Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 03, 2021	Mar. 28, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation expense	$ 6,416	$ 2,051
Income tax benefit	1,598	496
Total stock-based compensation expense, net of tax	4,818	1,555
Stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation expense	5,808	1,405
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation expense	$ 608	$ 646

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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