Income Taxes (Tables)

12 Months Ended

Dec. 29, 2017

Income Tax Disclosure [Abstract]

U.S. and Foreign Components of Income before Income Taxes

U.S. and foreign components of income before income taxes were (in thousands):

	Year Ended
	December 29,		December 30,			December 25,
	2017		2016			2015
U.S. operations	$	8,869	$	(17,459	)	$	(10,910	)
Foreign operations		78,073		36,406			14,517
Total pretax income	$	86,942	$	18,947		$	3,607

Provision for Income Taxes

The provision for income taxes consisted of the following (in thousands):

	Year Ended
	December 29,				December 30,			December 25,
	2017				2016			2015
Current:
Federal	$		3,662		$	—		$		(52	)
State		240				110			158
Foreign			11,719				5,321			3,777
Total current			15,621				5,431			3,883
Deferred:
Federal			(5,556	)			1,706			12,043
State			176				202			714
Foreign			1,616				1,557			(2,301	)
Total deferred			(3,764	)			3,465			10,456
Total provision	$		11,857		$		8,896	$		14,339

Components of Net Deferred Tax Assets and Deferred Tax Liabilities

Significant components of net deferred tax assets and deferred tax liabilities for federal and state income taxes were as follows (in thousands):

	Year Ended
	December 29,				December 30,
	2017				2016
Net non-current deferred tax asset:
Inventory valuation and basis difference	$		2,703		$	3,359
State taxes			50			49
Stock compensation			1,398			1,788
Other accrued expenses			1,148			1,748
Depreciation			302			1,347
Intangibles			3,387			5,105
Net operating losses			3,055			9,588
Research & other credits		—				980
			12,043			23,964
Valuation allowance			(8,064	)		(23,844	)
Net non-current deferred tax asset			3,979			120
Total deferred tax asset			3,979			120
Current deferred tax liability:
Undistributed earnings			(2,516	)		(1,126	)
Non-current deferred tax liability:
Goodwill			(6,493	)		(7,556	)
Net deferred tax asset (liability)	$		(5,030	)	$	(8,562	)

Effective Tax Rate Differs from U.S. Federal Statutory Tax Rate

The effective tax rate differs from the U.S. federal statutory tax rate as follows:

	Year Ended
	December 29,				December 30,				December 25,
	2017				2016				2015
Federal income tax provision at statutory rate		35.0		%		34.0		%		34.0		%
State income taxes, net of federal benefit		0.3		%		(0.6	)	%		(3.1	)	%
Effect of foreign operations		(18.7	)	%		(15.3	)	%		(102.5	)	%
Change in valuation allowance		(19.8	)	%		30.8		%		445.8		%
China withholding taxes	—			%	—			%		10.3		%
Acquisition related costs	—			%		1.0		%		8.3		%
Tax law changes		15.8		%	—			%	—			%
Other		1.0		%		(3.0	)	%		4.7		%
Effective Tax Rate		13.6		%		46.9		%		397.5		%

Activity Related to Company's Unrecognized Tax Benefits

The following table summarizes the activity related to the Company’s unrecognized tax benefits (in thousands):

Balance as of December 25, 2015	$	337
Decreases related to prior year tax positions		(28	)
Increases related to current year tax positions		13
Expiration of the statute of limitations for the    assessment of taxes		(24	)
Balance as of December 30, 2016		298
Increases related to current year tax positions		17
Expiration of the statute of limitations for the    assessment of taxes		(13	)
Balance as of December 29, 2017	$	302