Earnings Per Share - Computation of Basic and Diluted Earnings Per Common Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2022	Jul. 04, 2021	Jul. 03, 2022	Jul. 04, 2021
Earnings Per Share Basic [Line Items]
Net income	$ 8,934	$ 36,803	$ 18,037	$ 58,349
Weighted-average shares of common stock outstanding:
Basic	21,675,000	21,746,000	21,677,000	21,582,000
Dilutive effect of common stock equivalents arising from share option, nonvested share and nonvested share unit awards	364,000	847,000	520,000	925,000
Diluted	22,039,000	22,593,000	22,197,000	22,507,000
Basic earnings per share	$ 0.41	$ 1.69	$ 0.83	$ 2.70
Diluted earnings per share	$ 0.41	$ 1.63	$ 0.81	$ 2.59
Share Option Awards [Member]
Weighted-average shares of common stock outstanding:
Antidilutive shares/unit awards excluded from diluted calculation	14,000	0	12,000	12,000
Nonvested Share Awards and Nonvested Share Unit Awards [Member]
Weighted-average shares of common stock outstanding:
Antidilutive shares/unit awards excluded from diluted calculation	403,000	4,000	0	2,000