Earnings Per Share - Schedule of Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		4 Months Ended		6 Months Ended
	Jul. 13, 2024	Jul. 15, 2023	Apr. 20, 2024	Apr. 22, 2023	Jul. 13, 2024	Jul. 15, 2023
Numerator:
Net earnings	$ 11,489	$ 19,468	$ 12,971	$ 11,337	$ 24,460	$ 30,805
Adjustment for earnings attributable to participating securities	(62)	(140)			(145)	(254)
Net earnings used in calculating earnings per share	$ 11,427	$ 19,328			$ 24,315	$ 30,551
Denominator:
Weighted average shares outstanding, including participating securities	33,726	34,125			33,962	34,366
Adjustment for participating securities	(181)	(246)			(201)	(283)
Shares used in calculating basic earnings per share	33,545	33,879			33,761	34,083
Effect of dilutive restricted stock awards	36	48			71	100
Shares used in calculating diluted earnings per share	33,777	34,395			34,128	34,833
Basic earnings per share	$ 0.34	$ 0.57			$ 0.72	$ 0.9
Diluted earnings per share	$ 0.34	$ 0.56			$ 0.71	$ 0.88
Stock Warrant [Member]
Denominator:
Effect of dilutive restricted stock awards	196	468			296	650