Net Income per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Apr. 03, 2021	Mar. 28, 2020
Earnings Per Share [Abstract]
Net income	$ 66,634	$ 39,140
Reconciliation of weighted-average shares outstanding:
Basic weighted-average shares outstanding (in shares)	25,377,000	27,858,000
Dilutive effect of stock-based awards (in shares)	1,167,000	914,000
Diluted weighted-average shares outstanding (in shares)	26,544,000	28,772,000
Net income per share – basic (in dollars per share)	$ 2.63	$ 1.40
Net income per share – diluted (in dollars per share)	$ 2.51	$ 1.36