Net Income per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Oct. 02, 2021	Jul. 03, 2021	Apr. 03, 2021	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Oct. 02, 2021	Sep. 26, 2020
Earnings Per Share [Abstract]
Net income	$ 53,721	$ 22,250	$ 66,634	$ 51,320	$ (12,630)	$ 39,140	$ 142,605	$ 77,830
Reconciliation of weighted-average shares outstanding:
Basic weighted-average shares outstanding (in shares)	23,464,000			27,973,000			24,404,000	27,918,000
Dilutive effect of stock-based awards (in shares)	769,000			661,000			920,000	642,000
Diluted weighted-average shares outstanding (in shares)	24,233,000			28,634,000			25,324,000	28,560,000
Net income per share – basic (in dollars per share)	$ 2.29			$ 1.83			$ 5.84	$ 2.79
Net income per share – diluted (in dollars per share)	$ 2.22			$ 1.79			$ 5.63	$ 2.73