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
Mar. 30, 2025	Mar. 31, 2024
Earnings Per Share Basic [Line Items]
Net loss	$ (17,250)	$ (8,286)
Weighted-average shares of common stock outstanding:
Basic	22,023	21,832
Dilutive effect of common stock equivalents arising from share option and nonvested share awards	0	0
Diluted	22,023	21,832
Basic loss per share	$ (0.78)	$ (0.38)
Diluted loss per share	$ (0.78)	$ (0.38)
Employee Stock Option
Weighted-average shares of common stock outstanding:
Antidilutive shares/unit awards excluded from diluted calculation	620	227
Nonvested Share Awards [Member]
Weighted-average shares of common stock outstanding:
Antidilutive shares/unit awards excluded from diluted calculation	596	573

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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