Restructuring activities - Components of Costs Associated with Restructuring Programs (Detail) - USD ($) $ in Thousands		4 Months Ended
		Apr. 20, 2024	Apr. 22, 2023
Restructuring Cost And Reserve [Line Items]
Restructuring charges	[1]	$ 598	$ 4,195
Restructuring-related implementation costs	[2]	1,344	0
Total restructuring charges		1,942	4,195
Employee Severance | 2023 VSIP
Restructuring Cost And Reserve [Line Items]
Restructuring charges		0	3,927
Employee Severance | 2024 RIF
Restructuring Cost And Reserve [Line Items]
Restructuring charges		598	0
Relocation costs
Restructuring Cost And Reserve [Line Items]
Restructuring charges		$ 0	$ 268

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

[2] Costs are recorded in the selling, distribution and administrative expenses line item of our Condensed Consolidated Statements of Income.