Earnings Per Share - Computation of Basic and Diluted Earnings Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 29, 2024	Oct. 01, 2023	Sep. 29, 2024	Oct. 01, 2023
Earnings Per Share Basic [Line Items]
Net (loss) income	$ (29,901)	$ 1,858	$ (48,191)	$ 1,769
Weighted-average shares of common stock outstanding:
Basic	22,000	21,801	21,929	21,731
Dilutive effect of common stock equivalents arising from share option and nonvested share awards	0	244	0	272
Diluted	22,000	22,045	21,929	22,003
Basic (loss) earnings per share	$ (1.36)	$ 0.09	$ (2.2)	$ 0.08
Diluted (loss) earnings per share	$ (1.36)	$ 0.08	$ (2.2)	$ 0.08
Employee Stock Option
Weighted-average shares of common stock outstanding:
Antidilutive shares/unit awards excluded from diluted calculation	512	20	371	20
Non Vested Share Awards [Member]
Weighted-average shares of common stock outstanding:
Antidilutive shares/unit awards excluded from diluted calculation	705	276	436	310

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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