Cavium (CAVM) 10-Q 4 Nov 13 2013 Q3 Quarterly report Financial data

Document_and_Entity_Informatio

Document and Entity Information	9 Months Ended
	Sep. 30, 2013	Nov. 01, 2013
Document Information [Line Items]	'	'
Document Type	'10-Q	'
Amendment Flag	'false	'
Document Period End Date	30-Sep-13	'
Document Fiscal Year Focus	'2013	'
Document Fiscal Period Focus	'Q3	'
Trading Symbol	'CAVM	'
Entity Registrant Name	'CAVIUM, INC.	'
Entity Central Index Key	'0001175609	'
Current Fiscal Year End Date	'--12-31	'
Entity Filer Category	'Large Accelerated Filer	'
Entity Common Stock, Shares Outstanding	'	51,986,742

Condensed_Consolidated_Balance

Condensed Consolidated Balance Sheets (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Current assets:	'	'
Cash and cash equivalents	$112,960	$76,784
Accounts receivable, net of allowances of $951 and $991, respectively	46,504	33,567
Inventories	42,455	46,508
Prepaid expenses and other current assets	4,255	4,865
Assets held for sale	'	2,609
Deferred tax assets	112	568
Total current assets	206,286	164,901
Property and equipment, net	25,776	30,692
Intangible assets, net	53,003	62,888
Goodwill	71,478	71,478
Deferred tax assets, net of current portion	60	449
Other assets	1,044	1,096
Total assets	357,647	331,504
Current liabilities:	'	'
Accounts payable	23,992	16,083
Other accrued expenses and other current liabilities	9,754	8,680
Deferred revenue	10,689	12,944
Notes payable	11,012	1,012
Capital lease and technology license obligations	11,755	16,500
Total current liabilities	67,202	55,219
Notes payable, net of current portion	'	4,000
Capital lease and technology license obligations, net of current portion	18,268	24,832
Deferred tax liability	2,128	2,421
Other non-current liabilities	2,789	1,970
Total liabilities	90,387	88,442
Commitments and contingencies (Note 11)	'	'
Equity	'	'
Common stock, par value $0.001: 200,000,000 shares authorized; 51,578,640 and 50,630,991 shares issued and outstanding, respectively	52	51
Additional paid-in capital	433,507	398,133
Accumulated deficit	-157,244	-154,092
Total stockholders’ equity attributable to the Company	276,315	244,092
Non-controlling interest	-9,055	-1,030
Total equity	267,260	243,062
Total liabilities and equity	$357,647	$331,504

Condensed_Consolidated_Balance1

Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, except Share data, unless otherwise specified
Allowances for accounts receivable	$951	$991
Common stock, par value	$0.00	$0.00
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	51,962,790	50,630,991
Common stock, shares outstanding	51,962,790	50,630,991

Condensed_Consolidated_Stateme

Condensed Consolidated Statements Of Operations (USD $)	3 Months Ended		9 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net revenue	$79,124	$61,081	$222,858	$169,111
Cost of revenue	28,516	24,796	85,620	77,553
Gross profit	50,608	36,285	137,238	91,558
Operating expenses:	'	'	'	'
Research and development	33,630	26,185	98,469	79,366
Sales, general and administrative	14,833	19,213	46,217	50,186
Total operating expenses	48,463	45,398	144,686	129,552
Income (loss) from operations	2,145	-9,113	-7,448	-37,994
Other expense, net:	'	'	'	'
Interest expense	-390	-11	-1,107	-65
Other, net	-126	-720	-805	-828
Total other expense, net	-516	-731	-1,912	-893
Income (loss) before income taxes	1,629	-9,844	-9,360	-38,887
Provision for (benefit from) income taxes	714	-1,719	1,817	-5,094
Net income (loss)	915	-8,125	-11,177	-33,793
Net loss attributable to non-controlling interest	-3,421	'	-8,025	'
Net income (loss) attributable to the Company	$4,336	($8,125)	($3,152)	($33,793)
Earnings per share attributable to the Company:	'	'	'	'
Net income (loss) per common share, basic	$0.08	($0.16)	($0.06)	($0.68)
Shares used in computing basic net income (loss) per common share	51,772	50,060	51,425	49,684
Net income (loss) per common share, diluted	$0.08	($0.16)	($0.06)	($0.68)
Shares used in computing diluted net income (loss) per common share	53,492	50,060	51,425	49,684

Condensed_Consolidated_Stateme1

Condensed Consolidated Statements Of Cash Flows (USD $)	9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities:	'	'
Net loss	($11,177)	($33,793)
Adjustments to reconcile net loss to net cash provided by operating activities:	'	'
Stock-based compensation expense	25,768	28,773
Depreciation and amortization	26,589	23,298
Deferred income taxes	552	-5,479
Gain on sale of held for sale assets	-747	'
Loss on disposal of property and equipment	'	178
(Gain) loss on disposition of certain consumer product assets	-750	2,728
Changes in assets and liabilities:	'	'
Accounts receivable, net	-12,937	4,875
Inventories	4,147	-2,414
Prepaid expenses and other current assets	915	-802
Other assets	52	404
Accounts payable	6,202	2,265
Deferred revenue	-2,254	2,662
Accrued expenses and other current and non-current liabilities	1,910	-2,195
Net cash provided by operating activities	38,270	20,500
Cash flows from investing activities:	'	'
Purchases of property and equipment	-5,528	-11,300
Purchases of intangible assets	-3,568	-4,153
Proceeds received from sale of held for sale assets	3,350	'
Proceeds received from disposition of certain consumer product assets	750	'
Net cash used in investing activities	-4,996	-15,453
Cash flows from financing activities:	'	'
Proceeds from issuance of common stock upon exercise of options	9,528	6,647
Principal payment of capital lease and technology license obligations	-13,369	-7,629
Notes payable of the VIE to non-controlling interest	6,000	'
Tax withholdings for stock option exercises on behalf of employees	743	'
Net cash provided by (used in) financing activities	2,902	-982
Net increase in cash and cash equivalents	36,176	4,065
Cash and cash equivalents, beginning of period	76,784	63,225
Cash and cash equivalents, end of period	112,960	67,290
Supplemental disclosure of cash flows from investing activities	'	'
Property and equipment and intangible assets acquired included in accounts payable and other accrued expense and other current liabilities	2,272	382
Supplemental disclosure of cash flow from financing activities:	'	'
Property and equipment and intangible assets acquired included in capital lease and technology license obligations	$313	$23,794

Organization_and_Basis_of_Pres

Organization and Basis of Presentation	9 Months Ended
	Sep. 30, 2013
Organization and Basis of Presentation	'
	1. Organization and Basis of Presentation
	Organization
	Cavium, Inc., (the “Company”), was incorporated in the state of California on November 21, 2000 and was reincorporated in the state of Delaware effective February 6, 2007. The Company designs, develops and markets semiconductor processors for intelligent and secure networks.
	Basis of Presentation
	The condensed consolidated financial statements include the accounts of Cavium, Inc., its wholly owned subsidiaries, and a variable interest entity, or VIE, of which the Company is the primary beneficiary. Under the accounting principles generally accepted in the United States of America, or US GAAP, a VIE is required to be consolidated by its primary beneficiary. The primary beneficiary is the party that absorbs a majority of the VIE’s anticipated losses and/or a majority of the expected returns. See Note 5 of Notes to Condensed Consolidated Financial Statements for detailed discussions of the VIE. Intercompany transactions and balances have been eliminated in consolidation.
	The condensed consolidated financial statements have been prepared in accordance with US GAAP, and pursuant to the rules and regulations of the Securities and Exchange Commission, or SEC. Accordingly, they do not include all of the information and footnotes required by US GAAP for annual financial statements. For further information, these financial statements should be read in conjunction with the Company’s Annual Report on Form 10-K (File No. 001-33435) on file with the SEC for the year ended December 31, 2012.
	The condensed consolidated financial statements contain all normal recurring accruals and adjustments that, in the opinion of management, are necessary to state fairly the Company’s condensed consolidated financial position at September 30, 2013, and the condensed consolidated results of its operations for the three and nine months ended September 30, 2013 and 2012, and condensed consolidated statements of cash flows for the nine months ended September 30, 2013 and 2012. The results of operations for the three and nine months ended September 30, 2013 are not necessarily indicative of the results to be expected for the full year.
	The condensed consolidated balance sheet at December 31, 2012 has been derived from the audited consolidated financial statements at that date, but does not include all of the information and footnotes required by GAAP.
	Significant Accounting Policies
	The Company’s significant accounting policies are disclosed in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012. There had been no material changes to these accounting policies.
	Recent Accounting Pronouncements
	In July 2013, the Financial Accounting Standards Board issued a new accounting guidance relating to the financial statement presentation of unrecognized tax benefits. The new update provides that a liability related to an unrecognized tax benefit would be presented as a reduction of a deferred tax asset for a net operating loss carryforward, a similar tax loss or a tax credit carryforward if such settlement is required or expected in the event the uncertain tax position is disallowed. The new guidance becomes effective for the Company on January 1, 2014 and it should be applied prospectively to unrecognized tax benefits that exist at the effective date with retrospective application permitted. The Company does not expect that this new guidance to have a significant impact on the Company’s consolidated financial position, results of operations and cash flows.

Net_Income_Loss_Per_Common_Sha

Net Income (Loss) Per Common Share	9 Months Ended
	Sep. 30, 2013
Net Income (Loss) Per Common Share	'
	2. Net Income (Loss) Per Common Share
	The following table sets forth the computation of net income (loss) per share:
		Three Months Ended										Nine Months Ended
		September 30,										September 30,
		2013				2012				2013					2012
		(in thousands, except per share data)
	Net income (loss) attributable to the Company	$		4,336		$	(8,125	)		$			(3,152	)	$	(33,793	)
	Weighted average common shares outstanding—basic			51,772			50,060						51,425			49,684
	Dilutive effect of employee stock plans			1,720			—						—			—
	Weighted average common shares outstanding—diluted			53,492			50,060						51,425			49,684
	Net income (loss) per common share, basic	$		0.08		$	(0.16	)		$			(0.06	)	$	(0.68	)
	Net income (loss) per common share, diluted	$		0.08		$	(0.16	)		$			(0.06	)	$	(0.68	)
	The following outstanding options and restricted stock units were excluded from the computation of diluted net income (loss) per common share for the periods presented because including them would have had an anti-dilutive effect:
		Three Months Ended						Nine Months Ended
		September 30,						September 30,
		2013			2012			2013		2012
		(in thousands)
	Options to purchase common stock		727			4,346			3,637		4,346
	Restricted stock units		1			2,040			1,887		2,040

Fair_Value_Measurements

Fair Value Measurements	9 Months Ended
	Sep. 30, 2013
Fair Value Measurements	'
	3. Fair Value Measurements
	At September 30, 2013 and December 31, 2012, all of the Company’s investments were classified as cash equivalents and are comprised of an investment in a money market fund. In accordance with the guidance for fair value measurements and disclosures, the Company determined the fair value hierarchy of its money market fund as Level 1, which approximated $72.2 million and $50.2 million as of September 30, 2013 and December 31, 2012, respectively. The carrying amount of the Company’s accounts receivable, accounts payable and accrued expenses approximate fair value due to their short term maturities. Notes payable are carried at cost which approximates fair value based on current interest rates available to the Company and are a Level 2 measurement. There are no other financial assets and liabilities that require Level 2 or Level 3 fair value hierarchy measurements and disclosures.

Balance_Sheet_Components

Balance Sheet Components	9 Months Ended
	Sep. 30, 2013
Balance Sheet Components	'
	4. Balance Sheet Components
	Inventories
		As of			As of
		September 30, 2013			December 31, 2012
		(in thousands)
	Work-in-process	$	34,791		$	33,418
	Finished goods		7,664			13,090
		$	42,455		$	46,508
	During the second quarter of 2013, the Company incurred a $3.9 million inventory write-down associated with discontinued consumer products.
	Property and equipment, net
		As of			As of
		September 30, 2013			December 31, 2012
		(in thousands)
	Mask costs and test equipment	$	37,392		$	32,771
	Software, computer and other equipment		38,363			35,563
	Furniture, office equipment and leasehold improvements		1,181			1,089
			76,936			69,423
	Less: accumulated depreciation and amortization		(51,160	)		(38,731	)
		$	25,776		$	30,692
	Depreciation and amortization expense was $4.4 million and $3.8 million for the three months ended September 30, 2013 and 2012, respectively, and $13.2 million and $10.3 million for the nine months ended September 30, 2013 and 2012, respectively.
	The Company leases certain design tools under capital lease and certain financing arrangements which are included in property and equipment, which total cost, net of accumulated amortization amounted to $12.1 and $16.8 million at September 30, 2013 and December 31, 2012, respectively. Amortization expense related to assets recorded under capital lease and certain financing agreements was $1.6 million and $1.2 million for the three months ended September 30, 2013 and 2012, respectively, and $4.8 million and $3.3 million for the nine months ended September 30, 2013 and 2012, respectively.
	Other accrued expenses and other current liabilities
		As of			As of
		September 30, 2013			December 31, 2012
		(in thousands)
	Accrued compensation and related benefits	$	4,843		$	4,458
	Professional fees		1,593			1,067
	Contractual settlement payable		1,250			—
	Restructuring related payables		107			210
	Income tax payable		47			467
	Other		1,914			2,478
		$	9,754		$	8,680
	Warranty Accrual
	The following table presents a reconciliation of the warranty liability, which is included within other accrued expenses and other current liabilities above:
		Three Months Ended							Nine Months Ended
		September 30,							September 30,
		2013			2012			2013				2012
		(in thousands)
	Beginning balance	$	317		$	423		$		440		$	412
	Accruals and adjustments		25			113				257			391
	Settlements		(68	)		(109	)			(423	)		(376	)
	Ending balance	$	274		$	427		$		274		$	427
	Deferred revenue
		As of			As of
		September 30, 2013			December 31, 2012
		(in thousands)
	Services / support and maintenance	$	6,534		$	8,017
	Software license / subscription		1,523			2,529
	Distributors		2,632			2,398
		$	10,689		$	12,944

Business_Combinations_and_Dive

Business Combinations and Divestitures	9 Months Ended
	Sep. 30, 2013
Business Combinations and Divestitures	'
	5. Business Combinations and Divestitures
	Variable Interest Entity
	In May 2012, the Company entered into a secured note purchase agreement with a VIE to provide cash advances. As of September 30, 2013, the Company had made cash advances of $4.0 million under three convertible notes receivable which mature between December 31, 2013 and August 31, 2014. In addition, a third-party company and third party investors (“non-controlling interest”) had made cash advances of $5.0 million and $6.0 million, respectively, under twelve convertible notes receivable which mature between December 31, 2013 and August 31, 2014. Certain of the convertible notes are collateralized by a lien on the VIE’s assets. Pursuant to the convertible notes, in the event of a qualified equity financing of the VIE, the outstanding principal balance plus the accrued interest of the convertible notes would be automatically converted into preferred stock of the VIE. The Company has a purchase option to acquire the assets of the VIE at a price specified in the secured note purchase agreement. The option to purchase expires on December 31, 2013, provided the VIE has met certain milestones specified in the secured note purchase agreement. If the certain milestones have not been met by December 31, 2013, the expiration shall be the date that is the earlier of 30 days after the VIE meets the specified milestones or July 31, 2014. The Company has concluded that it is the primary beneficiary of the VIE due to the Company’s involvement with the VIE and the purchase option to acquire the assets of the VIE. As such, the Company has included the accounts of the VIE in the condensed consolidated financial statements. The significant components of the VIE’s financial statements included in the Company’s condensed consolidated financial statements as of September 30, 2013 include cash of $1.8 million; property and equipment and intangible assets of $1.0 million; accounts payable of $2.9 million; notes payable of $11.0 million and non-controlling interest of $9.0 million. For the three and nine months ended September 30, 2013, the Company’s portion of the net loss of the VIE was $1.3 million and $4.1 million, respectively. For the three and nine months ended September 30, 2012, the Company’s portion of the net loss of the VIE was $0.8 million.
	Disposition of Certain Consumer Product Assets
	In September 2012, the Company completed the sale of certain consumer product assets to a third party company. The consumer product assets that were sold originated from the acquisition of Star Semiconductor Corporation in fiscal year 2008 and had been further developed by the Company. Under an asset purchase agreement, the Company agreed to transfer certain assets such as property and equipment and intangible assets to the third party company for an aggregate cash consideration of $2.4 million, payable in installments starting from January 10, 2013 through January 10, 2015. The Company determined that the payment terms were not fixed and determinable and as such the Company treated this transaction as disposition of assets and will recognize the future payments as a credit to sales, general and administrative expenses when the payments are due. The carrying value of the assets related to the sale of $2.7 million was recognized as a loss on disposition of certain consumer product assets within sales, general and administrative expenses during the third quarter of 2012. During the three and nine months ended September 30, 2013, the Company received total installment cash consideration of $0.3 million and $0.8 million, respectively, which were recognized as credits within sales, general and administrative expenses.
	Sale of Held for Sale Assets
	In January 2013, the Company completed the sale of certain assets to a third-party company. The assets sold originated from the acquisition of MontaVista Software, Inc. in fiscal year 2009. Under the asset purchase agreement, the Company agreed to transfer certain assets for an aggregate cash consideration of $3.3 million. The carrying value of the assets held for sale was approximately $2.6 million, consisting of a portion of goodwill of $2.2 million and the remaining related to the carrying costs of the transferred property and equipment and intangible assets. These assets were classified as assets held for sale in the consolidated balance sheets as of December 31, 2012. The difference between the sale consideration and the carrying value of the assets held for sale of $0.7 million was recognized as a gain on sale of held for sale assets within sales, general and administrative expenses during the first quarter of 2013.

Goodwill_and_Intangible_Assets

Goodwill and Intangible Assets, Net	9 Months Ended
	Sep. 30, 2013
Goodwill and Intangible Assets, Net	'
	6. Goodwill and Intangible Assets, Net
	Goodwill
	The carrying amount of goodwill at September 30, 2013 was $71.5 million, unchanged from the balance at December 31, 2012.
	The Company reviews goodwill for impairment annually at the beginning of its fourth calendar quarter and whenever events or changes in circumstances that would more-likely-than-not reduce the fair value of a reporting unit below its carrying amount. For the most recent annual goodwill impairment analysis performed during the fourth quarter of 2012, the Company had two reporting units, namely, semiconductor product unit and software and services unit. The result of the most recent annual impairment test showed that goodwill impairment does not exist in its semiconductor product reporting unit due to a significant excess of the fair value over the carrying value of the reporting unit. The Company however determined that goodwill impairment existed in its software and services reporting unit as a result of the most recent annual goodwill impairment assessment. As such, the Company recorded a $27.7 million goodwill impairment charge in the fourth quarter of 2012. The carrying amount of the goodwill at December 31, 2012 was $56.3 million in the semiconductor products reporting unit and $15.2 million in the software and services reporting unit.
	During the first quarter of 2013, due to the sale of certain assets of MontaVista and the reorganization of resources, the Company changed how it manages and operates the business which resulted in the combination of the semiconductor product and software and services into one reporting unit. See related discussions in Note 10 of Notes to Condensed Consolidated Financial Statements. As such, beginning in the first quarter of 2013, the Company assesses the goodwill impairment at the reporting unit level which is at the Company level as a whole. Due to the change in the reporting unit structure, the Company performed a qualitative assessment of the goodwill at the Company level as a whole and concluded that it was more-likely-than-not that the fair value of the reporting unit exceeded the carrying amount as of March 31, 2013. As such, it was not necessary to perform the two-step goodwill impairment test at that time. In assessing the qualitative factors, the Company considered the impact of these key factors: overall financial performance, industry and competitive market environment, market capitalization and stock price. There had been no triggering events since the latest assessment in the first quarter of 2013 to cause an interim impairment test.
	Intangible assets, net
		As of September 30, 2013										Weighted average
												remaining amortization
		Gross			Accumulated				Net			period (years)
					Amortization
		(in thousands)
	Existing and core technology - product	$	46,533	$		(38,645	)	$		7,888	1.82
	Technology licenses		68,769			(27,331	)			41,438	7.14
	Customer contracts and relationships		8,991			(5,889	)			3,102	4.23
	Trade name		2,296			(1,721	)			575	1.35
	Order backlog		640			(640	)			—	—
	Total amortizable intangible assets	$	127,229	$		(74,226	)	$		53,003	6.50
		As of December 31, 2012										Weighted average
												remaining amortization
		Gross			Accumulated				Net			period (years)
					Amortization
		(in thousands)
	Existing and core technology - product	$	47,658	$		(35,326	)	$		12,332	2.39
	Technology licenses		66,034			(20,078	)			45,956	7.94
	Customer contracts and relationships		8,991			(5,291	)			3,700	4.93
	Trade name		2,296			(1,396	)			900	2.10
	Order backlog		640			(640	)			—	—
	Total amortizable intangible assets	$	125,619	$		(62,731	)	$		62,888	6.57
	Amortization expense was $4.3 million and $4.8 million for the three months ended September 30, 2013 and 2012, respectively, and $13.4 million and $13.0 million for the nine months ended September 30, 2013 and 2012, respectively.
	The estimated future amortization expense from amortizable intangible assets is as follows (in thousands):
	Remainder of 2013	$	4,240
	2014		14,471
	2015		7,854
	2016		5,704
	2017		4,505
	2018 and thereafter		16,229
		$	53,003

Restructuring_Accrual

Restructuring Accrual	9 Months Ended
	Sep. 30, 2013
Restructuring Accrual	'
	7. Restructuring Accrual
	In the first quarter of 2012, the Company recorded a restructuring accrual of $0.4 million related to the leased facility in Canada which the Company no longer occupies. The lease will expire in March 2014.
	In connection with a workforce reduction during the first quarter of 2013, the Company incurred $1.4 million in expense primarily related to severance and other related benefits.
	A summary of the accrued restructuring liabilities including related activities during the nine months ended September 30, 2013, is as follows:
		Severance			Excess			Total
		and other			Facility
		benefits			Related Cost
		(in thousands)
	Balance at December 31, 2012	$	—		$	262		$	262
	Additions		1,371			—			1,371
	Cash payments and other non-cash adjustments		(1,371	)		(155	)		(1,526	)
	Balance at September 30, 2013 (current)	$	—		$	107		$	107

Equity

Equity	9 Months Ended
	Sep. 30, 2013
Equity	'
	8. Equity
	Equity Incentive Plans
	The following table summarizes the details related to stock options granted and outstanding under the 2007 Equity Incentive Plan and 2001 Stock Incentive Plan for the nine months ended September 30, 2013:
		Number of Shares				Weighted Average
		Outstanding				Exercise Price
	Balance as of December 31, 2012		4,197,704			$		16.83
	Options granted		242,375					37.15
	Options exercised		(658,374	)				14.45
	Options cancelled and forfeited		(144,982	)				33.86
	Balance as of September 30, 2013		3,636,723			$		17.94
	No stock options were granted during the three months ended September 30, 2013. The fair value of each employee option grant for the three months ended September 30, 2012 and nine months ended September 30, 2013 and 2012 was estimated on the date of grant using the Black-Scholes option pricing model with the following assumptions:
		Three Months Ended								Nine Months Ended
		September 30,								September 30,
		2013		2012				2013				2012
	Risk-free interest rate	—		1.55	%			0.32% to 1.04%				0.57% to 1.55%
	Expected life	—		4.53 years				3.77 to 4.53 years				4.08 to 4.53 years
	Dividend yield	—		0	%			0	%			0	%
	Volatility	—		57.3	%			45.82 to 49.6%				51.3% to 57.3%
	The estimated weighted-average grant date fair value of options granted was $13.03 per share for the three months ended September 30, 2012 and $14.91 and $14.79 per share for the nine months ended September 30, 2013 and 2012.
	As of September 30, 2013, there is $6.8 million of unrecognized compensation costs, net of estimated forfeitures, related to stock options granted under the Company’s 2007 Equity Incentive Plan and 2001 Stock Incentive Plan. The unrecognized compensation cost is expected to be recognized over a weighted average period of 2.28 years.
	The following table summarizes the details related to restricted stock units, or RSUs, granted and outstanding under the 2007 Equity Incentive Plan for the nine months ended September 30, 2013:
		Number of Shares				Weighted-Average
						Grant Date Fair
						Value Per Share
	Balance as of December 31, 2012		1,823,563			$		33.17
	Granted		1,019,420					36.17
	Issued and released		(673,424	)				32.24
	Cancelled and forfeited		(282,993	)				32.18
	Balance as of September 30, 2013		1,886,556			$		35.27
	For restricted stock units, or RSUs, stock-based compensation expense is calculated based on the market price of the Company’s common stock on the date of grant, multiplied by the number of RSUs granted. The grant date fair value of RSUs, less estimated forfeitures, is recorded on a straight-line basis, over the vesting period.
	As of September 30, 2013, there was $53.6 million of unrecognized compensation costs, net of estimated forfeitures related to RSUs granted under the Company’s 2007 Equity Incentive Plan. The unrecognized compensation cost is expected to be recognized over a weighted average period of 2.55 years.
	Stock-Based Compensation
	The following table presents the detail of stock-based compensation expense amounts included in the condensed consolidated statement of operations for each of the periods presented:
		Three Months Ended													Nine Months Ended
		September 30,													September 30,
		2013					2012							2013				2012
		(in thousands)
	Cost of revenue	$		216			$		471					$		655		$		1,539
	Research and development			4,899					4,259							13,682				12,761
	Sales, general and administrative			3,686					4,243							11,431				14,473
		$		8,801			$		8,973					$		25,768		$		28,773
	The total stock-based compensation cost capitalized as part of inventory as of September 30, 2013 and December 31, 2012 was not significant.
	Changes in equity
	A reconciliation of the changes in equity for the nine months ended September 30, 2013 is presented below:
		Attributable to									Attributable to						Total
		the Company									non-controlling						equity
											interest
		(in thousands)
	Balance at December 31, 2012	$		244,092					$				(1,030	)		$			243,062
	Common stock issued in connection with exercises of stock options			9,528									—						9,528
	Stock-based compensation			25,847									—						25,847
	Net loss			(3,152	)								(8,025	)					(11,177		)
	Balance at September 30, 2013	$		276,315					$				(9,055	)		$			267,260

Income_Taxes

Income Taxes	9 Months Ended
	Sep. 30, 2013
Income Taxes	'
	9. Income Taxes
	The quarterly tax provision for (benefit from) income taxes is based on the estimated annual effective tax rate, plus any discrete items. The Company updates its estimate of its annual effective tax rate at the end of each quarterly period. The estimate takes into account estimations of annual pre-tax income, the geographic mix of pre-tax income and interpretations of tax laws and the possible outcomes of current and future audits.
	The following table presents the provision for (benefit from) income taxes and the effective tax rates for the three and nine months ended September 30, 2013 and 2012:
		Three Months Ended							Nine Months Ended
		September 30,							September 30,
		2013			2012				2013				2012
		(in thousands)
	Income (loss) before income taxes	$	1,629		$	(9,844	)		$	(9,360	)		$	(38,887	)
	Provision for (benefit from) income taxes		714			(1,719	)			1,817				(5,094	)
	Effective tax rate		43.8	%		17.5		%		-  19.4		%		13.1		%
	The provision for income taxes for the three and nine months ended September 30, 2013 was primarily related to earnings and additional establishment of unrecognized tax benefits in foreign jurisdictions. The difference between the provision for or benefit from income taxes that would be derived by applying the statutory rate to the Company’s loss before income taxes and the provision for income taxes recorded for the three and nine months ended September 30, 2013 was primarily attributable to the impact of the losses that are not benefited, difference in foreign tax rates and increase in indefinite lived intangible related deferred tax liability. The Company has determined that as of September 30, 2013, the variability in the jurisdictional mix of its customers created uncertainty with respect to estimating taxable income in the Cayman business. As such, the results of the Cayman business have been excluded from the computation of the annual effective tax rate and the year-to-date tax provision, which resulted in a higher tax expense than if the Cayman business had not been excluded. The benefit from income taxes for the three and nine months ended September 30, 2012 was primarily related to the year-to-date pre-tax losses and the release of uncertain tax position reserves. The difference between the provision for or benefit from income taxes that would be derived by applying the statutory rate to the Company’s loss before income taxes and the benefit from income taxes recorded for the three and nine months ended September 30, 2012 was primarily attributable to the impact of the differential in foreign tax rates, non-deductible stock-based compensation charges, and recovery of non-taxable escrow related to the Celestial Semiconductor acquisition.
	The Company’s net deferred tax assets relate predominantly to its United States tax jurisdiction. The need for a valuation allowance requires an assessment of both positive and negative evidence when determining whether it is more-likely-than-not that deferred tax assets are recoverable; such assessment is required on a jurisdiction-by-jurisdiction basis. In making such assessment, significant weight is given to evidence that can be objectively verified. After considering both negative and positive evidence to assess the recoverability of the Company’s net deferred tax assets during the fourth quarter of 2012, the Company determined that it was more-likely-than-not it would not realize the full value of its federal and state deferred tax assets. As such, the Company determined that as of December 31, 2012, a full valuation allowance is required on its net federal and state deferred tax assets. Adjustments could be required in the future if the Company concludes that it is more-likely-than-not that these net deferred tax assets are recoverable. A release of the valuation allowance could have the effect of decreasing the income tax provision in the period the valuation allowance is released. The Company continues to monitor the likelihood that it will be able to recover its deferred tax assets. As of September 30, 2013, the Company believes that it is not more likely than not that it will be able to fully realize its United States federal and state deferred tax assets and, as such, the Company continues to provide a full valuation allowance on those deferred tax assets.
	As of September 30, 2013 and December 31, 2012, the Company had unrecognized tax benefits for income taxes associated with uncertain tax positions of $14.8 million and $12.7 million, respectively. If all of these unrecognized tax benefits were recognized, $1.3 million would reduce the Company’s effective tax rate. The Company is not anticipating any significant changes in unrecognized tax benefits in the next 12 months.
	The Company’s major tax jurisdictions are the United States federal government, the states of California and Massachusetts, Japan, India, China and Singapore. The Company files income tax returns in the United States federal jurisdiction, the states of California and Massachusetts, various other states, and foreign jurisdictions in which it has a subsidiary or branch operations. The United States federal corporation income tax returns beginning with the 2000 tax year remain subject to examination by the Internal Revenue Service. The California corporation income tax returns beginning with the 2000 tax year remain subject to examination by the California Franchise Tax Board. As of September 30, 2013, there are no on-going tax audits in the major tax jurisdictions other than India. The India tax audit is for the tax years 2010 and 2011, and the Company does not expect any significant tax adjustments.
	On January 2, 2013, the President of the United States of America signed into law The American Taxpayer Relief Act of 2012, or ATRA. Under prior law, a taxpayer was entitled to a research tax credit for qualifying amounts incurred through December 31, 2011. The ATRA extends the research credit for two years for qualified research expenditures incurred through the end of 2013. The extension of the research credit is retroactive and includes amounts incurred after 2011. The benefit of the reinstated credit did not impact the income statement in the period of enactment, which is the first quarter of 2013, as the research and development credit carryforwards are offset by a full valuation allowance.
	On September 13, 2013, the Treasury Department and the Internal Revenue Service released final regulations and re-proposed regulations (collectively, the “2013 Regulations”) that provide guidance with respect to sections 162(a), 263(a), and 168 of the Internal Revenue Code of 1986.  The 2013 Regulations are generally effective for taxable years beginning on or after January 1, 2014, although earlier adoption is permitted. The Company is aware of these regulations and is currently assessing the potential impact. The Company does not expect any significant impact, especially in light of the full valuation allowance on its federal and state net deferred tax assets as of September 30, 2013.

Segment_And_Geographic_Informa

Segment And Geographic Information	9 Months Ended
	Sep. 30, 2013
Segment and Geographic Information	'
	10. Segment and Geographic Information
	Operating segments are based on components of the Company that engage in business activity that earn revenue and incur expenses and (a) whose operating results are regularly reviewed by the Company’s chief operating decision maker, or CODM, to make decisions about resource allocation and performance and (b) for which discrete financial information is available. The Company’s primary business has been its semiconductor business, which comes from the development and sale of semiconductor products. Prior to fiscal year 2010, the Company was organized as, and operated in, one operating segment. In the fourth quarter of 2009, the Company acquired MontaVista which changed the way the CODM viewed and managed the business and allocated resources. This resulted in the Company to operate in two reporting units which were the same as the reportable segments namely, semiconductor products and software and services beginning first quarter of 2010.
	During the first quarter of 2013, the Company sold certain assets and reorganized the software and services unit which resulted in a decrease in the significance of the related business unit to the overall operations of the Company. Due to such decrease in the significance of the software and services unit, the CODM now views, manages and allocates resources across the business as a whole and no longer reviews the discrete financial information for semiconductor products and software and services separately. As a result of this change, the Company manages and operates as one reporting unit which is also the same as the reportable segment beginning in the first quarter of 2013.
	The following table is based on the geographic location of the original equipment manufacturers, the contract manufacturers or the distributors who purchased the Company’s products. For sales to the distributors, their geographic location may be different from the geographic locations of the ultimate end customers.
	Sales by geography for the periods indicated were as follows:
		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2013		2012		2013		2012
		(in thousands)
	United States	$	22,391	$	18,091	$	69,605	$	51,089
	China		20,574		16,757		54,243		48,346
	Korea		8,671		3,773		23,311		9,774
	Mexico		7,135		2,809		16,700		6,539
	Finland		6,051		631		12,117		662
	Taiwan		5,822		7,313		18,530		19,635
	Japan		2,154		3,741		6,900		8,724
	Malaysia		3,877		3,935		10,636		12,099
	Other countries		2,449		4,031		10,816		12,243
	Total	$	79,124	$	61,081	$	222,858	$	169,111
	The following table sets forth long lived assets, which consist primarily of property and equipment, net by geographic regions:
		As of		As of
		September 30, 2013		December 31, 2012
		(in thousands)
	United States	$	21,744	$	27,678
	All other countries		4,032		3,014
	Total	$	25,776	$	30,692

Commitments_and_Contingencies

Commitments and Contingencies	9 Months Ended
	Sep. 30, 2013
Commitments and Contingencies	'
	11. Commitments and Contingencies
	The Company is not currently a party to any legal proceedings and outcome of which, if determined adversely to the Company, would have a material adverse effect on the consolidated financial position, results of operations or cash flows of the Company.
	During the second quarter of 2013, a customer of MontaVista sent a claim letter to the Company requesting an amount they believe is due related to an automotive business services agreement between the customer and MontaVista. The Company has disputed this claim, but it engaged in discussions with the customer to resolve the matter. The Company recorded $1.3 million accrual to cover a potential contractual settlement payment to the customer within sales, general and administrative expenses in the second quarter of 2013. In October 2013, the Company and the customer entered into a settlement and general release claim agreement, and the Company paid the $1.3 million.
	The Company leases its facilities under non-cancelable operating leases, which contain renewal options and escalation clauses, and expire on various dates ending in November 2020. The Company also acquires certain assets under capital leases.
	The capital lease and technology license obligations include future cash payments payable primarily for license agreements with various outside vendors. For license agreements which qualify under capital lease and where installment payments extend beyond one year, the present value of the future installment payments are capitalized and included as part of intangible assets or property and equipment which is amortized over the estimated useful lives of the related licenses.
	Minimum commitments under non-cancelable operating and capital lease agreements, excluding the accrued restructuring liability (See Note 7 of the Condensed Consolidated Financial Statements) as of September 30, 2013 are as follows:
		Capital lease and		Operating leases		Total
		technology license
		obligations
		(in thousands)
	Remainder of 2013	$	5,436	$	1,034	$	6,470
	2014		11,817		4,683		16,500
	2015		9,258		4,117		13,375
	2016		5,150		4,227		9,377
	2017		—		4,247		4,247
	2018 thereafter		—		8,959		8,959
		$	31,661	$	27,267	$	58,928
	Less: Interest component (3.75% annual rate)		1,638
	Present value of minimum lease payment		30,023
	Current portion of the obligations	$	11,755
	Long-term portion of obligations	$	18,268
	Rent expense incurred under operating leases was $1.3 million and $1.4 million for the three months ended September 30, 2013 and 2012, respectively, and $3.7 million and $4.2 million for the nine months ended September 30, 2013 and 2012, respectively.
	In September 2013, the VIE entered into a purchase agreement with a third party vendor to purchase certain test equipment amounting to $6.1 million, payable in installments over two years. Furthermore, the Company entered into an agreement with the VIE and third party vendor, whereby the Company guaranteed the payment of the test equipment in the event the VIE defaults such payment obligation. The equipment is expected to be delivered in the fourth quarter of 2013. As such, the related asset and liability has not been reflected in the balance sheets as of September 30, 2013.
	In September 2013, the Company signed a purchase agreement of $5.5 million with a third party vendor to purchase any combination of core software licenses as specified in the agreement under a flexible spending program with a minimum annual spending of $2.75 million each for two years.
	In November 2013, the Company signed a new lease agreement (the “2345 Lease”) with a landlord to lease approximately 55,440 sq. ft. in the first 12 months and 110,881 sq. ft. thereafter in a building located adjacent to the Company’s principal office in San Jose, California. The lease term is 8.0 years commencing on the earlier of October 1, 2014 or the date the Company begins to conduct its business within any portion of the leased facility and ending on ninety six (96) months thereafter. The base monthly rate to lease the facility is $0.12 million for the first 12 months and $0.25 million for months thirteen through twenty-four and increase incrementally by approximately 3% annually through end of the lease term. Further, the Company entered into an amendment to the lease agreement related to the building in San Jose, California where the Company’s principal offices are located to extend the lease term for the period from March 1, 2019 to expiration date of the 2345 Lease.

Organization_and_Basis_of_Pres1

Organization and Basis of Presentation (Policies)	9 Months Ended
	Sep. 30, 2013
Organization	'
	Organization
	Cavium, Inc., (the “Company”), was incorporated in the state of California on November 21, 2000 and was reincorporated in the state of Delaware effective February 6, 2007. The Company designs, develops and markets semiconductor processors for intelligent and secure networks.
Basis of Presentation	'
	Basis of Presentation
	The condensed consolidated financial statements include the accounts of Cavium, Inc., its wholly owned subsidiaries, and a variable interest entity, or VIE, of which the Company is the primary beneficiary. Under the accounting principles generally accepted in the United States of America, or US GAAP, a VIE is required to be consolidated by its primary beneficiary. The primary beneficiary is the party that absorbs a majority of the VIE’s anticipated losses and/or a majority of the expected returns. See Note 5 of Notes to Condensed Consolidated Financial Statements for detailed discussions of the VIE. Intercompany transactions and balances have been eliminated in consolidation.
	The condensed consolidated financial statements have been prepared in accordance with US GAAP, and pursuant to the rules and regulations of the Securities and Exchange Commission, or SEC. Accordingly, they do not include all of the information and footnotes required by US GAAP for annual financial statements. For further information, these financial statements should be read in conjunction with the Company’s Annual Report on Form 10-K (File No. 001-33435) on file with the SEC for the year ended December 31, 2012.
	The condensed consolidated financial statements contain all normal recurring accruals and adjustments that, in the opinion of management, are necessary to state fairly the Company’s condensed consolidated financial position at September 30, 2013, and the condensed consolidated results of its operations for the three and nine months ended September 30, 2013 and 2012, and condensed consolidated statements of cash flows for the nine months ended September 30, 2013 and 2012. The results of operations for the three and nine months ended September 30, 2013 are not necessarily indicative of the results to be expected for the full year.
	The condensed consolidated balance sheet at December 31, 2012 has been derived from the audited consolidated financial statements at that date, but does not include all of the information and footnotes required by GAAP.
Significant Accounting Policies	'
	Significant Accounting Policies
	The Company’s significant accounting policies are disclosed in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012. There had been no material changes to these accounting policies.
Recent Accounting Pronouncements	'
	Recent Accounting Pronouncements
	In July 2013, the Financial Accounting Standards Board issued a new accounting guidance relating to the financial statement presentation of unrecognized tax benefits. The new update provides that a liability related to an unrecognized tax benefit would be presented as a reduction of a deferred tax asset for a net operating loss carryforward, a similar tax loss or a tax credit carryforward if such settlement is required or expected in the event the uncertain tax position is disallowed. The new guidance becomes effective for the Company on January 1, 2014 and it should be applied prospectively to unrecognized tax benefits that exist at the effective date with retrospective application permitted. The Company does not expect that this new guidance to have a significant impact on the Company’s consolidated financial position, results of operations and cash flows.

Net_Income_Loss_Per_Common_Sha1

Net Income (Loss) Per Common Share (Tables)	9 Months Ended
	Sep. 30, 2013
Basic and Diluted Net Loss Per Common Share	'
	The following table sets forth the computation of net income (loss) per share:
		Three Months Ended										Nine Months Ended
		September 30,										September 30,
		2013				2012				2013					2012
		(in thousands, except per share data)
	Net income (loss) attributable to the Company	$		4,336		$	(8,125	)		$			(3,152	)	$	(33,793	)
	Weighted average common shares outstanding—basic			51,772			50,060						51,425			49,684
	Dilutive effect of employee stock plans			1,720			—						—			—
	Weighted average common shares outstanding—diluted			53,492			50,060						51,425			49,684
	Net income (loss) per common share, basic	$		0.08		$	(0.16	)		$			(0.06	)	$	(0.68	)
	Net income (loss) per common share, diluted	$		0.08		$	(0.16	)		$			(0.06	)	$	(0.68	)
Summary of Outstanding Options and Restricted Stock Units Excluded from Computation of Diluted Net Loss Per Common Share	'
	The following outstanding options and restricted stock units were excluded from the computation of diluted net income (loss) per common share for the periods presented because including them would have had an anti-dilutive effect:
		Three Months Ended						Nine Months Ended
		September 30,						September 30,
		2013			2012			2013		2012
		(in thousands)
	Options to purchase common stock		727			4,346			3,637		4,346
	Restricted stock units		1			2,040			1,887		2,040

Balance_Sheet_Components_Table

Balance Sheet Components (Tables)	9 Months Ended
	Sep. 30, 2013
Inventories	'
	Inventories
		As of			As of
		September 30, 2013			December 31, 2012
		(in thousands)
	Work-in-process	$	34,791		$	33,418
	Finished goods		7,664			13,090
		$	42,455		$	46,508
Property and Equipment, Net	'
	Property and equipment, net
		As of			As of
		September 30, 2013			December 31, 2012
		(in thousands)
	Mask costs and test equipment	$	37,392		$	32,771
	Software, computer and other equipment		38,363			35,563
	Furniture, office equipment and leasehold improvements		1,181			1,089
			76,936			69,423
	Less: accumulated depreciation and amortization		(51,160	)		(38,731	)
		$	25,776		$	30,692
Other Accrued Expenses And Other Current Liabilities	'
	Other accrued expenses and other current liabilities
		As of			As of
		September 30, 2013			December 31, 2012
		(in thousands)
	Accrued compensation and related benefits	$	4,843		$	4,458
	Professional fees		1,593			1,067
	Contractual settlement payable		1,250			—
	Restructuring related payables		107			210
	Income tax payable		47			467
	Other		1,914			2,478
		$	9,754		$	8,680
Product Warranty Liability	'
	The following table presents a reconciliation of the warranty liability, which is included within other accrued expenses and other current liabilities above:
		Three Months Ended							Nine Months Ended
		September 30,							September 30,
		2013			2012			2013				2012
		(in thousands)
	Beginning balance	$	317		$	423		$		440		$	412
	Accruals and adjustments		25			113				257			391
	Settlements		(68	)		(109	)			(423	)		(376	)
	Ending balance	$	274		$	427		$		274		$	427
Deferred Revenue	'
	Deferred revenue
		As of			As of
		September 30, 2013			December 31, 2012
		(in thousands)
	Services / support and maintenance	$	6,534		$	8,017
	Software license / subscription		1,523			2,529
	Distributors		2,632			2,398
		$	10,689		$	12,944

Goodwill_and_Intangible_Assets1

Goodwill and Intangible Assets, Net (Tables)	9 Months Ended
	Sep. 30, 2013
Intangible Assets, Net	'
	Intangible assets, net
		As of September 30, 2013										Weighted average
												remaining amortization
		Gross			Accumulated				Net			period (years)
					Amortization
		(in thousands)
	Existing and core technology - product	$	46,533	$		(38,645	)	$		7,888	1.82
	Technology licenses		68,769			(27,331	)			41,438	7.14
	Customer contracts and relationships		8,991			(5,889	)			3,102	4.23
	Trade name		2,296			(1,721	)			575	1.35
	Order backlog		640			(640	)			—	—
	Total amortizable intangible assets	$	127,229	$		(74,226	)	$		53,003	6.50
		As of December 31, 2012										Weighted average
												remaining amortization
		Gross			Accumulated				Net			period (years)
					Amortization
		(in thousands)
	Existing and core technology - product	$	47,658	$		(35,326	)	$		12,332	2.39
	Technology licenses		66,034			(20,078	)			45,956	7.94
	Customer contracts and relationships		8,991			(5,291	)			3,700	4.93
	Trade name		2,296			(1,396	)			900	2.10
	Order backlog		640			(640	)			—	—
	Total amortizable intangible assets	$	125,619	$		(62,731	)	$		62,888	6.57
Estimated Future Amortization Expense From Amortizable Intangible Assets	'
	The estimated future amortization expense from amortizable intangible assets is as follows (in thousands):
	Remainder of 2013	$	4,240
	2014		14,471
	2015		7,854
	2016		5,704
	2017		4,505
	2018 and thereafter		16,229
		$	53,003

Restructuring_Accrual_Tables

Restructuring Accrual (Tables)	9 Months Ended
	Sep. 30, 2013
Accrued Restructuring Liabilities Including Related Activities	'
	A summary of the accrued restructuring liabilities including related activities during the nine months ended September 30, 2013, is as follows:
		Severance			Excess			Total
		and other			Facility
		benefits			Related Cost
		(in thousands)
	Balance at December 31, 2012	$	—		$	262		$	262
	Additions		1,371			—			1,371
	Cash payments and other non-cash adjustments		(1,371	)		(155	)		(1,526	)
	Balance at September 30, 2013 (current)	$	—		$	107		$	107

Equity_Tables

Equity (Tables)	9 Months Ended
	Sep. 30, 2013
Summary of Stock Options Granted and Outstanding	'
	The following table summarizes the details related to stock options granted and outstanding under the 2007 Equity Incentive Plan and 2001 Stock Incentive Plan for the nine months ended September 30, 2013:
		Number of Shares				Weighted Average
		Outstanding				Exercise Price
	Balance as of December 31, 2012		4,197,704			$		16.83
	Options granted		242,375					37.15
	Options exercised		(658,374	)				14.45
	Options cancelled and forfeited		(144,982	)				33.86
	Balance as of September 30, 2013		3,636,723			$		17.94
Assumptions of Fair Value of Employee Option Grant Using Black-Scholes Option Pricing Model	'
	No stock options were granted during the three months ended September 30, 2013. The fair value of each employee option grant for the three months ended September 30, 2012 and nine months ended September 30, 2013 and 2012 was estimated on the date of grant using the Black-Scholes option pricing model with the following assumptions:
		Three Months Ended								Nine Months Ended
		September 30,								September 30,
		2013		2012				2013				2012
	Risk-free interest rate	—		1.55	%			0.32% to 1.04%				0.57% to 1.55%
	Expected life	—		4.53 years				3.77 to 4.53 years				4.08 to 4.53 years
	Dividend yield	—		0	%			0	%			0	%
	Volatility	—		57.3	%			45.82 to 49.6%				51.3% to 57.3%
Summary of Activity of Restricted Stock	'
	The following table summarizes the details related to restricted stock units, or RSUs, granted and outstanding under the 2007 Equity Incentive Plan for the nine months ended September 30, 2013:
		Number of Shares				Weighted-Average
						Grant Date Fair
						Value Per Share
	Balance as of December 31, 2012		1,823,563			$		33.17
	Granted		1,019,420					36.17
	Issued and released		(673,424	)				32.24
	Cancelled and forfeited		(282,993	)				32.18
	Balance as of September 30, 2013		1,886,556			$		35.27
Detail of Stock-Based Compensation Expense	'
	The following table presents the detail of stock-based compensation expense amounts included in the condensed consolidated statement of operations for each of the periods presented:
		Three Months Ended													Nine Months Ended
		September 30,													September 30,
		2013					2012							2013				2012
		(in thousands)
	Cost of revenue	$		216			$		471					$		655		$		1,539
	Research and development			4,899					4,259							13,682				12,761
	Sales, general and administrative			3,686					4,243							11,431				14,473
		$		8,801			$		8,973					$		25,768		$		28,773
Reconciliation of Changes in Equity	'
	A reconciliation of the changes in equity for the nine months ended September 30, 2013 is presented below:
		Attributable to									Attributable to						Total
		the Company									non-controlling						equity
											interest
		(in thousands)
	Balance at December 31, 2012	$		244,092					$				(1,030	)		$			243,062
	Common stock issued in connection with exercises of stock options			9,528									—						9,528
	Stock-based compensation			25,847									—						25,847
	Net loss			(3,152	)								(8,025	)					(11,177		)
	Balance at September 30, 2013	$		276,315					$				(9,055	)		$			267,260

Income_Taxes_Tables

Income Taxes (Tables)	9 Months Ended
	Sep. 30, 2013
Provisions for (Benefit from) Income Taxes and Effective Tax Rates	'
	The following table presents the provision for (benefit from) income taxes and the effective tax rates for the three and nine months ended September 30, 2013 and 2012:
		Three Months Ended							Nine Months Ended
		September 30,							September 30,
		2013			2012				2013				2012
		(in thousands)
	Income (loss) before income taxes	$	1,629		$	(9,844	)		$	(9,360	)		$	(38,887	)
	Provision for (benefit from) income taxes		714			(1,719	)			1,817				(5,094	)
	Effective tax rate		43.8	%		17.5		%		-  19.4		%		13.1		%

Segment_And_Geographic_Informa1

Segment And Geographic Information (Tables)	9 Months Ended
	Sep. 30, 2013
Sales by Geography	'
	Sales by geography for the periods indicated were as follows:
		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2013		2012		2013		2012
		(in thousands)
	United States	$	22,391	$	18,091	$	69,605	$	51,089
	China		20,574		16,757		54,243		48,346
	Korea		8,671		3,773		23,311		9,774
	Mexico		7,135		2,809		16,700		6,539
	Finland		6,051		631		12,117		662
	Taiwan		5,822		7,313		18,530		19,635
	Japan		2,154		3,741		6,900		8,724
	Malaysia		3,877		3,935		10,636		12,099
	Other countries		2,449		4,031		10,816		12,243
	Total	$	79,124	$	61,081	$	222,858	$	169,111
Long Lived Assets	'
	The following table sets forth long lived assets, which consist primarily of property and equipment, net by geographic regions:
		As of		As of
		September 30, 2013		December 31, 2012
		(in thousands)
	United States	$	21,744	$	27,678
	All other countries		4,032		3,014
	Total	$	25,776	$	30,692

Commitments_And_Contingencies_

Commitments And Contingencies (Tables)	9 Months Ended
	Sep. 30, 2013
Minimum Commitments Under Non-Cancelable Capital and Operating Lease Agreements	'
	Minimum commitments under non-cancelable operating and capital lease agreements, excluding the accrued restructuring liability (See Note 7 of the Condensed Consolidated Financial Statements) as of September 30, 2013 are as follows:
		Capital lease and		Operating leases		Total
		technology license
		obligations
		(in thousands)
	Remainder of 2013	$	5,436	$	1,034	$	6,470
	2014		11,817		4,683		16,500
	2015		9,258		4,117		13,375
	2016		5,150		4,227		9,377
	2017		—		4,247		4,247
	2018 thereafter		—		8,959		8,959
		$	31,661	$	27,267	$	58,928
	Less: Interest component (3.75% annual rate)		1,638
	Present value of minimum lease payment		30,023
	Current portion of the obligations	$	11,755
	Long-term portion of obligations	$	18,268

Net_Income_Loss_Per_Common_Sha2

Net Income (Loss) Per Common Share (Basic and Diluted Net Income (Loss) Per Common Share) (Detail) (USD $)	3 Months Ended		9 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Disclosure Net Loss Per Common Share Basic And Diluted Net Loss Per Common Share Detail [Line Items]	'	'	'	'
Net income (loss) attributable to the Company	$4,336	($8,125)	($3,152)	($33,793)
Weighted average common shares outstanding—basic	51,772	50,060	51,425	49,684
Dilutive effect of employee stock plans	1,720	'	'	'
Weighted average common shares outstanding—diluted	53,492	50,060	51,425	49,684
Net income (loss) per common share, basic	$0.08	($0.16)	($0.06)	($0.68)
Net income (loss) per common share, diluted	$0.08	($0.16)	($0.06)	($0.68)

Net_Income_Loss_Per_Common_Sha3

Net Income (Loss) Per Common Share (Summary of Outstanding Options and Restricted Stock Units Excluded from Computation of Diluted Net Income (Loss) Per Common Share) (Detail)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Options to purchase common stock	'	'	'	'
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]	'	'	'	'
Anti-dilutive securities excluded from the computation of diluted net income (loss) per common share	727	4,346	3,637	4,346
Restricted stock units	'	'	'	'
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]	'	'	'	'
Anti-dilutive securities excluded from the computation of diluted net income (loss) per common share	1	2,040	1,887	2,040

Fair_Value_Measurements_Narrat

Fair Value Measurements (Narrative) (Detail) (Fair Value, Inputs, Level 1, USD $)	Sep. 30, 2013	Dec. 31, 2012
In Millions, unless otherwise specified
Fair Value, Inputs, Level 1	'	'
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]	'	'
Cash equivalents	$72.20	$50.20

Balance_Sheet_Components_Inven

Balance Sheet Components (Inventories) (Detail) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Inventory Disclosure [Abstract]	'	'
Work-in-process	$34,791	$33,418
Finished goods	7,664	13,090
Inventories	$42,455	$46,508

Balance_Sheet_Components_Prope

Balance Sheet Components (Property and Equipment, Net) (Detail) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Property Plant And Equipment [Line Items]	'	'
Property and equipment, gross	$76,936	$69,423
Less: accumulated depreciation and amortization	-51,160	-38,731
Property and equipment, net	25,776	30,692
Mask costs and test equipment	'	'
Property Plant And Equipment [Line Items]	'	'
Property and equipment, gross	37,392	32,771
Software, computer and other equipment	'	'
Property Plant And Equipment [Line Items]	'	'
Property and equipment, gross	38,363	35,563
Furniture, office equipment and leasehold improvements	'	'
Property Plant And Equipment [Line Items]	'	'
Property and equipment, gross	$1,181	$1,089

Balance_Sheet_Components_Other

Balance Sheet Components (Other Accrued Expenses and Other Current Liabilities) (Detail) (USD $)	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Payables and Accruals [Abstract]	'	'	'
Accrued compensation and related benefits	$4,843	'	$4,458
Professional fees	1,593	'	1,067
Contractual settlement payable	1,250	1,250	'
Restructuring related payables	107	'	210
Income tax payable	47	'	467
Other	1,914	'	2,478
Accrued expenses and other current liabilities	$9,754	'	$8,680

Balance_Sheet_Components_Produ

Balance Sheet Components (Product Warranty Liability) (Detail) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Commitments and Contingencies Disclosure [Abstract]	'	'	'	'
Beginning balance	$317	$423	$440	$412
Accruals and adjustments	25	113	257	391
Settlements	-68	-109	-423	-376
Ending balance	$274	$427	$274	$427

Balance_Sheet_Components_Defer

Balance Sheet Components (Deferred Revenue) (Detail) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Deferred Revenue Arrangement [Line Items]	'	'
Deferred revenue	$10,689	$12,944
Service / Support and Maintenance	'	'
Deferred Revenue Arrangement [Line Items]	'	'
Deferred revenue	6,534	8,017
Software License / Subscription	'	'
Deferred Revenue Arrangement [Line Items]	'	'
Deferred revenue	1,523	2,529
Distributors	'	'
Deferred Revenue Arrangement [Line Items]	'	'
Deferred revenue	$2,632	$2,398

Balance_Sheet_Components_Narra

Balance Sheet Components (Narrative) (Detail) (USD $)	3 Months Ended			9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Disclosure Balance Sheet Components Narrative Detail [Line Items]	'	'	'	'	'	'
Depreciation and amortization expense	$4.40	'	$3.80	$13.20	$10.30	'
Capital lease and certain financing arrangements	12.1	'	'	12.1	'	16.8
Amortization expense related to assets under capital lease and certain financing arrangements	1.6	'	1.2	4.8	3.3	'
Inventory write-down	'	$3.90	'	'	'	'

Business_Combinations_and_Dive1

Business Combinations and Divestitures (Detail) (USD $)

1 Months Ended

3 Months Ended

9 Months Ended

9 Months Ended

3 Months Ended

9 Months Ended

Jan. 31, 2013

Sep. 30, 2013

Mar. 31, 2013

Sep. 30, 2013

Sep. 30, 2012

Dec. 31, 2012

Sep. 30, 2013

Sep. 30, 2013

Sep. 30, 2013

Sep. 30, 2012

Sep. 30, 2013

Sep. 30, 2012

Attributable to non-controlling interest

Third party investor

Variable interest entity

Variable interest entity

Variable interest entity

Variable interest entity

Business Acquisition [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

Convertible notes receivable

'

'

'

$4,000,000

'

'

$5,000,000

$6,000,000

'

'

'

'

Variable Interest Entity, cash

'

'

'

'

'

'

'

'

1,800,000

'

1,800,000

'

Variable Interest Entity, property and equipment and intangible assets

'

'

'

'

'

'

'

'

1,000,000

'

1,000,000

'

Variable Interest Entity, accounts payable

'

'

'

'

'

'

'

'

2,900,000

'

2,900,000

'

Variable Interest Entity, notes payable

'

'

'

'

'

'

'

'

11,000,000

'

11,000,000

'

Variable Interest Entity, portion of net loss

'

'

'

'

'

'

'

'

1,300,000

800,000

4,100,000

800,000

Variable Interest Entity, non-controlling interest

'

9,055,000

'

9,055,000

'

1,030,000

'

'

'

'

'

'

Aggregate cash consideration on disposition of certain consumer product assets

'

'

'

'

2,400,000

'

'

'

'

'

'

'

Total installment cash consideration on disposition of certain consumer product assets

'

300,000

'

800,000

'

'

'

'

'

'

'

'

(Gain) loss on disposition of certain consumer product assets

'

'

'

-750,000

2,728,000

'

'

'

'

'

'

'

Cash consideration

3,300,000

'

'

'

'

'

'

'

'

'

'

'

Net book value of assets held for sale

2,600,000

'

'

'

'

'

'

'

'

'

'

'

Portion of goodwill in carrying value of assets held for sale

2,200,000

'

'

'

'

'

'

'

'

'

'

'

Gain on sale of held for sale assets

'

'

$700,000

$747,000

'

'

'

'

'

'

'

'

Goodwill_and_Intangible_Assets2

Goodwill and Intangible Assets, Net (Intangible Assets, Net) (Detail) (USD $)	9 Months Ended	12 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Finite Lived Intangible Assets [Line Items]	'	'
Finite-lived intangible assets, Gross	$127,229	$125,619
Finite-lived intangible assets, Accumulated Amortization	-74,226	-62,731
Finite-lived intangible assets, Net	53,003	62,888
Weighted average remaining amortization period (years)	'6 years 6 months	'6 years 6 months 26 days
Existing and core technology - product	'	'
Finite Lived Intangible Assets [Line Items]	'	'
Finite-lived intangible assets, Gross	46,533	47,658
Finite-lived intangible assets, Accumulated Amortization	-38,645	-35,326
Finite-lived intangible assets, Net	7,888	12,332
Weighted average remaining amortization period (years)	'1 year 9 months 26 days	'2 years 4 months 21 days
Technology licenses	'	'
Finite Lived Intangible Assets [Line Items]	'	'
Finite-lived intangible assets, Gross	68,769	66,034
Finite-lived intangible assets, Accumulated Amortization	-27,331	-20,078
Finite-lived intangible assets, Net	41,438	45,956
Weighted average remaining amortization period (years)	'7 years 1 month 21 days	'7 years 11 months 9 days
Customer contracts and relationships	'	'
Finite Lived Intangible Assets [Line Items]	'	'
Finite-lived intangible assets, Gross	8,991	8,991
Finite-lived intangible assets, Accumulated Amortization	-5,889	-5,291
Finite-lived intangible assets, Net	3,102	3,700
Weighted average remaining amortization period (years)	'4 years 2 months 23 days	'4 years 11 months 5 days
Trade name	'	'
Finite Lived Intangible Assets [Line Items]	'	'
Finite-lived intangible assets, Gross	2,296	2,296
Finite-lived intangible assets, Accumulated Amortization	-1,721	-1,396
Finite-lived intangible assets, Net	575	900
Weighted average remaining amortization period (years)	'1 year 4 months 6 days	'2 years 1 month 6 days
Order backlog	'	'
Finite Lived Intangible Assets [Line Items]	'	'
Finite-lived intangible assets, Gross	640	640
Finite-lived intangible assets, Accumulated Amortization	-640	-640
Finite-lived intangible assets, Net	'	'
Weighted average remaining amortization period (years)	'	'

Goodwill_and_Intangible_Assets3

Goodwill and Intangible Assets, Net (Estimated Future Amortization Expense from Amortizable Intangible Assets) (Detail) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Disclosure Goodwill And Intangible Assets Net Estimated Future Amortization Expense From Amortizable Intangible Assets Detail [Line Items]	'	'
Remainder of 2013	$4,240	'
2014	14,471	'
2015	7,854	'
2016	5,704	'
2017	4,505	'
2018 and thereafter	16,229	'
Finite-lived intangible assets, Net	$53,003	$62,888

Goodwill_and_Intangible_Assets4

Goodwill and Intangible Assets, Net (Narrative) (Detail) (USD $)	3 Months Ended			9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Goodwill And Intangible Assets [Line Items]	'	'	'	'	'
Goodwill	$71,478,000	$71,478,000	'	$71,478,000	'
Goodwill impairment charge	'	27,700,000	'	'	'
Amortization expense	4,300,000	'	4,800,000	13,400,000	13,000,000
Software and Services	'	'	'	'	'
Goodwill And Intangible Assets [Line Items]	'	'	'	'	'
Goodwill	'	15,200,000	'	'	'
Semiconductor products	'	'	'	'	'
Goodwill And Intangible Assets [Line Items]	'	'	'	'	'
Goodwill	'	$56,300,000	'	'	'

Restructuring_Accrual_Accrued_

Restructuring Accrual (Accrued Restructuring Liabilities Including Related Activities) (Detail) (USD $)	9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013
Restructuring Cost And Reserve [Line Items]	'
Accrued restructuring at beginning of the year	$262
Additions	1,371
Cash payments and other non-cash adjustments	-1,526
Accrued restructuring at end of the year	107
Severance and other benefits	'
Restructuring Cost And Reserve [Line Items]	'
Accrued restructuring at beginning of the year	'
Additions	1,371
Cash payments and other non-cash adjustments	-1,371
Accrued restructuring at end of the year	'
Excess Facility Related Costs	'
Restructuring Cost And Reserve [Line Items]	'
Accrued restructuring at beginning of the year	262
Additions	'
Cash payments and other non-cash adjustments	-155
Accrued restructuring at end of the year	$107

Restructuring_Accrual_Narrativ

Restructuring Accrual (Narrative) (Detail) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2012
Restructuring Cost And Reserve [Line Items]	'	'
Additional restructuring accrual	$1.40	$0.40
Lease expiration period	'	31-Mar-14

Equity_Summary_of_Stock_Option

Equity (Summary of Stock Options Granted and Outstanding) (Detail) (2007 Equity Incentive Plan and 2001 Stock Incentive Plan, USD $)	9 Months Ended
	Sep. 30, 2013
2007 Equity Incentive Plan and 2001 Stock Incentive Plan	'
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]	'
Number of Shares Outstanding, Beginning balance	4,197,704
Number of Shares Outstanding, Options granted	242,375
Number of Shares Outstanding, Options exercised	-658,374
Number of Shares Outstanding, Options cancelled and forfeited	-144,982
Number of Shares Outstanding, Ending balance	3,636,723
Weighted Average Exercise Price, Beginning balance	$16.83
Weighted Average Exercise Price, Options granted	$37.15
Weighted Average Exercise Price, Options exercised	$14.45
Weighted Average Exercise Price, Options cancelled and forfeited	$33.86
Weighted Average Exercise Price, Ending balance	$17.94

Equity_Assumptions_of_Fair_Val

Equity (Assumptions of Fair Value of Employee Option Grant Using Black-Scholes Option Pricing Model) (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]	'	'	'	'
Risk-free interest rate	'	1.55%	'	'
Risk-free interest rate, minimum	'	'	0.32%	0.57%
Risk-free interest rate, maximum	'	'	1.04%	1.55%
Expected life, years	'	'4 years 6 months 11 days	'	'
Dividend yield	'	0.00%	0.00%	0.00%
Volatility	'	57.30%	'	'
Volatility, minimum	'	'	45.82%	51.30%
Volatility, maximum	'	'	49.60%	57.30%
Minimum	'	'	'	'
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]	'	'	'	'
Expected life, years	'	'	'3 years 9 months 7 days	'4 years 29 days
Maximum	'	'	'	'
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]	'	'	'	'
Expected life, years	'	'	'4 years 6 months 11 days	'4 years 6 months 11 days

Equity_Summary_of_Activity_of_

Equity (Summary of Activity of Restricted Stock) (Detail) (Two Thousand And Seven Equity Incentive Plan, USD $)	9 Months Ended
	Sep. 30, 2013
Two Thousand And Seven Equity Incentive Plan	'
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]	'
Number of Shares, Beginning balance	1,823,563
Number of Shares, Granted	1,019,420
Number of Shares, Issued and released	-673,424
Number of Shares, Cancelled and forfeited	-282,993
Number of Shares, Ending balance	1,886,556
Weighted-Average Grant Date Fair Value Per Share, Beginning balance	$33.17
Weighted-Average Grant Date Fair Value Per Share, Granted	$36.17
Weighted-Average Grant Date Fair Value Per Share, Issued and released	$32.24
Weighted-Average Grant Date Fair Value Per Share, Cancelled and forfeited	$32.18
Weighted-Average Grant Date Fair Value Per Share, Ending balance	$35.27

Equity_Detail_of_StockBased_Co

Equity (Detail of Stock-Based Compensation Expense) (Detail) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]	'	'	'	'
Stock-based compensation expense	$8,801	$8,973	$25,768	$28,773
Cost of revenue	'	'	'	'
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]	'	'	'	'
Stock-based compensation expense	216	471	655	1,539
Research and development	'	'	'	'
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]	'	'	'	'
Stock-based compensation expense	4,899	4,259	13,682	12,761
Sales, general and administrative	'	'	'	'
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]	'	'	'	'
Stock-based compensation expense	$3,686	$4,243	$11,431	$14,473

Equity_Reconciliation_of_Chang

Equity (Reconciliation of Changes in Equity) (Detail) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Changes In Stockholders Equity [Line Items]	'	'	'	'
Equity Attributable to the Company, Balance beginning	'	'	$244,092	'
Attributable to non-controlling interest, Balance beginning	'	'	-1,030	'
Total Equity, Balance beginning	'	'	243,062	'
Common stock issued in connection with exercises of stock options	'	'	9,528	6,647
Stock-based compensation	'	'	25,847	'
Net income (loss) attributable to the Company	4,336	-8,125	-3,152	-33,793
Net loss Attributable to non-controlling interest	-3,421	'	-8,025	'
Net loss	915	-8,125	-11,177	-33,793
Equity Attributable to the Company, Balance Ending	276,315	'	276,315	'
Attributable to non-controlling interest, Balance Ending	-9,055	'	-9,055	'
Total Equity Balance, Ending	267,260	'	267,260	'
Equity Attributable To Parent	'	'	'	'
Changes In Stockholders Equity [Line Items]	'	'	'	'
Common stock issued in connection with exercises of stock options	'	'	9,528	'
Stock-based compensation	'	'	$25,847	'

Equity_Narrative_Detail

Equity (Narrative) (Detail) (USD $)	3 Months Ended	9 Months Ended
In Millions, except Per Share data, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]	'	'	'
Estimated weighted-average grant date fair value of options granted	$13.03	$14.91	$14.79
2007 Equity Incentive Plan and 2001 Stock Incentive Plan	'	'	'
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]	'	'	'
Unrecognized compensation cost, net of estimated forfeitures	'	$6.80	'
Unrecognized compensation cost expected to be recognized over weighted average period (in years)	'	'2 years 3 months 11 days	'
Two Thousand And Seven Equity And Two Thousand And One Stock Incentive Plan	'	'	'
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]	'	'	'
Unrecognized compensation cost, net of estimated forfeitures	'	$53.60	'
Unrecognized compensation cost expected to be recognized over weighted average period (in years)	'	'2 years 6 months 18 days	'

Income_Taxes_Provision_for_Ben

Income Taxes (Provision for (Benefit from) Income Taxes and Effective Tax Rates) (Detail) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Disclosure Income Taxes Provision For Benefit From Income Taxes And Effective Tax Rates Detail [Line Items]	'	'	'	'
Income (loss) before income taxes	$1,629	($9,844)	($9,360)	($38,887)
Provision for (benefit from) income taxes	$714	($1,719)	$1,817	($5,094)
Effective tax rate	43.80%	17.50%	-19.40%	13.10%

Income_Taxes_Narrative_Detail

Income Taxes (Narrative) (Detail) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Millions, unless otherwise specified
Disclosure Income Taxes Narrative Detail [Line Items]	'	'
Unrecognized tax benefits for income taxes	$14.80	$12.70
Unrecognized tax benefit that would impact effective tax rate	$1.30	'

Recovered_Sheet1

Segment and Geographic Information (Sales by Geography) (Detail) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Segment Reporting Information [Line Items]	'	'	'	'
Total Sales	$79,124	$61,081	$222,858	$169,111
United States	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Total Sales	22,391	18,091	69,605	51,089
China	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Total Sales	20,574	16,757	54,243	48,346
Korea	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Total Sales	8,671	3,773	23,311	9,774
Mexico	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Total Sales	7,135	2,809	16,700	6,539
Finland	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Total Sales	6,051	631	12,117	662
Taiwan	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Total Sales	5,822	7,313	18,530	19,635
Japan	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Total Sales	2,154	3,741	6,900	8,724
Malaysia	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Total Sales	3,877	3,935	10,636	12,099
Other Countries	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Total Sales	$2,449	$4,031	$10,816	$12,243

Recovered_Sheet2

Segment and Geographic Information (Long Lived Assets) (Detail) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Segment Reporting Information [Line Items]	'	'
Property and equipment, net	$25,776	$30,692
United States	'	'
Segment Reporting Information [Line Items]	'	'
Property and equipment, net	21,744	27,678
All Other Countries	'	'
Segment Reporting Information [Line Items]	'	'
Property and equipment, net	$4,032	$3,014

Recovered_Sheet3

Commitments and Contingencies (Minimum Commitments Under Non-Cancelable Capital and Operating Lease Agreements) (Detail) (USD $)	Sep. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Capital Leased Assets [Line Items]	'	'
Remainder of 2013	$6,470	'
2014	16,500	'
2015	13,375	'
2016	9,377	'
2017	4,247	'
2018 thereafter	8,959	'
Total	58,928	'
Current portion of the obligations	11,755	16,500
Long-term portion of obligations	18,268	24,832
Interest component	3.75%	'
Capital Lease And Technology License Obligations	'	'
Capital Leased Assets [Line Items]	'	'
Remainder of 2013	5,436	'
2014	11,817	'
2015	9,258	'
2016	5,150	'
Total	31,661	'
Less: Interest component (3.75% annual rate)	1,638	'
Present value of minimum lease payment	30,023	'
Operating Leases	'	'
Capital Leased Assets [Line Items]	'	'
Remainder of 2013	1,034	'
2014	4,683	'
2015	4,117	'
2016	4,227	'
2017	4,247	'
2018 thereafter	8,959	'
Total	$27,267	'

Commitments_and_Contingencies_1

Commitments and Contingencies (Narrative) (Detail) (USD $)

3 Months Ended

9 Months Ended

9 Months Ended

1 Months Ended

Sep. 30, 2013

Sep. 30, 2012

Mar. 31, 2012

Sep. 30, 2013

Sep. 30, 2012

Jun. 30, 2013

Sep. 30, 2013

Oct. 31, 2013

Nov. 30, 2013

Nov. 30, 2013

Nov. 30, 2013

Nov. 30, 2013

Nov. 30, 2013

Variable Interest Entity, Primary Beneficiary

Subsequent Event

Subsequent Event

Subsequent Event

Subsequent Event

Subsequent Event

Subsequent Event

2345 Lease

San Jose California

First Twelve Months

Thereafter

Thirteen through twenty four months

2345 Lease

2345 Lease

2345 Lease

sqft

sqft

Disclosure Commitments And Contingencies Narrative Detail [Line Items]

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Potential contractual settlement

$1,250,000

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$1,250,000

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$1,250,000

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Payment for settlement payment

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1,250,000

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Operating leases, rent expense

1,300,000

1,400,000

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3,700,000

4,200,000

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Long-term Purchase Commitment, Amount

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5,500,000

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6,100,000

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Settlement Agreement Payment Frequency Installment Period

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'2 years

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Long-term purchase commitment minimum annual spending amount

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2,750,000

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Long-term purchase commitment, year of maturity

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'P2Y

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Area of leased property

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55,440

110,881

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Lease term

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'8 years

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Lease start date

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1-Oct-14

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Lease expiration period

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'96 months

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Lease expiration period

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31-Mar-14

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1-Mar-19

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Lease agreement monthly payment

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$120,000

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$250,000

Annual increase in lease rate

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3.00%

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'