Computation of Basic and Diluted Earnings per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2024	Jun. 30, 2023	Jun. 28, 2024	Jun. 30, 2023
Numerators:
Net income	$ 13,755	$ 20,879	$ 28,431	$ 39,144
Denominators:
Weighted average common shares outstanding—basic	35,946	35,851	35,930	35,830
Dilutive common share equivalents	146	181	180	185
Weighted average common shares outstanding— diluted	36,092	36,032	36,110	36,015
Antidilutive common share equivalents excluded from above	166	141	119	127
Earnings per common share (Note 5):
Basic	$ 0.38	$ 0.58	$ 0.79	$ 1.09
Diluted	$ 0.38	$ 0.58	$ 0.79	$ 1.09