Summary of Total Costs and Recoveries (Detail) - USD ($) $ in Thousands	3 Months Ended			4 Months Ended	12 Months Ended
	Jan. 01, 2022	Oct. 09, 2021	Jan. 02, 2021	Apr. 24, 2021	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Product Recall And Recovery Loss On Inferior Ingredients [Abstract]
Expense recognized					$ 1,894	$ 1,257	$ 1,785
Recoveries recognized			$ (1,200)		(950)	(1,150)	(1,822)
Total loss (recovery) on inferior ingredients	$ 1,772	$ (950)	$ 107	$ 122	$ 944	$ 107	$ (37)