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Provision For Income Taxes - Schedule of Reconciliation of Income Taxes at the Statutory Federal Income Tax Rate to Net Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Jan. 01, 2021	Jan. 03, 2020
Income Tax Disclosure [Abstract]
U.S. federal income tax provision at statutory rate	$ 61,772	$ 27,476	$ 83,603
State tax (benefit) expense	1,336	(2,232)	1,148
Change in valuation allowance	2,883	5,525	3,208
Research credits	(6,263)	(11,356)	(8,299)
Stock-based compensation	(11,831)	(20,399)	(9,177)
Non-deductible executive compensation	11,182	18,067	4,228
Branded prescription drug fee	2,897	2,537	1,099
Other	1,115	(562)	1,287
Provision for income taxes	$ 63,091	$ 19,056	$ 77,097

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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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