Restructuring activities - Components of, and Changes in Restructuring Accruals (Detail) - USD ($) $ in Thousands		4 Months Ended
		Apr. 20, 2024	Apr. 22, 2023
Restructuring Cost And Reserve [Line Items]
Liability balance, beginning balance		$ 1,429
Charges	[1]	598	$ 4,195
Cash payments		(1,671)
Liability balance, ending balance		356
Employee Severance | 2023 VSIP
Restructuring Cost And Reserve [Line Items]
Liability balance, beginning balance		1,429
Charges		0	3,927
Cash payments		(1,429)
Liability balance, ending balance		0
Employee Severance | 2024 RIF
Restructuring Cost And Reserve [Line Items]
Liability balance, beginning balance		0
Charges		598	$ 0
Cash payments		(242)
Liability balance, ending balance		$ 356

[1] Presented on our Condensed Consolidated Statements of Income.