Stock-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Stock-based compensation costs
Stock based compensation costs	$ 14,389	$ 11,252	$ 27,264	$ 22,620
Income tax benefit	1,371	577	3,215	1,259
Share based compensation costs after tax	13,018	12,309	24,049	24,470
Total unrecognized compensation costs related to awards	130,400		$ 130,400
Weighted-average period of recognition of unrecognized compensation costs			2 years 4 months 24 days
Continuing operations
Stock-based compensation costs
Share based compensation costs after tax	13,018	10,675	$ 24,049	21,361
Discontinued operations
Stock-based compensation costs
Share based compensation costs after tax		1,634		3,109
Cost of revenues
Stock-based compensation costs
Stock based compensation costs	274	199	546	436
Research and development
Stock-based compensation costs
Stock based compensation costs	7,703	5,488	14,694	11,118
Selling, general and administrative
Stock-based compensation costs
Stock based compensation costs	$ 6,412	$ 5,565	$ 12,024	$ 11,066

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

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