Stock-Based Compensation - Accounting for Stock Based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Jan. 01, 2022	Jan. 02, 2021
Stock-Based Compensation
Stock-based compensation cost	$ 60,510	$ 56,842	$ 49,454
Income tax benefit	(5,980)	(954)	(3,694)
Share based compensation costs after tax	54,530	53,881	56,475
Total unrecognized compensation costs related to awards	$ 121,500
Weighted-average period of recognition of unrecognized compensation costs	2 years 1 month 6 days
Continuing operations
Stock-Based Compensation
Share based compensation costs after tax	$ 54,530	55,888	45,760
Discontinued operations
Stock-Based Compensation
Share based compensation costs after tax		(2,007)	10,715
Cost of revenues
Stock-Based Compensation
Stock-based compensation cost	1,152	964	970
Research and development
Stock-Based Compensation
Stock-based compensation cost	32,860	24,986	23,359
Selling, general and administrative
Stock-Based Compensation
Stock-based compensation cost	$ 26,498	30,892	$ 25,125
Expenses attributable to modification of equity awards		$ 7,800

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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