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Income Taxes - Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Income Tax Disclosure [Abstract]
Provision for Income Taxes at Statutory Rate	$ 23,531	$ 15,474	$ 14,474
Increases (Decreases) Resulting From:
Foreign tax rate differential	2,819	1,891	2,584
Nondeductible expenses	1,673	2,117	2,407
Excess tax benefit related to stock-based compensation	(1,525)	(661)	(3,305)
State income taxes, net of federal income tax	863	807	(355)
U.S. tax cost of foreign earnings	481	599	146
Reversal of tax benefit reserves, net	(444)	(730)	(286)
Research and development tax credits	(454)	(465)	(381)
Change in valuation allowance	(31)	(469)	81
Other	258	(615)	993
Total income tax provision	$ 27,171	$ 17,948	$ 16,358

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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