Computation of Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2022	Jul. 02, 2021	Jul. 01, 2022	Jul. 02, 2021
Earnings Per Share Reconciliation [Abstract]
Net earnings	$ 4,064	$ 11,856	$ 8,092	$ 19,840
Basic:
Weighted average number of shares outstanding (in shares)	28,005	27,867	27,977	27,841
Basic earnings per share (in usd per share)	$ 0.15	$ 0.43	$ 0.29	$ 0.71
Diluted(1):
Weighted average shares issuable on exercise of dilutive stock options (in shares)	54	46	94	49
Diluted (in shares)	28,059	27,913	28,071	27,890
Diluted earnings per share (in usd per share)	$ 0.14	$ 0.42	$ 0.29	$ 0.71