Income Taxes - Income Before Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 01, 2022	Jan. 01, 2022	Dec. 26, 2020	Dec. 31, 2019
Income Tax Expense Benefit Continuing Operations Income Tax Reconciliation [Abstract]
Federal income tax provision (benefit) at statutory rate		$ 32,693	$ 5,642	$ (125)
State taxes, net of federal effect		1,066	126	113
Foreign taxes, net of federal effect		(3,817)	596	(1,277)
Foreign Derived Intangible Income ("FDII") Deduction		(11,061)	(4,262)	(2,278)
Global Intangible Low-Taxes Income ("GILTI") inclusion		1,721	2,013	1,786
Non-deductible officer's compensation		689	213	826
Research & development tax credit		(3,607)	(4,858)	(2,126)
Tax impact of audit and statue closures		(1,987)	(2,905)
Impact of the CARES Act		(732)	(1,141)
Other		(1,632)	419	574
Total income tax expense (benefit)	$ 13,333	$ 13,333	$ (4,157)	$ (2,507)
Effective tax rate		9.00%	(16.00%)	(420.00%)

Foreign derived intangible income (FDII) deduction.

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Global intangible low-taxes income inclusion.

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Tax impact of audit and statue closures.

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Tax impact of CARES Act.

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

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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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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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