Income Taxes (Tables)

12 Months Ended

Jan. 02, 2016

Income Taxes

Components of the provision for income taxes

        Significant components of the provision for income taxes are as follows (in thousands):

	Year Ended
	January 2, 2016			January 3, 2015		December 28, 2013
Current:
Domestic	$	951		$	7,083	$	4,796
International		3,015			882		4,093
Total Current		3,966			7,965		8,889
Deferred:
Domestic		(5,825	)		2,352		5,591
International		2,536			702		(2,272	)
Total Deferred		(3,289	)		3,054		3,319
	$	677		$	11,019	$	12,208

Summary of effective income tax rate reconciliation

	Year Ended
	January 2, 2016			January 3, 2015			December 28, 2013
Federal statutory rate		35.0	%		35.0	%		35.0	%
Foreign tax rate benefit		(30.7	)		(3.5	)		(8.2	)
Research and development tax credits		(5.6	)		(8.6	)		(12.8	)
Release of prior year unrecognized tax benefits		(1.9	)		(2.6	)		—
Excess officer compensation		3.2			2.3			1.9
Change in cost-sharing treatment of stock-based compensation		(7.1	)		—			—
Change in prior period valuation allowance		8.8			(1.4	)		3.1
Other		0.5			1.3			0.7
		2.2	%		22.5	%		19.7	%

Schedule of components of income before income taxes

        Income before income taxes included the following components (in thousands):

	Year Ended
	January 2, 2016		January 3, 2015		December 28, 2013
Domestic	$	2,249	$	38,174	$	41,849
Foreign		28,014		10,866		20,178
	$	30,263	$	49,040	$	62,027

Significant components of the Company's deferred taxes

        Significant components of the Company's deferred taxes as of January 2, 2016 and January 3, 2015 are as follows (in thousands):

	January 2, 2016			January 3, 2015
Deferred tax assets:
Net operating loss carryforwards	$	25,869		$	31,518
Research and development tax credit carryforwards		13,335			9,740
Stock-based compensation		8,757			6,353
Capitalized research and development		8,741			7,371
Deferred income on shipments to distributors		7,413			8,117
Expected future cost-sharing adjustment		25,896			—
Accrued liabilities and other		8,619			6,481
		98,630			69,580
Less: Valuation allowance		(10,264	)		(3,455	)
		88,366			66,125
Deferred tax liabilities:
Acquired intangible assets		33,020			33,630
Depreciation and amortization		2,349			3,388
Unremitted foreign earnings for expected future cost-sharing adjustment		27,495			—
Prepaid expenses and other		1,991			1,517
		64,855			38,535
Net deferred tax assets	$	23,511		$	27,590

Schedule of changes in the unrecognized tax benefits

        The following table reflects changes in the unrecognized tax benefits (in thousands):

	Year Ended
	January 2, 2016			January 3, 2015			December 28, 2013
Beginning balance	$	3,929		$	4,998		$	4,364
Additions based on tax positions related to current year		432			465			316
Additions based on tax positions related to prior years		—			58			318
Reductions for tax positions related to prior years		(751	)		(1,592	)		—
Ending balance	$	3,610		$	3,929		$	4,998