchases will be dependent upon market conditions and other corporate considerations, including price, corporate and regulatory requirements and alternative investment opportunities. The Company expects to use available cash to fund the repurchase program. Shares of common stock repurchased by the Company through the repurchase program will be retired and will have no impact on total shares authorized.

During the nine months ended September 28, 2013 and September 29, 2012, the Company repurchased 7,670 and 4,879 shares for $51,125 and $25,000, respectively, using available cash.

15. Subsequent Events

On October 14, 2013, management approved plans to dispose of assets relating to a reduction of gallium arsenide ("GaAs") capacity. In the fourth quarter of 2013, the Company will record a loss on disposal for the difference between the carry value of the assets and proceeds upon disposal, less costs to sell. The loss is expected to be between $20,000 and $25,000.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

Introduction

You should read the following discussion and analysis in conjunction with our condensed consolidated financial statements and the related notes thereto included in this Report on Form 10-Q and with Management’s Discussion and Analysis of Financial Condition and Results of Operations contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012. The discussion in this Report contains forward-looking statements, including statements regarding projected working capital and capital expenditures, potential investment needs, our expectations about reinvestment of foreign earnings, settlement of long-term income tax liability, funding of our stock repurchase program, anticipated customer needs, our expectation regarding delays in customer spending, and other statements preceded by terminology such as “believes,” “continue,” “could,” “estimates,” “expects,” “goal,” “hope,” “intends,” “may,” “our future success depends,” “plans,” “potential,” “predicts,” “projects,” “reasonably,” “should,” “thinks,” “will” or the negative of these terms or other comparable terminology. These statements are only predictions. A number of factors affect our operating results and could cause our actual future results to differ materially from any forward-looking statements made below, including those related to demand and growth in the wireless mobile devices, networks and defense & aerospace markets and our ability to take advantage of that growth; the ability to enter into defense & aerospace contracts; department of defense spending levels and the degree to which we may be affected by particular defense spending; uncertainty in federal defense budgets;the pace at which we release new products to support the defense & aerospace end market; the ability to diversify our customer base; our ability to achieve scale through targeted growth and continue to offer a diversified product portfolio to customers in our primary end markets;transitions in the mobile devices market including concentration of revenue in the handset market, continued growth of smartphones, shifts in end market demand to top smartphone suppliers, and growth in data traffic outpacing the capability of the existing infrastructure worldwide; strong growth in demand for our optical products; our ability to achieve positive operating results; expected operating expenses, gross margins, and per share earnings; transactions affecting liquidity and our ability to satisfy our projected expenditures through the next twelve months; factory utilization levels; and other factors and risks referenced in this Report on Form 10-Q and in Item 1A of Part II of the Company’s Annual Report on Form 10-K for the year ended December 31, 2012 entitled “Risk Factors.” In addition, historical information should not be considered an indicator of future performance.

Although we believe that the expectations reflected in the forward-looking statements are reasonable, we do not guarantee future results, levels of activity, performance or achievements. Moreover, we do not intend to update any of the forward-looking statements after the date of this Report on Form 10-Q to conform these statements to actual results. These forward-looking statements are made in reliance upon the safe harbor provision of The Private Securities Litigation Reform Act of 1995.

Overview

TriQuint Semiconductor, Inc. provides a comprehensive portfolio of advanced, high-performance radio frequency ("RF") solutions. We are a high-volume supplier of both active and passive technologies. We design, develop and manufacture these high-performance power amplifier, switch and filter modules in-house and provide them to the broad market, uniquely integrating many of the world's most advanced RF solutions to deliver solid customer value. We have built core competencies in gallium arsenide ("GaAs"), gallium nitride ("GaN"), surface acoustic wave ("SAW") and bulk acoustic wave ("BAW") technologies. We reach further, with solutions that boost performance and extend range while reducing size and bill of materials. We reach faster, utilizing our broad technology portfolio to simplify complex RF challenges and allow our customers better time to market.

We serve customers worldwide in three primary end markets: mobile devices, networks, and defense & aerospace. Our mission is to deliver RF solutions that improve performance and lower the overall cost of our customers' applications. Our strategies to achieve this mission are to drive innovation and integration, ensure we serve a complementary and diverse set of markets, achieve scale through targeted growth and continue to offer a diversified product portfolio to customers in our primary end markets. In the mobile devices end market, we provide high performance devices such as integrated modules, RF filters, duplexers, small signal components, power amplifiers and switches. In the networks end market, we are a supplier of an extensive portfolio of GaAs microwave monolithic integrated circuits and transistors and SAW and BAW filter components. We provide the defense & aerospace end market with phased-array radar, communications and electronic warfare components and have been recognized as a leader in GaN development.

Wafer and semiconductor manufacturing facilities require a significant level of fixed costs due to investments in plant and equipment, labor costs and repair and maintenance costs. During periods of high demand, factories run at higher utilization rates, generally resulting in improved financial performance. As the overall RF market has grown in recent years, with continuing desire for content expansion in smartphones, demand increased for our products. In response, we increased capital

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expenditures in order to add capacity to our factories. Now with the increased capacity installed, higher fixed manufacturing costs adversely affect operating results when factories are not fully utilized.

Highlights for the Nine Months Ended September 28, 2013

Revenue increased 5% for the nine months ended September 28, 2013 compared to the nine months ended September 29, 2012.

Mobile devices represents the largest of our three major end markets. Revenue from the sales of our products in the mobile devices end market for the nine months ended September 28, 2013 increased 4% compared to the nine months ended September 29, 2012. The increase was primarily due to an increase in sales to our largest customer. We have strategically invested in premium filters, wafer level packaging and copper flip. We believe our investments will be critical to solve our customers' problems with crowded spectrum and constrained board space as LTE demand increases.

Revenue from sales of our products in the networks end market decreased 4% for the nine months ended September 28, 2013 compared to the nine months ended September 29, 2012. This decrease was driven by a reduction in non-strategic foundry revenue and a decrease in sales of optical products. Growth in data traffic, in the form of streaming video, location services, machine to machine communications and social networking continues to drive infrastructure changes worldwide. The proliferation of these connections requires billions of terabytes of electronic data to move around the globe and traffic continues to expand at an unprecedented rate. This creates demand for TriQuint products to support the continuing evolution of new frequency spectrum allocations, relieve the issues seen with spectrum interference and enable higher throughput networks for upgrade and build-out of the worldwide wireless and fiber networks.

Revenue from sales of our products in the defense & aerospace end market increased 28% for the nine months ended September 28, 2013 compared to the nine months ended September 29, 2012 due to growth in revenue from increased content in radar systems and sale of more radar products. Our revenue in this market is dependent on program timing, which can result in swings from quarter to quarter. With the current uncertainty over federal defense budgets, we are seeing some delays in spending from our customers. Overall, however, we do not anticipate these delays to impact the larger programs we support, such as the Joint Strike Fighter, TPQ-53 and radar upgrade programs targeting the large domestic and international fleets of F16s and F/A18s. We continue to accelerate the release of new products to support this market.

Critical Accounting Policies and Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires us to make certain estimates, judgments and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. Some of our accounting policies require us to make difficult and subjective judgments, often as a result of the need to make estimates of matters that are inherently uncertain. The accounting policies involve critical accounting estimates because they are particularly dependent on estimates and assumptions made by management about matters that are highly uncertain at the time the accounting estimates are made. Although we have used our best estimates based on facts and circumstances available to us at the time, different estimates reasonably could have been used. Changes in the accounting estimates we use are reasonably likely to occur from time to time, which may have a material effect on the presentation of our financial condition and results of operations.

Our most critical accounting estimates include revenue recognition; valuation of inventory, which affects gross margin; accounting for income taxes; precious metals reclaim, which affects cost of goods sold and stock-based compensation, which affects cost of goods sold and operating expenses. We also have other policies that we consider to be key accounting policies, such as the valuation of accounts receivable and reserves for sales returns and allowances. However, these policies either do not meet the definition of critical accounting estimates described above or are not currently material items in our financial statements. We review our estimates, judgments, and assumptions periodically and reflect the effects of revisions in the period in which they are deemed to be necessary. We believe that these estimates are reasonable; however, actual results could differ from these estimates.

We updated our critical accounting policy for stock-based compensation during the nine months ended September 28, 2013 to include our accounting for restricted stock units ("RSUs") and market-based restricted stock units ("MSUs"), which is described below. For further discussion of our remaining critical accounting policies and estimates, see Management's Discussion and Analysis of Financial Condition and Results of Operations-Critical Accounting Policies and Estimates contained in our Annual Report on Form 10-K for the year ended December 31, 2012.

Restricted Stock Units

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During the three and nine months ended September 28, 2013, we granted RSUs to non-executive employees under our stockholder approved 2013 Incentive Plan. RSUs are converted into shares of TriQuint common stock upon vesting on a one-for-one basis. The awards typically vest over four years and vesting is usually subject to the grantee’s continued service with us. In the event of a change in control, all outstanding RSUs will become fully vested. The compensation expense related to the service-based RSU awards is determined using the fair market value of TriQuint common stock on the date of the grant, and the compensation expense, reduced by estimated forfeitures, is recognized over the vesting period.

Market-Based Restricted Stock Units

During the nine months ended September 28, 2013, we granted MSUs to certain members of executive management. The number of shares of common stock to be awarded will range from zero percent to 150 percent of the target number of stock units based on our total stockholder return (“TSR”) relative to the performance of companies in the SPDR S&P Semiconductor Index ("SPDR") for each measurement period. TSR is calculated based on market performance between the beginning and end of the award period, generally over three years. The fair value of the MSUs was determined using a Monte Carlo simulation model. Key assumptions for the Monte Carlo simulation model are the risk-free interest rate, expected volatility, expected dividends and correlation coefficient. The determination of the fair value of MSUs is affected by assumptions regarding subjective and complex variables. Generally, our assumptions are based on historical information and judgment is required to determine if historical trends may be indicators of future outcomes. Employee stock-based compensation expense for MSUs is calculated based on the target number of shares ultimately expected to be awarded and is recognized using a straight-line approach over the service period.

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Results of Operations

The following table sets forth the results of our operations expressed as a percentage of revenue for the three and nine months ended September 28, 2013 and September 29, 2012:

	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Revenue	100.0	%	100.0	%	100.0	%	100.0	%
Cost of goods sold	63.2		69.3		70.0		71.6
Gross profit	36.8		30.7		30.0		28.4
Operating expenses:
Research, development and engineering	18.7		20.3		22.4		19.4
Selling, general and administrative	10.6		13.1		12.7		14.6
Total operating expenses	29.3		33.4		35.1		34.0
Income (loss) from operations	7.5		(2.7	)	(5.1	)	(5.6	)
Other (expense) income:
Interest income	0.0		0.0		0.0		0.0
Interest expense	(0.5	)	(0.3	)	(0.6	)	(0.2	)
Recovery of investment	—		—		0.1		1.2
Other, net	0.0		0.0		(0.1	)	0.0
Total other (expense) income, net	(0.5	)	(0.3	)	(0.6	)	1.0
Income (loss) before income tax	7.0		(3.0	)	(5.7	)	(4.6	)
Income tax expense (benefit)	1.6		2.6		(1.0	)	(0.8	)
Net income (loss)	5.4	%	(5.6	)%	(4.7	)%	(3.8	)%

Three Months Ended September 28, 2013 and September 29, 2012

Revenue from Operations

Revenue increased $50.0 million, or 25%, for the three months ended September 28, 2013 compared to the three months ended September 29, 2012.

Revenue by end market for the three months ended September 28, 2013 and September 29, 2012, was as follows:

(in millions)	Three Months Ended
	September 28, 2013		September 29, 2012
Mobile Devices	$	180.8	$	127.0
Networks	40.4		49.8
Defense & Aerospace	29.6		24.0
Total	$	250.8	$	200.8

Mobile Devices

Revenue from the sales of our products in the mobile devices end market increased approximately 42% for the three months ended September 28, 2013 compared to the three months ended September 29, 2012 primarily as a result of increased revenue from sales of our 3G/4G and wireless local area networks ("WLAN") products, partially offset by decreased revenue from our 2G products. Revenue from the sales of our products in the three primary submarkets of the mobile devices end market was as follows:

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(in millions)	Three Months Ended
	September 28, 2013		September 29, 2012
3G/4G	$	148.6	$	102.8
2G	3.1		4.7
WLAN	29.1		19.5
Total	$	180.8	$	127.0

Networks

Revenue from the sales of our products in the networks end market decreased approximately 19% for the three months ended September 28, 2013 compared to the three months ended September 29, 2012. The decrease was primarily due to decreased sales of our radio access and transport products, partially offset by increased revenue from the sales of our multi market products. Revenue from the sales of our products in the three primary submarkets of the networks end market was as follows:

(in millions)	Three Months Ended
	September 28, 2013		September 29, 2012
Radio Access	$	16.7	$	17.8
Transport	16.1		25.0
Multi-market	7.6		7.0
Total	$	40.4	$	49.8

Defense & Aerospace

Revenue from the sales of our products in the defense & aerospace end market increased approximately 23% for the three months ended September 28, 2013 compared to the three months ended September 29, 2012, due primarily to the timing of programs and increased content for some programs.

Significant Customers

For the three months ended September 28, 2013 and September 29, 2012, sales to Foxconn Technology Group accounted for 35% and 31% of our revenue, respectively. For the three months ended September 28, 2013, sales to Protek (Shanghai) Limited accounted for 13% of our revenue. While we strive to maintain a strong relationship with our customers, our customers' product life cycles typically are short because they continually develop new products. The selection process for our products to be included in our customers' new products is highly competitive. There are no guarantees that our products will be included in the next generation of products introduced by Foxconn Technology Group, Protek or our other customers. Any significant loss of, or a significant reduction in purchases by these, or other significant customers, could have an adverse affect on our financial condition and results of operations.

Some of our mobile devices end customers use multiple subcontractors for product assembly and test and some of those subcontractors have multiple customers. Therefore, revenues from our customers may not necessarily equal the business of a single mobile devices end customer.

Gross Profit

Our gross profit as a percentage of revenue increased to 36.8% for the three months ended September 28, 2013, from 30.7% for the three months ended September 29, 2012. The increase in gross profit was primarily the result of higher revenue and higher factory utilization.

Operating expenses

Research, development and engineering

Our research, development and engineering expenses for the three months ended September 28, 2013 increased $6.2 million, or 15% compared to the three months ended September 29, 2012. The increase was primarily the result of higher salary and related expenses associated with a higher headcount and increased spending on material to develop new products.

Selling, general and administrative

Selling, general and administrative expenses were relatively flat for the three months ended September 28, 2013 compared to the three months ended September 29, 2012 with an increase of $0.2 million, or 1%.

19

Other (expense) income, net

Other expense, net for the three months ended September 28, 2013 increased $0.5 million, or 84%, compared to the three months ended September 29, 2012. The increase was primarily the result of higher interest expense charges incurred for borrowings on our credit facility and accretion on contingent consideration.

Income tax benefit

We incurred income tax expense of $4.1 million and $5.1 million for the three months ended September 28, 2013 and September 29, 2012, respectively. The income tax expense for the three months ended September 28, 2013 was primarily the result of U.S. federal and state income taxes due to the mix of profits and losses between jurisdictions. The income tax expense for the three months ended September 29, 2012 was primarily associated with U.S. federal and state income taxes due to the mix of profits and losses between jurisdictions and the recognition of additional valuation allowance.

Nine Months Ended September 28, 2013 and September 29, 2012

Revenue from Operations

Revenue increased $29.5 million, or 5%, for the nine months ended September 28, 2013 compared to the nine months ended September 29, 2012.

Revenue by end market for the nine months ended September 28, 2013 and September 29, 2012, was as follows:

(in millions)	Nine Months Ended
	September 28, 2013		September 29, 2012
Mobile Devices	$	404.2	$	387.7
Networks	137.2		142.3
Defense & Aerospace	83.7		65.6
Total	$	625.1	$	595.6

Mobile Devices

Revenue from the sales of our products in the mobile devices end market increased approximately 4% for the nine months ended September 28, 2013 compared to the nine months ended September 29, 2012 primarily as a result of increased revenue from sales of our 3G/4G and wireless local area networks ("WLAN") products, partially offset by decreased revenue from our 2G products. Revenue from the sales of our products in the three primary submarkets of the mobile devices end market was as follows:

(in millions)	Nine Months Ended
	September 28, 2013		September 29, 2012
3G/4G	$	315.6	$	309.2
2G	8.7		18.3
WLAN	79.9		60.2
Total	$	404.2	$	387.7

Networks

Revenue from the sales of our products in the networks end market decreased approximately 4% for the nine months ended September 28, 2013 compared to the nine months ended September 29, 2012. The decrease was primarily due to lower sales of our transports products. Revenue from the sales of our products in the three primary submarkets of the networks end market was as follows:

20

(in millions)	Nine Months Ended
	September 28, 2013		September 29, 2012
Radio Access	$	49.8	$	47.9
Transport	62.8		72.5
Multi-market	24.6		21.9
Total	$	137.2	$	142.3

Defense & Aerospace

Revenue from the sales of our products in the defense & aerospace end market increased approximately 28% for the nine months ended September 28, 2013 compared to the nine months ended September 29, 2012, due primarily to the timing of programs and increased content for some programs.

Significant Customers

For the nine months ended September 28, 2013 and September 29, 2012, sales to Foxconn Technology Group accounted for 28% and 31% of our revenue, respectively.

Gross Profit

Our gross profit as a percentage of revenue increased to 30.0% for the nine months ended September 28, 2013, from 28.4% for the nine months ended September 29, 2012. The increase in gross profit was primarily the result of higher revenue, coupled with higher factory utilization and better yields.

Operating expenses

Research, development and engineering

Our research, development and engineering expenses for the nine months ended September 28, 2013 compared to the nine months ended September 29, 2012 increased $24.2 million, or 21%. The increase was primarily the result of higher salary and related expenses associated with a higher headcount and increased spending on material to develop new products.

Selling, general and administrative

Selling, general and administrative expenses decreased $7.0 million, or 8%, for the nine months ended September 28, 2013 compared to the nine months ended September 29, 2012 due primarily to lower litigation costs.

Other (expense) income, net

Other expense, net was $3.2 million for the nine months ended September 28, 2013 compared to other income, net of $6.0 million for the nine months ended September 29, 2012. This fluctuation was primarily the result of the $7.0 million gain/recovery on the sale of a previously impaired investment recorded in the nine months ended September 29, 2012.

Income tax expense

We recorded an income tax benefit of $6.1 million and $5.1 million for the nine months ended September 28, 2013 and September 29, 2012, respectively. The income tax benefit for the nine months ended September 28, 2013 was primarily the result of our pre-tax loss and the recognition of U.S. federal tax credits. The income tax benefit for the nine months ended September 29, 2012 was primarily associated with our pre-tax loss, offset by an accrual for unrecognized tax benefits and the recognition of additional valuation allowance.

Liquidity and Capital Resources

Liquidity

As of September 28, 2013, our cash, cash equivalents and short-term marketable securities decreased $112.1 million, or 81%, from December 31, 2012, primarily as a result of repurchasing 7.7 million shares of our common stock for $51.1 million and capital expenditures of $78.0 million. Other related changes at September 28, 2013 compared to December 31, 2012 were:

• Our accounts receivable balance increased $41.3 million, or 31%, primarily due to increased shipment activity late in the period.

• Our inventories balance increased by $37.3 million, or 27%, in anticipation of increased demand.

21

• Our deferred tax assets increased $5.5 million, or 8%. Of the total deferred tax assets of $75.2 million as of September 28, 2013, $12.1 million were classified as current and $63.1 million were classified as noncurrent. The increase primarily resulted from the recognition of additional federal tax credits and net operating loss carryforwards related to our pre-tax loss.

• Our net property, plant and equipment increased $5.5 million, or 1%. Capital expenditures during the nine months ended September 28, 2013 of $78.0 million were primarily associated with the expansion of our BAW filter capacity. On October 14, 2013 management approved plans to dispose of assets relating to a reduction of GaAs capacity. In the fourth quarter of 2013, we will record a loss on disposal for the difference between the carry value of the assets and proceeds upon disposal, less costs to sell. The loss is expected to be between $20.0 million and $25.0 million.

• Our trade payables balance increased $12.2 million, or 19%, primarily due to increased purchasing activity related to production ramps in anticipation of increased demand.

Sources of Liquidity

Our current cash, cash equivalents and short-term investments balances, together with cash anticipated to be generated from operations and the balance available on our $200 million syndicated credit facility, constitute our principal sources of liquidity. We believe these sources will satisfy our projected expenditures through the next twelve months. We intend to permanently reinvest all foreign earnings except for those of liquidating foreign entities and existing earnings that have been previously taxed. As of September 28, 2013, cash and short-term investments held by our foreign entities amounted to $20.5 million. Management intends to utilize this balance to satisfy intercompany trade activity between our foreign entities and the U.S. company, which is entered into through the normal course of business, and not subject to additional U.S. income taxes or foreign withholding taxes. At this time, we believe our domestic funds, along with the syndicated credit facility, are sufficient to meet our net domestic cash requirements for the next twelve months. The principal risks to these sources of liquidity are lower than expected earnings or capital expenditures in excess of our expectations. In either of these cases we may be required to finance any shortfall through additional equity offerings, debt financing or credit facilities. We may not be able to obtain additional financing or credit facilities, or if these funds are available, they may not be available on satisfactory terms.

As of September 28, 2013, we had approximately $4.1 million of net unrecognized tax benefits, which are included as “Long-term income tax liability” in our consolidated balance sheets. We do not anticipate that settlement of the liabilities will require payment of cash within the next twelve months. Further, we are not able to reasonably estimate the timing of any cash payments required to settle these liabilities and do not believe that the ultimate settlement of these obligations will materially affect our liquidity.

On May 13, 2013, our board of directors approved a stock repurchase program authorizing the purchase, at the discretion of management, of up to $75 million of our outstanding common stock. We used available cash to fund the repurchase program. During the nine months ended September 28, 2013, we repurchased 7.7 million shares for $51.1 million.

Recent Accounting Pronouncements

See Note 2 of the Notes to Condensed Consolidated Financial Statements for a discussion of recent accounting pronouncements.

Off Balance Sheet Arrangements

As of September 28, 2013, we did not have any off balance sheet arrangements, as defined in Regulation S-K Item 303(a)(4). We did not have any relationships with unconsolidated entities or financial partnerships such as entities often referred to as structured finance or special purpose entities, which would have been established for the purpose of facilitating off-balance sheet arrangements or other contractually narrow or limited purposes. As such, we are not exposed to any financing, liquidity, market or credit risk that could arise if we had engaged in such relationships.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

Our investments in cash equivalents are classified as available-for-sale securities and consist of highly-rated, short-term investments, such as money market funds, in accordance with an investment policy approved by our Board of Directors. All of these investments are held at fair value. We do not hold or issue derivatives, derivative commodity instruments or other financial instruments for speculative trading purposes. The following table shows the fair value of our investments as of September 28, 2013 (in millions):

22

	Cost		Fair Value
Cash and cash equivalents	$	26.3	$	26.3
Short-term available-for-sale investments (including net unrealized gains of less than $0.1)	$	0.6	$	0.6

Foreign Currency Risk

We are exposed to currency exchange rate fluctuations because we sell our products internationally and have operations in Singapore, Costa Rica and Germany. We manage the foreign currency risk of our international sales and purchases of raw materials and equipment by denominating most transactions in U.S. dollars.

Item 4. Controls and Procedures

Evaluation of disclosure controls and procedures. We conducted an evaluation (pursuant to Rule 13a-15(b) of the Securities Exchange Act of 1934 (the “Exchange Act”)), under the supervision of and with the participation of management, including our chief executive officer and chief financial officer, of the effectiveness of our disclosure controls and procedures (as defined in Rule 13a-15(e)) as of the end of the period covered by this Quarterly Report on Form 10-Q. These disclosure controls and procedures are designed to ensure that information required to be disclosed in our reports that are filed or submitted under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms. Our disclosure controls and procedures include controls and procedures designed to ensure that this information is accumulated and communicated to management, including the principal executive and principal financial officers, or persons performing similar functions, as appropriate, to allow timely decisions regarding required disclosure. Based on this evaluation, our chief executive officer and chief financial officer have concluded that our disclosure controls and procedures were effective as of the end of the period covered by this Quarterly Report on Form 10-Q.

Changes in internal control over financial reporting. There was no change in our internal control over financial reporting (as defined in Rule 13a-15(f) of the Exchange Act) that occurred during the period covered by this Quarterly Report on Form 10-Q that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

23

Part II. OTHER INFORMATION

Item 1. Legal Proceedings

The information set forth above under Note 12 contained in the "Notes to the Condensed Consolidated Financial Statements" is incorporated herein by reference.

Item 1A. Risk Factors

There have been no material changes to our market risk exposures from the risk factors previously disclosed in our 2012 Annual Report on Form 10-K for the year ended December 31, 2012. For a discussion on our exposure to market risk, refer to Item 1A, Risk Factors, contained in our 2012 Annual Report on Form 10-K as filed with the SEC on February 26, 2013.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

In May 2013, our Board of Directors approved a stock repurchase program authorizing the purchase, at the discretion of management, of up to $75 million of our outstanding common stock, from time to time. No shares were repurchased during the three months ended September 28, 2013.

Item 6. Exhibits

10.7+	TriQuint Semiconductor, Inc. 2008 Inducement Award Plan (incorporated herein by reference to Exhibit 99.1 to the Registrant’s registration statement on form S-8, filed with the SEC on August 7, 2013)
31.1	Certification of Chief Executive Officer pursuant to Rule 13a—14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification of Chief Financial Officer pursuant to Rule 13a—14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32	Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes Oxley Act of 2002.
101.INS	XBRL Instance Document.
101.SCH	XBRL Taxonomy Extension Schema Document.
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB	XBRL Taxonomy Extension Label Linkbase Document.
101.PRE	XBRL Taxonomy Extension Label Linkbase Document.

______________

+ Management contract or compensatory plan

24

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	TRIQUINT SEMICONDUCTOR, INC.
Dated: November 6, 2013	By:	/s/    RALPH G. QUINSEY
		Ralph G. Quinsey President and Chief Executive Officer
Dated: November 6, 2013	By:	/s/    STEVE BUHALY
		Steve Buhaly
		Vice President of Finance, Secretary and Chief Financial Officer

25

INDEX TO EXHIBITS

Exhibit Number	Description of Exhibit
10.7+	TriQuint Semiconductor, Inc. 2008 Inducement Award Plan (incorporated herein by reference to Exhibit 99.1 to the Registrant’s registration statement on form S-8, filed with the SEC on August 7, 2013).
31.1	Certification of Chief Executive Officer pursuant to Rule 13a—14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification of Chief Financial Officer pursuant to Rule 13a—14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32	Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes- Oxley Act of 2002.
101.INS	XBRL Instance Document.
101.SCH	XBRL Taxonomy Extension Schema Document.
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB	XBRL Taxonomy Extension Label Linkbase Document.
101.PRE	XBRL Taxonomy Extension Label Linkbase Document.

______________

+ Management contract or compensatory plan

26

EX-31.1

CERTIFICATION

I, Ralph G. Quinsey, certify that:

1. I have reviewed this quarterly report on Form 10-Q of TriQuint Semiconductor, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

/s/ RALPH G. QUINSEY

Ralph G. Quinsey

President and Chief Executive Officer

(Principal Executive Officer)

Date: November 6, 2013

EX-31.2

CERTIFICATION

I, Steve Buhaly, certify that:

1. I have reviewed this quarterly report on Form 10-Q of TriQuint Semiconductor, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

/s/ STEVE BUHALY

Steve Buhaly

Vice President of Finance,

Secretary and Chief Financial Officer

(Principal Financial and Accounting Officer)

Date: November 6, 2013

EX-32

CERTIFICATION PURSUANT TO SECTION

1350 OF CHAPTER 63 OF TITLE 18

OF THE UNITED STATES CODE AS

ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the filing of the Quarterly Report on Form 10-Q of TriQuint Semiconductor, Inc. (“TriQuint”) for the quarterly period ended September 28, 2013, as filed with the Securities and Exchange Commission on the date hereof (“the Report”), each of the undersigned officers of TriQuint, hereby certifies, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of TriQuint.

The undersigned have executed this Certification effective as of November 6, 2013.

/s/ RALPH G. QUINSEY

Ralph G. Quinsey

President and Chief Executive Officer

(Principal Executive Officer)

/s/ STEVE BUHALY

Steve Buhaly

Vice President of Finance,

Secretary and Chief Financial Officer

(Principal Financial and Accounting Officer)

XML

Commitments and Contingencies

9 Months Ended

Sep. 28, 2013

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Legal Matters

The Company is from time to time involved in litigation, certain other claims and arbitration matters arising in the ordinary course of its business. The Company accrues for a liability when it is both probable that a liability has been incurred and the amount of the loss can be reasonably estimated.  Significant judgment is required in both the determination of the probability of a loss and the determination as to whether a loss is reasonably estimable. These accruals are reviewed at least quarterly and adjusted to reflect the effects of negotiations, settlements, rulings, advice of legal counsel and technical experts and other information and events pertaining to a particular matter.  To the extent there is a reasonable possibility (within the meaning of FASB Accounting Standards Codification ("ASC") 450) that losses could exceed amounts already accrued, if any, and the additional loss or range of loss is able to be estimated, management discloses the additional loss or range of loss.

In some instances, the Company is unable to reasonably estimate any potential loss or range of loss. The nature and progression of litigation can make it difficult to predict the impact a particular lawsuit will have on the Company.  There are many reasons that the Company cannot make these assessments, including, among others, one or more of the following:  the early stages of a proceeding; damages sought that are unspecified, unsupportable, unexplained or uncertain; discovery not having been started or incomplete; the complexity of the facts that are in dispute; the difficulty of assessing novel claims; the parties not having engaged in any meaningful settlement discussions; the possibility that other parties may share in any ultimate liability; and/or the often slow pace of litigation.

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) (USD $)	Sep. 28, 2013	Dec. 31, 2012
Preferred stock, par value (dollars per share)	$ 1	$ 1
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Common stock, par value (dollars per share)	$ 1	$ 1
Common stock, shares authorized	600,000,000	600,000,000
Common stock, shares issued	158,263,000	160,611,000
Common stock, shares outstanding	158,263,000	160,611,000

XML

Net Loss Per Share

9 Months Ended

Sep. 28, 2013

Earnings Per Share [Abstract]

Net income (loss) per common share:

Net Income (Loss) Per Share

Net income (loss) per share is presented as basic and diluted net income (loss) per share. Basic net income (loss) per share is net income (loss) available to common stockholders divided by the weighted-average number of common shares outstanding. Diluted net income per share is similar to basic net income (loss) per share, except that the denominator includes potential common shares that, had they been issued, would have had a dilutive effect. Dilutive securities include options granted pursuant to the Company’s stock option plans, and potential shares related to Restricted Stock Units ("RSUs"), Market-Based Restricted Stock Units ("MSUs") and the Company’s Employee Stock Purchase Plan ("ESPP").

The following is a reconciliation of the basic and diluted shares:

	Three Months Ended					Nine Months Ended
	September 28, 2013		September 29, 2012			September 28, 2013			September 29, 2012
Net income (loss):	$	13,561	$	(11,246	)	$	(29,273	)	$	(22,413	)
Shares for net income (loss) per share:
Weighted-average shares outstanding—Basic	157,105		163,838			159,057			165,143
Dilutive securities	6,812		—			—			—
Weighted-average shares outstanding—Diluted	163,917		163,838			159,057			165,143

For the three months ended September 28, 2013, securities representing 8,851 potential shares were excluded from the calculation as their effect would have been antidilutive. For the nine months ended September 28, 2013 and the three and nine months ended September 29, 2012 all outstanding options and potential shares related to RSUs, MSUs and the ESPP were excluded from the calculation as their effect would have been antidilutive.

XML

Net Loss Per Share Earnings Per Share (Tables)

9 Months Ended

Sep. 28, 2013

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following is a reconciliation of the basic and diluted shares:

	Three Months Ended					Nine Months Ended
	September 28, 2013		September 29, 2012			September 28, 2013			September 29, 2012
Net income (loss):	$	13,561	$	(11,246	)	$	(29,273	)	$	(22,413	)
Shares for net income (loss) per share:
Weighted-average shares outstanding—Basic	157,105		163,838			159,057			165,143
Dilutive securities	6,812		—			—			—
Weighted-average shares outstanding—Diluted	163,917		163,838			159,057			165,143

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

For the three months ended September 28, 2013, securities representing 8,851 potential shares were excluded from the calculation as their effect would have been antidilutive. For the nine months ended September 28, 2013 and the three and nine months ended September 29, 2012 all outstanding options and potential shares related to RSUs, MSUs and the ESPP were excluded from the calculation as their effect would have been antidilutive.

XML

Investment in CyOptics, Inc.

9 Months Ended

Sep. 28, 2013

Cost-method Investments, Realized Gain (Loss), Alternative [Abstract]

Investment in CyOptics, Inc.

Investment in CyOptics, Inc.

In previous years, the Company made a number of investments in small, privately held technology companies in which the Company has held less than 20% of the capital stock or held notes receivable. As a result of the sale of the Company's former optoelectronics operations, the Company received as partial consideration $4,500 of preferred stock and an unsecured promissory note from CyOptics Inc. ("CyOptics") for $5,633. In years prior to 2012, the carrying amount of the CyOptics investment was fully impaired and written down to $0. During the nine months ended September 29, 2012, the remaining amount due on the promissory note was settled in full and the preferred stock was sold in exchange for an initial liquidation payment of $6,957 and an escrow holdback contingent upon certain conditions. The initial liquidation payment was received in cash in March, 2012. The final liquidation payment of $421 from the escrow holdback account was received in cash in May, 2013. Both of the liquidation transactions were recorded as a gain/recovery of investment in the statement of operations and in the operating activities section of the statement of cash flows. The cash proceeds from both of the payments were included in the investing activities section of the statement of cash flows.

XML

Subsequent Events Subsequent Events (Details) (Loss on Disposal of Assets [Member], USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 28, 2013
Minimum [Member]
Subsequent Event [Line Items]
Loss on Disposal of Assets	$ 20,000
Maximum [Member]
Subsequent Event [Line Items]
Loss on Disposal of Assets	$ 25,000

XML

Goodwill and Other Acquisition-Related Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012	Dec. 31, 2012
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Goodwill, Impairment Loss			$ 0
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)			0
Goodwill	13,790		13,790		4,391
Finite-Lived Intangible Assets, Gross	64,622		64,622		57,522
Finite-Lived Intangible Assets, Accumulated Amortization	(40,471)		(40,471)		(35,209)
Finite-Lived Intangible Assets, Net	24,151		24,151		22,313
Intangible Assets Finite and Indefinite Lived, Gross (Excluding Goodwill)	65,472		65,472		58,372
Intangible Assets, Net (Excluding Goodwill)	25,001		25,001		23,163
Intangible Assets Gross Including Goodwill	79,262		79,262		62,763
Intangible Assets Net Including Goodwill	38,791		38,791		27,554
Change in Gross Goodwill and Intangible Assets			0
Amortization of Intangible Assets	1,730	1,649	5,262	4,805
Fair Value of Assets Acquired			16
Acquisition of business, net of cash acquired			5,940	3,000
In Process Research And Development Non Amortizing [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets, Gross (Excluding Goodwill)	850		850		850
Indefinite-lived Intangible Assets	850		850		850
Goodwill [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Goodwill	13,790		13,790		4,391
Indefinite-lived Intangible Assets Acquired			9,399
In Process Research and Development [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,779		1,779		1,779
Finite-Lived Intangible Assets, Accumulated Amortization	(973)		(973)		(658)
Finite-Lived Intangible Assets, Net	806		806		1,121
Developed Technology Rights [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired			5,000
Patents Trademarks And Other [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	62,843		62,843		55,743
Finite-Lived Intangible Assets, Accumulated Amortization	(39,498)		(39,498)		(34,551)
Finite-Lived Intangible Assets, Net	23,345		23,345		21,192
Customer Relationships [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired			1,500
Trademarks and Trade Names [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired			600
Deferred Tax Asset [Domain]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired			1,665
Minimum [Member] | In Process Research and Development [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life (years)			3 years
Minimum [Member] | Patents Trademarks And Other [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life (years)			4 years
Maximum [Member] | In Process Research and Development [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life (years)			5 years
Maximum [Member] | Patents Trademarks And Other [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life (years)			15 years
Increase [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Change in Gross Goodwill and Intangible Assets			16,499
Increase [Member] | In Process Research And Development Non Amortizing [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Indefinite-lived Intangible Assets, Period Increase (Decrease)			0
Increase [Member] | Goodwill [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Goodwill, Period Increase (Decrease)			9,399
Increase [Member] | In Process Research and Development [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Period Increase (Decrease)			0
Increase [Member] | Patents Trademarks And Other [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Period Increase (Decrease)			7,100
CAP Wireless [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Acquisition of business, net of cash acquired			$ 14,850
CAP Wireless [Member] | Minimum [Member] | Patents Trademarks And Other [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life (years)			3 years
CAP Wireless [Member] | Maximum [Member] | Patents Trademarks And Other [Member]
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life (years)			14 years

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Goodwill and Other Acquisition-Related Intangible Assets (Tables)

9 Months Ended

Sep. 28, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Gross Goodwill and Intangibles

The changes in the carrying amount of goodwill and intangible assets are as follows:

	Goodwill and Intangible Assets
	Goodwill		In process research and development- non-amortizing		In process research and development- amortizing		Patents, trademarks and other		Total
Balance as of December 31, 2012	$	4,391	$	850	$	1,779	$	55,743	$	62,763
Additions during the period	9,399		—		—		7,100		16,499
Balance as of September 28, 2013	$	13,790	$	850	$	1,779	$	62,843	$	79,262

Schedule of Intangible Assets and Goodwill

Information regarding the Company’s acquisition-related intangible assets is as follows:

		September 28, 2013							December 31, 2012
	Useful Life (Years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Goodwill		$	13,790	$	—		$	13,790	$	4,391	$	—		$	4,391
Amortizing intangible assets
In process research and development	3 - 5	1,779		(973		)	806		1,779		(658		)	1,121
Patents, trademarks and other	4 - 15	62,843		(39,498		)	23,345		55,743		(34,551		)	21,192
		64,622		(40,471		)	24,151		57,522		(35,209		)	22,313
Non-amortizing intangible assets
In process research and development		850		—			850		850		—			850
Total intangible assets		65,472		(40,471		)	25,001		58,372		(35,209		)	23,163
Total goodwill and intangible assets		$	79,262	$	(40,471	)	$	38,791	$	62,763	$	(35,209	)	$	27,554

Schedule of Intangible Asset Amortization

Amortization expense related to intangible assets is as follows:

	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Amortization expense	$	1,730	$	1,649	$	5,262	$	4,805

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Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 28, 2013

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment consisted of the following:

	September 28, 2013			December 31, 2012
Land	$	19,718		$	19,691
Buildings	95,080			94,766
Building and leasehold improvements	32,021			31,012
Machinery and equipment	755,891			664,737
Furniture and fixtures	7,007			6,915
Computer equipment and software	51,742			46,930
Assets in process	36,542			59,561
Total property, plant and equipment, gross	998,001			923,612
Accumulated depreciation	(543,764		)	(474,871		)
Total property, plant and equipment, net	$	454,237		$	448,741

Schedule of Depreciation Expense

The Company reported depreciation expense as follows:

	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Depreciation expense	$	26,495	$	22,701	$	74,992	$	64,352

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Investment in CyOptics, Inc. Investment in CyOptics (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended	3 Months Ended		9 Months Ended
	May 11, 2005	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012	Dec. 31, 2011
Cost-method Investments, Realized Gain (Loss), Alternative [Abstract]
Consideration in preferred stock received	$ 4,500
Receipt of unsecured promissory note	5,633
Cost Method Investments						0
Gain/recovery of investment		$ 0	$ 0	$ 421	$ 6,957

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Net Loss Per Share (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Earnings Per Share Reconciliation [Abstract]
Net loss	$ 13,561	$ (11,246)	$ (29,273)	$ (22,413)
Shares for net income (loss) per share:
Weighted-average shares outstanding—Basic	157,105	163,838	159,057	165,143
Dilutive securities	6,812	0	0	0
Weighted-average shares outstanding—Diluted	163,917	163,838	159,057	165,143

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Stock-Based Compensation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Stock-Based Compensation Expense Allocation [Line Items]
Stock-based Compensation Expense	$ 6,913	$ 7,364	$ 21,129	$ 21,619
Cost of Goods Sold [Member]
Stock-Based Compensation Expense Allocation [Line Items]
Stock-based Compensation Expense	1,720	2,549	5,327	6,477
Research and Development Expense [Member]
Stock-Based Compensation Expense Allocation [Line Items]
Stock-based Compensation Expense	2,802	2,226	7,897	6,914
Selling, General And Administrative [Member]
Stock-Based Compensation Expense Allocation [Line Items]
Stock-based Compensation Expense	$ 2,391	$ 2,589	$ 7,905	$ 8,228

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Fair Value of Financial Instruments - Earnout Payment Liability (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 28, 2013
Earnout and Milestone Payment Liability [Member]
Details of Level 3 fair value measurements
Ending earnout and milestone payment liability at December 31, 2012	$ 5,457
Accretion	1,362
Change in estimate	(3,371)
Ending earnout and milestone payment liability at September 28, 2013	3,448
Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 | First 2012 Acquisition [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Business Combination, Contingent Consideration, Liability	2,294
Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 | Second 2012 Acquisition [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Business Combination, Contingent Consideration, Liability	$ 1,154

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Stock-Based Compensation Stock-Based Compensation - Market-Based Restricted Stock Units (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share based payment award, maximum potential shares	299		299
Market-based restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	0.40%	0.00%	0.40%	0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	0.00%	0.00%	0.00%	0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	56.20%	0.00%	56.20%	0.00%
TQNT correlation coefficient to SPDR	59.00%	0.00%	59.00%	0.00%
Share-based compensation arrangement by share based payment award, percentage of target shares presented			100.00%
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Units outstanding at the beginning of the period (shares)			0
Units outstanding at the beginning of the period (weighted average grant date fair value per share)			$ 0.00
Units Granted in Period (shares)			199
Units granted during the period (weighted average grant date fair value per share)			$ 7.45
Units outstanding at the end of the period (shares)	199		199
Units outstanding at the end of the period (weighted average grant date fair value per share)	$ 7.45		$ 7.45
Market-based restricted stock units | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share based payment award, percentage of target shares awarded	0.00%		0.00%
Market-based restricted stock units | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share based payment award, percentage of target shares awarded	150.00%		150.00%

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Selected Financial Statement Information (Tables)

9 Months Ended

Sep. 28, 2013

Selected Financial Statement Information [Abstract]

Selected Financial Statement Information [Table Text Block]

	September 28, 2013			December 31, 2012
Accounts receivable, net:
Trade accounts receivable	$	174,011		$	132,782
Allowance for doubtful accounts	(20		)	(53		)
	$	173,991		$	132,729
Inventories:
Raw materials	$	30,075		$	26,798
Work-in-process	108,625			72,393
Finished goods	36,883			39,055
	$	175,583		$	138,246
Other current assets:
Precious metals reclaim	$	41,397		$	39,472
Other	10,049			8,910
	$	51,446		$	48,382
Accrued payroll:
Accrued payroll and taxes	$	8,379		$	11,234
Accrued paid time off and sabbatical	17,220			14,979
Accrued management incentive program	3,306			2,437
Self-insurance liability	2,409			2,168
ESPP Withholdings	6,868			2,436
	$	38,182		$	33,254

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Basis of Presentation

9 Months Ended

Sep. 28, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

The accompanying condensed consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States (“GAAP”). Certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed, or omitted, pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). In addition, the preparation of financial statements in conformity with GAAP requires management to make estimates and judgments that affect the amounts reported in the financial statements and accompanying notes. For TriQuint Semiconductor, Inc. (the “Company”), the accounting estimates requiring management’s most difficult and subjective judgments include revenue recognition, the valuation of inventory, the accounting for income taxes, precious metals reclaim and stock-based compensation. Certain reclassifications have been made to prior year balances in order to conform to the current year presentation. In the opinion of management, the condensed consolidated financial statements include all material adjustments, consisting only of normal, recurring adjustments, necessary for the fair presentation of the results of the interim periods presented. These condensed consolidated financial statements should be read in conjunction with the audited financial statements of the Company as of and for the fiscal year ended December 31, 2012, included in the Company’s 2012 Annual Report on Form 10-K filed with the SEC on February 26, 2013.

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Recent Accounting Pronouncements

9 Months Ended

Sep. 28, 2013

Accounting Changes and Error Corrections [Abstract]

Recent Accounting Pronouncements

Recent Accounting Pronouncements

In July 2013, the Financial Accounting Standards Board's ("FASB") Emerging Issues Task Force ("EITF") reached final consensus with regard to the "Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists." The update is intended to eliminate diversity in practice in the presentation of an unrecognized tax benefit when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists. Current GAAP does not include explicit guidance on this topic. The main provisions of the update provide that an unrecognized tax benefit, or a portion of an unrecognized tax benefit, should be presented in the financial statements as a reduction to a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward. An exception exists if such deferred tax asset is not available at the reporting date under the tax law of the applicable jurisdiction to settle any additional income taxes that would result from a disallowance of a tax position or if the tax law of the applicable jurisdiction does not require the entity to use, and the entity does not intend to use, the deferred tax asset for such purpose. In such cases the unrecognized tax benefit should be presented in the financial statements as a liability and should not be combined with deferred tax assets. The amendments in this update will be applied prospectively. The update is effective for fiscal years, and interim periods within those years, beginning after December 15, 2013. The adoption of this standard will have no net effect on the Company's financial position, results of operations or cash flows. However, once adopted, the standard may change the presentation of unrecognized tax benefits and deferred tax assets in the balance sheet and the income taxes section of the notes to the financial statements.

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Selected Financial Statement Information

9 Months Ended

Sep. 28, 2013

Selected Financial Statement Information [Abstract]

Selected Financial Statement Information [Text Block]

Selected Financial Statement Information

	September 28, 2013			December 31, 2012
Accounts receivable, net:
Trade accounts receivable	$	174,011		$	132,782
Allowance for doubtful accounts	(20		)	(53		)
	$	173,991		$	132,729
Inventories:
Raw materials	$	30,075		$	26,798
Work-in-process	108,625			72,393
Finished goods	36,883			39,055
	$	175,583		$	138,246
Other current assets:
Precious metals reclaim	$	41,397		$	39,472
Other	10,049			8,910
	$	51,446		$	48,382
Accrued payroll:
Accrued payroll and taxes	$	8,379		$	11,234
Accrued paid time off and sabbatical	17,220			14,979
Accrued management incentive program	3,306			2,437
Self-insurance liability	2,409			2,168
ESPP Withholdings	6,868			2,436
	$	38,182		$	33,254

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Investments in Cash Equivalents and Marketable Securities

9 Months Ended

Sep. 28, 2013

Investments, Debt and Equity Securities [Abstract]

Investments in Cash Equivalents and Marketable Securities

Investments in Cash Equivalents and Marketable Securities

As of September 28, 2013 and December 31, 2012, all short-term investments were classified as available-for-sale and have maturity dates of less than one year. All unrealized gains and losses on available-for-sale investments are included in other comprehensive loss. The cost, net unrealized holding gains, net unrealized holding losses and fair value of available-for-sale investments by types and classes of security at September 28, 2013 consisted of the following:

At September 28, 2013	Cost		Net unrealized holding gains		Net unrealized holding losses		Fair Value
Available-for-sale-included in cash equivalents:
Money market funds	$	1,258	$	—	$	—	$	1,258
Available-for-sale-included in short-term marketable securities:
Municipal notes	552		1		—		553
	$	1,810	$	1	$	—	$	1,811

The cost, net unrealized holding gains, net unrealized holding losses and fair value of available-for-sale investments by types and classes of security at December 31, 2012 consisted of the following:

At December 31, 2012	Cost		Net unrealized holding gains		Net unrealized holding losses			Fair Value
Available-for-sale-included in cash equivalents:
Money market funds and other	$	53,549	$	—	$	—		$	53,549
Available-for-sale-included in short-term marketable securities:
U.S. treasury securities	4,510		—		—			4,510
U.S. government-sponsored enterprise securities	1,065		—		—			1,065
Corporate debt securities	14,933		—		(3		)	14,930
Certificates of deposit	1,800		—		—			1,800
	$	75,857	$	—	$	(3	)	$	75,854

Investments are considered to be impaired when a decline in fair value is judged to be other-than-temporary. The Company employs a methodology that reviews specific securities in evaluating potential impairment of its investments. In the event that the cost of an investment exceeds its fair value, the Company evaluates, among other factors, the Company’s intent and ability to hold the investment and extent to which the fair value is less than cost; the financial health of and business outlook for the issuer; and operating and financing cash flow factors. During the nine months ended September 28, 2013, the Company did not record any other-than-temporary impairments on its investments in cash equivalents or marketable securities.

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Stock-Based Compensation - Option Transactions (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended
	Sep. 28, 2013
Options Outstanding [Roll Forward]
Options outstanding at the beginning of the period (shares)	33,241
Options outstanding at the beginning of the period (weighted-average exercise price per share)	$ 6.56
Options granted (shares)	7,015
Options granted (weighted-average exercise price per share)	$ 5.86
Options exercised (shares)	(2,435)
Options exercised (weighted-average exercise price per share)	$ 4.59
Options forfeited (shares)	(1,190)
Options forfeited (weighted-average exercise price per share)	$ 7.27
Options outstanding at the end of the period (shares)	36,631
Options outstanding at the end of the period (weighted-average exercise price per share)	$ 6.53

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Stock-Based Compensation (Tables)

9 Months Ended

Sep. 28, 2013

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

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

The following table summarizes RSU activity during nine months ended September 28, 2013:

	Nine Months Ended
	September 28, 2013
	Shares	Weighted-average exercise price per share
Outstanding at December 31, 2012	—	—
Granted	100	$	7.76
Outstanding at September 28, 2013	100	$	7.76

Schedule of Stock-Based Compensation

The table below summarizes the stock-based compensation expense for the three and nine months ended September 28, 2013 and September 29, 2012:

	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Stock-based compensation expense:
Cost of goods sold	$	1,720	$	2,549	$	5,327	$	6,477
Research, development and engineering	2,802		2,226		7,897		6,914
Selling, general and administrative	2,391		2,589		7,905		8,228
Total stock-based compensation expense included in net income (loss) from operations	$	6,913	$	7,364	$	21,129	$	21,619

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

The following table summarizes the Company’s stock option transactions for the nine months ended September 28, 2013:

	Nine Months Ended
	September 28, 2013
	Shares		Weighted-average exercise price per share
Outstanding at December 31, 2012	33,241		$	6.56
Granted	7,015		5.86
Exercised	(2,435	)	4.59
Forfeited	(1,190	)	7.27
Outstanding at September 28, 2013	36,631		$	6.53

Schedule of assumptions used in monte-carlo simulation model [Table Text Block]

Key assumptions for the Monte Carlo simulation model were as follows:

	Three Months Ended			Nine Months Ended
	September 28, 2013		September 29, 2012	September 28, 2013		September 29, 2012
Risk free interest rates	0.4	%	—	0.4	%	—
Expected dividend yield	—		—	—		—
Expected volatility	56.2	%	—	56.2	%	—
Correlation coefficient to SPDR	0.59		—	0.59		—

Schedule of Share-based Compensation, Market-based Restricted Stock Units, Activity [Table Text Block]

In the following table, MSU activity during the nine months ended September 28, 2013 is presented at 100 percent of the target number of shares of common stock that may potentially be awarded:

	Nine Months Ended
	September 28, 2013
	Shares	Weighted-average grant date fair value
Outstanding at December 31, 2012	—	$	—
Granted	199	7.45
Outstanding at September 28, 2013	199	$	7.45

Schedule of Share-based Compensation, Employee Stock Purchase Plan, Activity [Table Text Block]

The table below summarizes the ESPP common stock purchases for the three and nine months ended September 28, 2013 and September 29, 2012.

	Three Months Ended		Nine Months Ended
	September 28, 2013	September 29, 2012	September 28, 2013	September 29, 2012
Shares purchased	—	—	1,872	1,770

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Fair Value of Financial Instruments - Cross Licensing Liability (Details) (Level 3, Fair Value, Measurements, Nonrecurring [Member], Estimate of Fair Value, Fair Value Disclosure [Member], USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 28, 2013
Level 3 | Fair Value, Measurements, Nonrecurring [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Incremental borrowing rate	9.00%
Cross-licensing liability	$ 15,027
Cross-licensing Liability, Fair Value Disclosure, Current Portion	$ 3,000

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Property, Plant and Equipment Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 998,001		$ 998,001		$ 923,612
Accumulated depreciation	(543,764)		(543,764)		(474,871)
Total property, plant and equipment, net	454,237		454,237		448,741
Depreciation, Depletion and Amortization [Abstract]
Depreciation expense	26,495	22,701	74,992	64,352
Land
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	19,718		19,718		19,691
Buildings
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	95,080		95,080		94,766
Building and leasehold improvements
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	32,021		32,021		31,012
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	755,891		755,891		664,737
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	7,007		7,007		6,915
Computer equipment and software
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	51,742		51,742		46,930
Assets in process
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 36,542		$ 36,542		$ 59,561

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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 4,137	$ 5,139	$ (6,119)	$ (5,104)
Deferred Tax Assets, Tax Credit Carryforwards, Research	4,045		4,045
Undistributed Earnings of Foreign Subsidiiaries	104,497		104,497
Deferred Tax Assets, Net	75,220		75,220		69,715
Deferred Tax Assets, Valuation Allowance	15,558		15,558		14,518
Unrecognized Tax Benefits, Period Increase (Decrease)			1,261
Net unrecognized tax benefits	$ 4,070		$ 4,070		$ 2,809

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CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 26,327	$ 116,653
Investments in marketable securities	553	22,305
Accounts receivable, net	173,991	132,729
Inventories	175,583	138,246
Prepaid expenses	10,635	8,938
Deferred tax assets, net	12,111	12,530
Other current assets	51,446	48,382
Total current assets	450,646	479,783
Property, plant and equipment, net	454,237	448,741
Goodwill	13,790	4,391
Intangible assets, net	25,001	23,163
Deferred tax assets – noncurrent, net	63,109	57,185
Other noncurrent assets, net	32,062	40,415
Total assets	1,038,845	1,053,678
Current liabilities:
Accounts payable	77,588	65,388
Accrued payroll	38,182	33,254
Other accrued liabilities	13,721	15,132
Total current liabilities	129,491	113,774
Long-term liabilities:
Long-term income tax liability	4,070	2,809
Cross-licensing liability	12,027	12,818
Other long-term liabilities	16,699	15,878
Total liabilities	162,287	145,279
Commitments and contingencies (Note 12)
Stockholders’ equity:
Preferred Stock, $0.001 par value, 5,000 shares authorized, no shares issued	0	0
Common stock, $0.001 par value, 600,000 shares authorized, 158,263 and 160,611 shares issued and outstanding at September 28, 2013 and December 31, 2012, respectively	158	161
Additional paid-in capital	673,635	676,203
Accumulated other comprehensive loss	(363)	(366)
Retained earnings	203,128	232,401
Total stockholders’ equity	876,558	908,399
Total liabilities and stockholders’ equity	$ 1,038,845	$ 1,053,678

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Credit Facility

9 Months Ended

Sep. 28, 2013

Line of Credit Facility [Abstract]

Credit Facility

On September 30, 2010, the Company, the domestic subsidiaries of the Company (the “Guarantors”), Bank of America, N.A., as administrative agent and lender, and Union Bank, N.A., Wells Fargo Bank, N.A., Bank of the West, BBVA Compass Bank and US Bank, as lenders (together with the administrative agent, the “Lenders”), entered into a Credit Agreement (the “Agreement”). The Agreement provides the Company with a three-year unsecured revolving syndicated credit facility of $200,000 maturing on September 30, 2013. On August 24, 2011, the Company extended, with the Lenders' consent, the maturity date to September 30, 2014. The Company’s obligations under the Agreement are jointly and severally guaranteed by the Guarantors. Upon the occurrence of certain events of default specified in the Agreement, amounts due under the Agreement may be declared immediately due and payable.

The Company may elect to borrow at either a Eurodollar Rate or a Base Rate (each as defined in the Agreement). Eurodollar Rate loans bear interest at an amount equal to the sum of a rate per annum calculated from the British Bankers Association London Interbank Offered Rate ("LIBOR") plus a designated percentage per annum (the “Applicable Rate”). The Applicable Rate for Eurodollar Rate loans is based on the Company’s consolidated total leverage ratio (as defined in the Agreement) and is subject to a floor of 2.50% per annum and a cap of 3.00% per annum. Base Rate loans bear interest at a rate equal to the higher of the federal funds rate plus 0.50%, the prime rate of Bank of America, N.A. plus the Applicable Rate or the Eurodollar Base Rate plus 1.0%. The Applicable Rate for Base Rate loans is subject to a floor of 1.50% per annum and a cap of 2.00% per annum. The interest payment date (as defined in the Agreement) will vary based on the type of loan but generally will be quarterly. The Company paid commitment fees, an arrangement fee, upfront fees and a renewal fee pursuant to the terms of the Agreement. The Company will also pay a quarterly fee for any letters of credit issued under the Agreement. The initial fees associated with the Agreement were capitalized and are being amortized to interest expense using the straight-line method over the remaining term to maturity.

The Agreement contains non-financial covenants of the Company and the Guarantors, including restrictions on the ability to create, incur or assume liens and other debt, make certain investments, dispositions and restricted payments, change the nature of the business, and merge with other entities subject to certain caps as defined in the agreement. The Agreement requires the Company to maintain ratios defined in the Agreement, which include a consolidated total leverage ratio as of the end of any fiscal quarter not in excess of 2.50 to 1.00, a consolidated liquidity ratio of at least 1.25 to 1.00 and a consolidated interest coverage ratio at a minimum of 3.00 to 1.00. The Company was in compliance with these covenants as of September 28, 2013.

At September 28, 2013 and December 31, 2012 there were no amounts outstanding under the Agreement. During the three and nine months ended September 28, 2013, the average outstanding balance under the Agreement was $12,967 and $4,502, respectively. During the three and nine months ended September 28, 2013, interest cost of $118 and $121, respectively, was incurred on borrowings. No interest cost was incurred on borrowings during the three or nine months ended September 29, 2012.

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012
Cash flows from operating activities:
Net loss	$ (29,273)	$ (22,413)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	80,254	69,157
Stock-based compensation charges	21,129	21,619
Deferred income taxes	(7,170)	(8,375)
Gain/recovery of investment	(421)	(6,957)
Earnout and milestone liability	(2,009)	(916)
Other	(201)	49
Changes in assets and liabilities:
Accounts receivable, net	(40,378)	6,324
Inventories	(35,605)	(2,232)
Other assets	(6,013)	(35,772)
Accounts payable and accrued expenses	18,501	13,891
Net cash (used in) provided by operating activities	(1,186)	34,375
Cash flows from investing activities:
Purchase of available-for-sale investments	(20,940)	(64,614)
Maturity/sale of available-for-sale investments	42,695	80,429
Proceeds from gain/recovery of investment in other companies	421	6,957
Acquisition of business, net of cash acquired	(5,940)	(3,000)
Other	885	146
Capital expenditures	(78,032)	(45,998)
Net cash used in investing activities	(60,911)	(26,080)
Cash flows from financing activities:
Subscription/issuance of common stock, net	23,238	14,798
Repurchase of common stock	(51,125)	(25,000)
Excess tax benefit from stock-based compensation arrangements	(342)	0
Net cash used in financing activities	(28,229)	(10,202)
Net decrease in cash and cash equivalents	(90,326)	(1,907)
Cash and cash equivalents at beginning of period	116,653	116,305
Cash and cash equivalents at end of period	26,327	114,398
Supplemental disclosures:
Change in timing of payments related to capital expenditures	2,751	(6,574)
Cash paid for income taxes, net of cash refunds	$ 1,384	$ 248

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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Revenue	$ 250,836	$ 200,821	$ 625,148	$ 595,553
Cost of goods sold	158,619	139,208	437,440	426,413
Gross profit	92,217	61,613	187,708	169,140
Operating expenses:
Research, development and engineering	47,023	40,871	140,201	116,029
Selling, general and administrative	26,420	26,264	79,650	86,620
Total operating expenses	73,443	67,135	219,851	202,649
Income (loss) from operations	18,774	(5,522)	(32,143)	(33,509)
Other (expense) income :
Interest income	7	58	83	196
Interest expense	(1,153)	(666)	(3,429)	(1,329)
Gain/recovery of investment	0	0	421	6,957
Other, net	70	23	(324)	168
Total other (expense) income, net	(1,076)	(585)	(3,249)	5,992
Income (loss) before income tax	17,698	(6,107)	(35,392)	(27,517)
Income tax expense (benefit)	4,137	5,139	(6,119)	(5,104)
Net income (loss)	13,561	(11,246)	(29,273)	(22,413)
Net income (loss) per common share:
Basic	$ 0.09	$ (0.07)	$ (0.18)	$ (0.14)
Diluted	$ 0.08	$ (0.07)	$ (0.18)	$ (0.14)
Common equivalent shares:
Basic	157,105	163,838	159,057	165,143
Diluted	163,917	163,838	159,057	165,143
Other comprehensive income (loss):
Net unrealized gain on available for sale investments	5	2	3	0
Comprehensive income (loss)	$ 13,566	$ (11,244)	$ (29,270)	$ (22,413)

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Income Taxes (Tables)

9 Months Ended

Sep. 28, 2013

Income Tax Disclosure [Abstract]

Schedule of Unrecognized Tax Benefits

Net unrecognized tax benefits at September 28, 2013 and December 31, 2012 were as follows:

	September 28, 2013		December 31, 2012
Net unrecognized tax benefits	$	4,070	$	2,809

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Investments in Cash Equivalents and Marketable Securities (Tables)

9 Months Ended

Sep. 28, 2013

Investments, Debt and Equity Securities [Abstract]

Available-for-sale Securities

The cost, net unrealized holding gains, net unrealized holding losses and fair value of available-for-sale investments by types and classes of security at September 28, 2013 consisted of the following:

At September 28, 2013	Cost		Net unrealized holding gains		Net unrealized holding losses		Fair Value
Available-for-sale-included in cash equivalents:
Money market funds	$	1,258	$	—	$	—	$	1,258
Available-for-sale-included in short-term marketable securities:
Municipal notes	552		1		—		553
	$	1,810	$	1	$	—	$	1,811

The cost, net unrealized holding gains, net unrealized holding losses and fair value of available-for-sale investments by types and classes of security at December 31, 2012 consisted of the following:

At December 31, 2012	Cost		Net unrealized holding gains		Net unrealized holding losses			Fair Value
Available-for-sale-included in cash equivalents:
Money market funds and other	$	53,549	$	—	$	—		$	53,549
Available-for-sale-included in short-term marketable securities:
U.S. treasury securities	4,510		—		—			4,510
U.S. government-sponsored enterprise securities	1,065		—		—			1,065
Corporate debt securities	14,933		—		(3		)	14,930
Certificates of deposit	1,800		—		—			1,800
	$	75,857	$	—	$	(3	)	$	75,854

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Stock-Based Compensation - Employee Stock Purchase Program (Details) (Employee Stock Purchase Plan [Member]) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Employee Stock Purchase Plan [Member]
Employee Stock Purchase Plan [Abstract]
Shares purchased	0	0	1,872	1,770

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Credit Facility (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 28, 2013	Sep. 28, 2013	Sep. 29, 2012	Dec. 31, 2012
Lenders Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Expiration Date		Sep. 30, 2014
Bank of America Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 200,000	$ 200,000
Line of Credit Facility, Interest Rate Description		The Applicable Rate for Eurodollar Rate loans is based on the Company’s consolidated total leverage ratio (as defined in the Agreement) and is subject to a floor of 2.50% per annum and a cap of 3.00% per annum. Base Rate loans bear interest at a rate equal to the higher of the federal funds rate plus 0.50%, the prime rate of Bank of America, N.A. plus the Applicable Rate or the Eurodollar Base Rate plus 1.0%. The Applicable Rate for Base Rate loans is subject to a floor of 1.50% per annum and a cap of 2.00% per annum.
Line of Credit Facility, Covenant Terms		The Agreement requires the Company to maintain ratios defined in the Agreement, which include a consolidated total leverage ratio as of the end of any fiscal quarter not in excess of 2.50 to 1.00, a consolidated liquidity ratio of at least 1.25 to 1.00 and a consolidated interest coverage ratio at a minimum of 3.00 to 1.00.
Short-term Debt, Average Outstanding Amount	12,967	4,502
Line of Credit Facility, Maximum Total Leverage Ratio Allowed		2.50
Line of Credit Facility, Minimum Consolidated Liquidity Ratio Required		1.25
Line of Credit Facility, Minimum Consolidated Interest Coverage Ratio Required		3.00
Credit facility borrowing				0
Borrowing on credit facility		0
Interest Cost	$ 118	$ 121	$ 0
Eurodollar Rate Loan [Member]
Line of Credit Facility [Line Items]
Line of Credit Interest Rate Floor	2.50%	2.50%
Line of Credit Interest Rate Cap	3.00%	3.00%
Base Rate Loan [Member]
Line of Credit Facility [Line Items]
Line of Credit Interest Rate Floor	1.50%	1.50%
Line of Credit Interest Rate Cap	2.00%	2.00%
Federal Funds Rate [Member] | Base Rate Loan [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate		0.50%
Eurodollar Rate [Member] | Base Rate Loan [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate		1.00%

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Net Loss Per Share - Antidilutive Securities (Details) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012	Dec. 31, 2012
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	36,631		36,631		33,241
Antidilutive securities	8,851	33,372	36,771	33,372

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Selected Financial Statement Information (Details) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 31, 2012
Accounts Receivable, Net [Abstract]
Trade accounts receivable	$ 174,011	$ 132,782
Allowance for doubtful accounts	20	53
Accounts Receivable, net	173,991	132,729
Inventory, Net [Abstract]
Raw materials	30,075	26,798
Work-in-process	108,625	72,393
Finished goods	36,883	39,055
Inventories	175,583	138,246
Other Assets, Current [Abstract]
Precious metals reclaim	41,397	39,472
Other	10,049	8,910
Other current assets	51,446	48,382
Employee-related Liabilities, Current [Abstract]
Accrued payroll and taxes	8,379	11,234
Accrued paid time off and sabbatical	17,220	14,979
Accrued management incentive program	3,306	2,437
Self-insurance liability	2,409	2,168
ESPP Withholdings	6,868	2,436
Accrued payroll	$ 38,182	$ 33,254

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Goodwill and Other Acquisition-Related Intangible Assets

9 Months Ended

Sep. 28, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Acquisition-Related Intangibles

Goodwill and Other Acquisition-Related Intangible Assets

The Company is required to perform an impairment analysis on its goodwill at least annually, or when events and circumstances warrant. Conditions that would trigger an impairment assessment, include, but are not limited to, a significant adverse change in legal factors or in the business climate that could affect the value of an asset or an adverse action or assessment by a regulator. The Company is considered one reporting unit. When the Company performed this test in 2012, the Company elected to use the two-step goodwill impairment test. Therefore, to determine whether goodwill may be impaired, the Company compares its book value to its market capitalization. If the trading price of the Company’s common stock, as adjusted for factors such as a control premium, is below the book value per share at the date of the annual impairment test or if the average trading price of the Company’s common stock is below book value per share for a sustained period, a goodwill impairment test will be performed by comparing book value to estimated market value. If the comparison of book value to estimated market value indicates impairment, then the Company compares the estimated market value of goodwill to its carrying amount in a manner similar to a purchase price allocation for a business combination. If the carrying amount of goodwill exceeds its estimated market value, an impairment loss is recognized equal to that excess.

Unless indicators warrant testing at an earlier date, the Company performs its annual goodwill impairment test in the fourth quarter of each year. During the nine months ended September 28, 2013, there were no impairments recorded.

Information regarding the Company’s acquisition-related intangible assets is as follows:

		September 28, 2013							December 31, 2012
	Useful Life (Years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Goodwill		$	13,790	$	—		$	13,790	$	4,391	$	—		$	4,391
Amortizing intangible assets
In process research and development	3 - 5	1,779		(973		)	806		1,779		(658		)	1,121
Patents, trademarks and other	4 - 15	62,843		(39,498		)	23,345		55,743		(34,551		)	21,192
		64,622		(40,471		)	24,151		57,522		(35,209		)	22,313
Non-amortizing intangible assets
In process research and development		850		—			850		850		—			850
Total intangible assets		65,472		(40,471		)	25,001		58,372		(35,209		)	23,163
Total goodwill and intangible assets		$	79,262	$	(40,471	)	$	38,791	$	62,763	$	(35,209	)	$	27,554

Amortizing in process research and development represents acquired research and development assets that have reached technological feasibility. Amortization expense related to intangible assets is as follows:

	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Amortization expense	$	1,730	$	1,649	$	5,262	$	4,805

The changes in the carrying amount of goodwill and intangible assets are as follows:

	Goodwill and Intangible Assets
	Goodwill		In process research and development- non-amortizing		In process research and development- amortizing		Patents, trademarks and other		Total
Balance as of December 31, 2012	$	4,391	$	850	$	1,779	$	55,743	$	62,763
Additions during the period	9,399		—		—		7,100		16,499
Balance as of September 28, 2013	$	13,790	$	850	$	1,779	$	62,843	$	79,262

During the third quarter of 2013, the Company completed the acquisition of CAP Wireless ("CAP") a producer of Spatium™ broadband amplifiers, which resulted in the recognition of net tangible assets of $16, and several intangible assets including developed technology for $5,000, customer relationships for $1,500, tradenames for $600, net deferred tax liabilities of $1,665 and goodwill for $9,399. Total consideration of $14,850 was paid with a combination of cash and Company stock. The developed technology, customer relationship and tradename assets will be amortized over a period of 3 to 14 years. The Company has estimated the fair value of the identifiable intangible assets, which are subject to amortization, using a cash flow based approach discounted with a market discount rate. The estimated fair value of these assets is classified as a Level 3 measurement within the fair-value hierarchy. The goodwill is not deductible for tax purposes. The goodwill is calculated as the purchase price in excess of the fair value of assets and liabilities acquired, and represents the Company’s ability to expand its product line into solid state amplifiers, a high margin high growth market currently underserved by the Company. The Company did not have a similar acquisition during the nine months ended September 29, 2012.

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Fair Value of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 31, 2012
Assets:
Cash	$ 25,069	$ 63,104
Cash equivalents	1,258	53,549
Short-term—marketable securities	553	22,305
Non-qualified deferred compensation plan	6,049	4,591
Total	32,929	143,549
Short-term—marketable securities	1,811	75,854
Liabilities:
Earnout and milestone payment liability	3,448	5,457
Non-qualified deferred compensation plan	6,049	4,591
Total	9,497	10,048
Level 1 | Fair Value, Measurements, Recurring [Member]
Assets:
Cash	0	0
Cash equivalents	1,258	53,549
Short-term—marketable securities	0	4,510
Non-qualified deferred compensation plan	6,049	4,591
Total	7,307	62,650
Liabilities:
Earnout payment liability	0	0
Non-qualified deferred compensation plan	6,049	4,591
Total	6,049	4,591
Level 2 | Fair Value, Measurements, Recurring [Member]
Assets:
Cash	0	0
Cash equivalents	0	0
Short-term—marketable securities	553	17,795
Non-qualified deferred compensation plan	0	0
Total	553	17,795
Liabilities:
Earnout payment liability	0	0
Non-qualified deferred compensation plan	0	0
Total	0	0
Level 3 | Fair Value, Measurements, Recurring [Member]
Assets:
Cash		0
Cash equivalents	0	0
Short-term—marketable securities	0	0
Non-qualified deferred compensation plan	0	0
Total	0	0
Liabilities:
Earnout payment liability	3,448	5,457
Non-qualified deferred compensation plan	0	0
Total	3,448	5,457
Estimate of Fair Value Measurement [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Cash	25,069	63,104
Cash equivalents	1,258	53,549
Short-term—marketable securities	553	22,305
Non-qualified deferred compensation plan	6,049	4,591
Total	32,929	143,549
Liabilities:
Earnout payment liability	3,448	5,457
Non-qualified deferred compensation plan	6,049	4,591
Total	$ 9,497	$ 10,048

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Stock-Based Compensation Stock-Based Compensation - Restricted Stock Units (Details) (Restricted Stock Units (RSUs) [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended
	Sep. 28, 2013
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Units outstanding at the beginning of the period (shares)	0
Units outstanding at the beginning of the period (weighted average grant date fair value per share)	$ 0.00
Units Granted in Period (shares)	100
Units granted during the period (weighted average grant date fair value per share)	$ 7.76
Units outstanding at the end of the period (shares)	100
Units outstanding at the end of the period (weighted average grant date fair value per share)	$ 7.76

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Income Taxes

9 Months Ended

Sep. 28, 2013

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The Company recorded income tax expense of $4,137 and an income tax benefit of $6,119 for the three and nine months ended September 28, 2013, respectively. For the three and nine months ended September 29, 2012, the Company recorded income tax expense of $5,139 and an income tax benefit of $5,104, respectively. The income tax expense for the three months ended September 28, 2013 was primarily associated with U.S. federal and state income taxes due to the mix of profits and losses between jurisdictions. The income tax benefit for the nine months ended September 28, 2013 was primarily the result of the Company's pre-tax loss, the recognition of U.S. federal tax credits, and equity compensation deductions. The income tax expense for the three months ended September 29, 2012 was primarily associated with U.S. federal and state income taxes due to the mix of profits and losses between jurisdictions and the recognition of additional valuation allowance. The income tax benefit for the nine months ended September 29, 2012 was primarily associated with the Company's pre-tax loss offset by an accrual for unrecognized tax benefits and the recognition of additional valuation allowance.

In January 2013, the American Taxpayer Relief Act of 2012 was signed into law, retroactively reinstating the Research and Experimental ("R&E") tax credit for 2012 and through 2013. The expected benefit for 2012 of approximately $4,045 was recorded during the three months ended March 30, 2013.

No provision has been made for U.S., state or additional foreign income taxes related to approximately $104,497 of undistributed earnings of foreign subsidiaries which have been permanently reinvested outside of the United States, except for liquidating foreign entities and existing earnings that have been previously taxed. It is not practicable to determine the U.S. federal income tax liability, if any, which would be payable if such earnings were not permanently reinvested outside of the United States. In the event the foreign subsidiaries repatriate these earnings, which would generally require board approval, the earnings may be subject to additional U.S. federal and state income taxes and foreign withholding taxes. The additional taxes could be partially offset by net operating losses and/or foreign tax credits.

The major jurisdictions in which the Company files tax returns are the United States, Singapore and Costa Rica. In 2012, the Company expanded its presence into Asia by increasing operations in Singapore. Tax years beginning in 2006 are subject to examination by taxing authorities, although net operating losses ("NOL") and credit carryforwards from all years are subject to examinations and adjustments for at least three years following the year in which the attributes are used.

Due to agreements with the Costa Rican and Singaporean governments, the Company was granted income tax holidays of varying rates through March 2017 and December 2019, respectively. Incentives from these countries are subject to the Company meeting certain employment and investment requirements. The Company was in compliance with these requirements as of September 28, 2013.

Deferred Income Taxes

As of September 28, 2013, deferred tax assets of $75,220, net of a $15,558 valuation allowance, were recorded on the balance sheet. As of December 31, 2012, the Company recorded deferred tax assets of $69,715, net of a $14,518 valuation allowance. The Company records a valuation allowance to reduce deferred tax assets to the amount that is believed more-likely-than-not to be realized. The Company maintains a valuation allowance against the tax effect of certain state and foreign net operating loss carryforwards and certain state credit carryforwards, as management does not believe it is more likely than not that these benefits will be realized in future periods.

Unrecognized Tax Benefits

In the nine months ended September 28, 2013, net unrecognized tax benefits increased $1,261 primarily as a result of an additional liability recorded to address existing potential exposures involving positions that could be challenged by taxing authorities. The Company does not anticipate the release of any unrecognized tax benefits due to the expiration of statutes of limitations within the next twelve months. Interest and penalties associated with unrecognized tax benefits are accrued and classified as a component of tax expense in the statement of operations and comprehensive loss.

Net unrecognized tax benefits at September 28, 2013 and December 31, 2012 were as follows:

	September 28, 2013		December 31, 2012
Net unrecognized tax benefits	$	4,070	$	2,809

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Property, Plant and Equipment

9 Months Ended

Sep. 28, 2013

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

Property, plant and equipment consisted of the following:

	September 28, 2013			December 31, 2012
Land	$	19,718		$	19,691
Buildings	95,080			94,766
Building and leasehold improvements	32,021			31,012
Machinery and equipment	755,891			664,737
Furniture and fixtures	7,007			6,915
Computer equipment and software	51,742			46,930
Assets in process	36,542			59,561
Total property, plant and equipment, gross	998,001			923,612
Accumulated depreciation	(543,764		)	(474,871		)
Total property, plant and equipment, net	$	454,237		$	448,741

The Company reported depreciation expense as follows:

	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Depreciation expense	$	26,495	$	22,701	$	74,992	$	64,352

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Fair Value of Financial Instruments

9 Months Ended

Sep. 28, 2013

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments

Fair Value of Financial Instruments

The Company accounts for its assets utilizing a hierarchy of valuation techniques based on whether the inputs to those valuation techniques are observable or unobservable. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect the Company’s market assumptions. These two types of inputs have created the following fair-value hierarchy:

• Level 1—Quoted prices for identical instruments in active markets;

• Level 2—Quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets; and

• Level 3—Valuations derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable.

Assets and liabilities measured and recorded at fair value on a recurring basis at September 28, 2013 are as follows:
	Carrying Amount		Total Fair Value
					Cash		Level 1		Level 2		Level 3
Measured on a recurring basis:
Assets:
Cash	$	25,069	$	25,069	$	25,069	$	—	$	—	$	—
Cash equivalents	1,258		1,258		—		1,258		—		—
Short-term—marketable securities	553		553		—		—		553		—
Non-qualified deferred compensation plan	6,049		6,049		—		6,049		—		—
Total	$	32,929	$	32,929	$	25,069	$	7,307	$	553	$	—
Liabilities:
Earnout and milestone payment liability	3,448		3,448		—		—		—		3,448
Non-qualified deferred compensation plan	6,049		6,049		—		6,049		—		—
Total	$	9,497	$	9,497	$	—	$	6,049	$	—	$	3,448
Assets and liabilities measured and recorded at fair value on a recurring basis at December 31, 2012 are as follows:
	Carrying Amount		Total Fair Value
					Cash		Level 1		Level 2		Level 3
Measured on a recurring basis:
Assets:
Cash	$	63,104	$	63,104	$	63,104	$	—	$	—	$	—
Cash equivalents	53,549		53,549		—		53,549		—		—
Short-term—marketable securities	22,305		22,305		—		4,510		17,795		—
Non-qualified deferred compensation plan	4,591		4,591		—		4,591		—		—
Total	$	143,549	$	143,549	$	63,104	$	62,650	$	17,795	$	—
Liabilities:
Earnout and milestone payment liability	$	5,457	$	5,457	$	—	$	—	$	—	$	5,457
Non-qualified deferred compensation plan	4,591		4,591		—		4,591		—		—
Total	$	10,048	$	10,048	$	—	$	4,591	$	—	$	5,457

The instruments classified as Level 1 are measured at fair value using quoted market prices. The investments classified as Level 2 were valued using quoted prices for similar instruments in markets that are not active since identical instruments were not available. The Company determines the hierarchy levels at the end of each quarter.

The Company's non-qualified deferred compensation plan provides eligible employees and members of the Board of Directors with the opportunity to defer a specified percentage of their cash compensation. The Company includes the asset deferred by the participants in the “Other noncurrent assets, net” line item of its consolidated balance sheets and the Company’s obligation to deliver the deferred compensation in the “Other long-term liabilities” line item on its consolidated balance sheets.

The Company's earnout and milestone payment liability as of September 28, 2013 resulted from two acquisitions during 2012 and represents the fair value of the estimated payout to the former businesses contingent upon meeting certain requirements. For the first acquisition, as of September 28, 2013, the Company estimated the fair value of the obligation as $2,294 using a cash flow based approach discounted with a market discount rate. For the second acquisition, as of September 28, 2013, the Company estimated the fair value of the obligation as $1,154 using a Monte Carlo simulation model discounted using the risk free rate adjusted for an applicable credit spread. During the nine months ended September 28, 2013, the Company remeasured the fair value of the obligation for the second acquisition based on a change in forecast related to the achievement of earnout targets. The change in estimate resulted in a reduction in the liability of $3,371 and was recorded to selling general and administrative expenses in the statement of operations. For both of the acquisitions, total accretion of $1,362 was recognized during the nine months ended September 28, 2013.

Ending earnout and milestone payment liability at December 31, 2012	$	5,457
Accretion	1,362
Change in estimate	(3,371		)
Ending earnout and milestone payment liability at September 28, 2013	$	3,448

Financial Instruments Not Recorded at Fair Value on a Recurring Basis

The Company entered into a cross-licensing agreement in 2012. The fair value of the cross-licensing liability was estimated using a discounted cash flow model which discounts future cash flows using an incremental borrowing rate of 9%. The cross-licensing liability was categorized as Level 3 in the fair value hierarchy and its ending fair value at September 28, 2013 was $15,027, of which $3,000 was current and is included in other current liabilities in the balance sheet.

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Stock Repurchase Program Stock Repurchase Program (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012
Payments for Repurchase of Equity [Abstract]
Stock Repurchase Program, Authorized Amount	$ 75,000
Stock Repurchased During Period, Shares	7,670	4,879
Repurchase of common stock	$ 51,125	$ 25,000

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Investments in Cash Equivalents and Marketable Securities (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 28, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	$ 1,810	$ 75,857
Available For Sale Securities Net Unrealized Gains	1	0
Available For Sale Securities Net Unrealized Losses	0	(3)
Available-for-sale Securities	1,811	75,854
Maximum Term Of Available For Sale Securities	1 year	1 year
Marketable Securities, Realized Loss, Other than Temporary Impairments, Amount	0
Cash Equivalents [Member] | Money Market Funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	1,258	53,549
Available For Sale Securities Net Unrealized Gains	0	0
Available For Sale Securities Net Unrealized Losses	0	0
Available-for-sale Securities	1,258	53,549
Short Term Marketable Securities [Member] | Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis		14,933
Available For Sale Securities Net Unrealized Gains		0
Available For Sale Securities Net Unrealized Losses		(3)
Available-for-sale Securities		14,930
Short Term Marketable Securities [Member] | US Government-sponsored Enterprises Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis		1,065
Available For Sale Securities Net Unrealized Gains		0
Available For Sale Securities Net Unrealized Losses		0
Available-for-sale Securities		1,065
Short Term Marketable Securities [Member] | Municipal Notes [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	552
Available For Sale Securities Net Unrealized Gains	1
Available For Sale Securities Net Unrealized Losses	0
Available-for-sale Securities	553
Short Term Marketable Securities [Member] | US Treasury Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis		4,510
Available For Sale Securities Net Unrealized Gains		0
Available For Sale Securities Net Unrealized Losses		0
Available-for-sale Securities		4,510
Short Term Marketable Securities [Member] | Certificates of Deposit [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis		1,800
Available For Sale Securities Net Unrealized Gains		0
Available For Sale Securities Net Unrealized Losses		0
Available-for-sale Securities		$ 1,800

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Stock Repurchase Program Stock Repurchase Program (Notes)

9 Months Ended

Sep. 28, 2013

Payments for Repurchase of Equity [Abstract]

Stock Repurchase [Text Block]

Stock Repurchase Program

On May 13, 2013, the Company's Board of Directors approved a stock repurchase program authorizing the purchase, at the discretion of management, of up to $75,000 of the Company's outstanding common stock. Common stock repurchases may be made from time to time in the open market at prevailing market prices or through privately negotiated transactions. The timing of open market and privately negotiated purchases will be dependent upon market conditions and other corporate considerations, including price, corporate and regulatory requirements and alternative investment opportunities. The Company expects to use available cash to fund the repurchase program. Shares of common stock repurchased by the Company through the repurchase program will be retired and will have no impact on total shares authorized.

During the nine months ended September 28, 2013 and September 29, 2012, the Company repurchased 7,670 and 4,879 shares for $51,125 and $25,000, respectively, using available cash.

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Stock-Based Compensation

9 Months Ended

Sep. 28, 2013

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

Stock-based Compensation

Stock-Based Compensation

Stock-based compensation expense consists of compensation costs related to grants of stock options, RSUs, MSUs and the ESPP. The table below summarizes the stock-based compensation expense for the three and nine months ended September 28, 2013 and September 29, 2012:

	Three Months Ended				Nine Months Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Stock-based compensation expense:
Cost of goods sold	$	1,720	$	2,549	$	5,327	$	6,477
Research, development and engineering	2,802		2,226		7,897		6,914
Selling, general and administrative	2,391		2,589		7,905		8,228
Total stock-based compensation expense included in net income (loss) from operations	$	6,913	$	7,364	$	21,129	$	21,619

Stock Options

The following table summarizes the Company’s stock option transactions for the nine months ended September 28, 2013:

	Nine Months Ended
	September 28, 2013
	Shares		Weighted-average exercise price per share
Outstanding at December 31, 2012	33,241		$	6.56
Granted	7,015		5.86
Exercised	(2,435	)	4.59
Forfeited	(1,190	)	7.27
Outstanding at September 28, 2013	36,631		$	6.53

Restricted Stock Units

During the three and nine months ended September 28, 2013, the Company granted RSUs to non-executive employees under the stockholder approved 2013 Incentive Plan. RSUs are converted into shares of Company common stock upon vesting on a one-for-one basis. The awards typically vest over four years and vesting is subject to the grantee’s continued service with the Company. In the event of a Change in Control, all outstanding RSUs will become fully vested. The compensation expense related to the service-based RSU awards is determined using the fair market value of Company common stock on the date of the grant, and the compensation expense, reduced by estimated forfeitures, is recognized over the vesting period.

The following table summarizes RSU activity during nine months ended September 28, 2013:

	Nine Months Ended
	September 28, 2013
	Shares	Weighted-average exercise price per share
Outstanding at December 31, 2012	—	—
Granted	100	$	7.76
Outstanding at September 28, 2013	100	$	7.76

Market-Based Restricted Stock Units

During the nine months ended September 28, 2013, the Company granted MSUs to certain members of executive management. The number of shares that are ultimately awarded is contingent upon the achievement of pre-determined market and service conditions. Market conditions must be met for shares to be awarded, even if the service conditions are met. Fair value of the awards is determined at the grant date based on the target number of awards ultimately expected to be awarded. Compensation expense associated with the awards is calculated based on the target number of shares ultimately expected to be awarded and is recognized on a straight line basis over the requisite service period and will not be reversed even if the market conditions are not met. The number of shares of common stock to be awarded will range from zero to 150 percent of the target number of stock units based on the Company's total stockholder return (“TSR”) relative to the performance of companies in the SPDR S&P Semiconductor Index ("SPDR") for each measurement period. TSR is calculated based on market performance between the beginning and end of the award period, generally over three years. Based on the number of awards outstanding during the three and nine months ended September 28, 2013, the maximum number of shares of common stock that could be awarded is 299 shares.

The fair value of the MSUs was determined using a Monte Carlo simulation model. The Monte Carlo simulation model is affected by assumptions regarding subjective and complex variables. Generally, the Company's assumptions are based on historical information and judgment is required to determine if historical trends may be indicators of future outcomes. Key assumptions for the Monte Carlo simulation model were as follows:

	Three Months Ended			Nine Months Ended
	September 28, 2013		September 29, 2012	September 28, 2013		September 29, 2012
Risk free interest rates	0.4	%	—	0.4	%	—
Expected dividend yield	—		—	—		—
Expected volatility	56.2	%	—	56.2	%	—
Correlation coefficient to SPDR	0.59		—	0.59		—

In the following table, MSU activity during the nine months ended September 28, 2013 is presented at 100 percent of the target number of shares of common stock that may potentially be awarded:

	Nine Months Ended
	September 28, 2013
	Shares	Weighted-average grant date fair value
Outstanding at December 31, 2012	—	$	—
Granted	199	7.45
Outstanding at September 28, 2013	199	$	7.45

ESPP

Employees participating in the ESPP authorize the Company to withhold compensation and to use the withheld amounts to purchase shares of the Company's common stock at a discount.

The table below summarizes the ESPP common stock purchases for the three and nine months ended September 28, 2013 and September 29, 2012.

	Three Months Ended		Nine Months Ended
	September 28, 2013	September 29, 2012	September 28, 2013	September 29, 2012
Shares purchased	—	—	1,872	1,770

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Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 28, 2013

Fair Value Disclosures [Abstract]

Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table

Assets and liabilities measured and recorded at fair value on a recurring basis at September 28, 2013 are as follows:
	Carrying Amount		Total Fair Value
					Cash		Level 1		Level 2		Level 3
Measured on a recurring basis:
Assets:
Cash	$	25,069	$	25,069	$	25,069	$	—	$	—	$	—
Cash equivalents	1,258		1,258		—		1,258		—		—
Short-term—marketable securities	553		553		—		—		553		—
Non-qualified deferred compensation plan	6,049		6,049		—		6,049		—		—
Total	$	32,929	$	32,929	$	25,069	$	7,307	$	553	$	—
Liabilities:
Earnout and milestone payment liability	3,448		3,448		—		—		—		3,448
Non-qualified deferred compensation plan	6,049		6,049		—		6,049		—		—
Total	$	9,497	$	9,497	$	—	$	6,049	$	—	$	3,448
Assets and liabilities measured and recorded at fair value on a recurring basis at December 31, 2012 are as follows:
	Carrying Amount		Total Fair Value
					Cash		Level 1		Level 2		Level 3
Measured on a recurring basis:
Assets:
Cash	$	63,104	$	63,104	$	63,104	$	—	$	—	$	—
Cash equivalents	53,549		53,549		—		53,549		—		—
Short-term—marketable securities	22,305		22,305		—		4,510		17,795		—
Non-qualified deferred compensation plan	4,591		4,591		—		4,591		—		—
Total	$	143,549	$	143,549	$	63,104	$	62,650	$	17,795	$	—
Liabilities:
Earnout and milestone payment liability	$	5,457	$	5,457	$	—	$	—	$	—	$	5,457
Non-qualified deferred compensation plan	4,591		4,591		—		4,591		—		—
Total	$	10,048	$	10,048	$	—	$	4,591	$	—	$	5,457

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation

Ending earnout and milestone payment liability at December 31, 2012	$	5,457
Accretion	1,362
Change in estimate	(3,371		)
Ending earnout and milestone payment liability at September 28, 2013	$	3,448

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Subsequent Events Subsequent Events (Notes)

9 Months Ended

Sep. 28, 2013

Subsequent Events [Abstract]

Subsequent Events [Text Block]

Subsequent Events

On October 14, 2013, management approved plans to dispose of assets relating to a reduction of gallium arsenide ("GaAs") capacity. In the fourth quarter of 2013, the Company will record a loss on disposal for the difference between the carry value of the assets and proceeds upon disposal, less costs to sell. The loss is expected to be between $20,000 and $25,000.

XML

Document and Entity Information Document	9 Months Ended
	Sep. 28, 2013	Oct. 28, 2013
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Entity Common Stock, Shares Outstanding		160,605,803.000
Document Period End Date	Sep. 28, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q3
Trading Symbol	TQNT
Entity Registrant Name	TRIQUINT SEMICONDUCTOR INC
Entity Central Index Key	0000913885
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No

XML

Basis of Presentation (Policies)

9 Months Ended

Sep. 28, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Use of Estimates

In addition, the preparation of financial statements in conformity with GAAP requires management to make estimates and judgments that affect the amounts reported in the financial statements and accompanying notes. For TriQuint Semiconductor, Inc. (the “Company”), the accounting estimates requiring management’s most difficult and subjective judgments include revenue recognition, the valuation of inventory, the accounting for income taxes, precious metals reclaim and stock-based compensation.

Fair Value Policy

The Company accounts for its assets utilizing a hierarchy of valuation techniques based on whether the inputs to those valuation techniques are observable or unobservable. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect the Company’s market assumptions. These two types of inputs have created the following fair-value hierarchy:

• Level 1—Quoted prices for identical instruments in active markets;

• Level 2—Quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets; and

• Level 3—Valuations derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable.

The instruments classified as Level 1 are measured at fair value using quoted market prices. The investments classified as Level 2 were valued using quoted prices for similar instruments in markets that are not active since identical instruments were not available. The Company determines the hierarchy levels at the end of each quarter.

Marketable Securities Policy

All unrealized gains and losses on available-for-sale investments are included in other comprehensive loss.

Earnings Per Share Policy

Net income (loss) per share is presented as basic and diluted net income (loss) per share. Basic net income (loss) per share is net income (loss) available to common stockholders divided by the weighted-average number of common shares outstanding. Diluted net income per share is similar to basic net income (loss) per share, except that the denominator includes potential common shares that, had they been issued, would have had a dilutive effect.

Goodwill and Intangible Assets Policy

The Company is required to perform an impairment analysis on its goodwill at least annually, or when events and circumstances warrant. Conditions that would trigger an impairment assessment, include, but are not limited to, a significant adverse change in legal factors or in the business climate that could affect the value of an asset or an adverse action or assessment by a regulator. The Company is considered one reporting unit. When the Company performed this test in 2012, the Company elected to use the two-step goodwill impairment test. Therefore, to determine whether goodwill may be impaired, the Company compares its book value to its market capitalization. If the trading price of the Company’s common stock, as adjusted for factors such as a control premium, is below the book value per share at the date of the annual impairment test or if the average trading price of the Company’s common stock is below book value per share for a sustained period, a goodwill impairment test will be performed by comparing book value to estimated market value. If the comparison of book value to estimated market value indicates impairment, then the Company compares the estimated market value of goodwill to its carrying amount in a manner similar to a purchase price allocation for a business combination. If the carrying amount of goodwill exceeds its estimated market value, an impairment loss is recognized equal to that excess.

Unless indicators warrant testing at an earlier date, the Company performs its annual goodwill impairment test in the fourth quarter of each year. During the nine months ended September 28, 2013, there were no impairments recorded.

Amortization of Loan Fees

The initial fees associated with the Agreement were capitalized and are being amortized to interest expense using the straight-line method over the remaining term to maturity.

Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]

Market-Based Restricted Stock Units

During the nine months ended September 28, 2013, the Company granted MSUs to certain members of executive management. The number of shares that are ultimately awarded is contingent upon the achievement of pre-determined market and service conditions. Market conditions must be met for shares to be awarded, even if the service conditions are met. Fair value of the awards is determined at the grant date based on the target number of awards ultimately expected to be awarded. Compensation expense associated with the awards is calculated based on the target number of shares ultimately expected to be awarded and is recognized on a straight line basis over the requisite service period and will not be reversed even if the market conditions are not met. The number of shares of common stock to be awarded will range from zero to 150 percent of the target number of stock units based on the Company's total stockholder return (“TSR”) relative to the performance of companies in the SPDR S&P Semiconductor Index ("SPDR") for each measurement period. TSR is calculated based on market performance between the beginning and end of the award period, generally over three years.

Restricted Stock Units

During the three and nine months ended September 28, 2013, the Company granted RSUs to non-executive employees under the stockholder approved 2013 Incentive Plan. RSUs are converted into shares of Company common stock upon vesting on a one-for-one basis. The awards typically vest over four years and vesting is subject to the grantee’s continued service with the Company. In the event of a Change in Control, all outstanding RSUs will become fully vested. The compensation expense related to the service-based RSU awards is determined using the fair market value of Company common stock on the date of the grant, and the compensation expense, reduced by estimated forfeitures, is recognized over the vesting period.

Commitments and Contingencies, Policy [Policy Text Block]

Legal Matters

The Company is from time to time involved in litigation, certain other claims and arbitration matters arising in the ordinary course of its business. The Company accrues for a liability when it is both probable that a liability has been incurred and the amount of the loss can be reasonably estimated.  Significant judgment is required in both the determination of the probability of a loss and the determination as to whether a loss is reasonably estimable. These accruals are reviewed at least quarterly and adjusted to reflect the effects of negotiations, settlements, rulings, advice of legal counsel and technical experts and other information and events pertaining to a particular matter.  To the extent there is a reasonable possibility (within the meaning of FASB Accounting Standards Codification ("ASC") 450) that losses could exceed amounts already accrued, if any, and the additional loss or range of loss is able to be estimated, management discloses the additional loss or range of loss.