Restructuring activities - Components of, and Changes in Restructuring Accruals (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Oct. 05, 2024	Oct. 07, 2023	Oct. 05, 2024	Oct. 07, 2023
Restructuring Cost And Reserve [Line Items]
Liability balance, beginning balance				$ 1,429
Charges			$ 179	7,403	$ 6,873
Cash payments				(8,746)
Liability balance, ending balance		$ 86		86
Employee Severance | 2023 VSIP
Restructuring Cost And Reserve [Line Items]
Liability balance, beginning balance				1,429
Charges			$ 0	0	$ 5,229
Cash payments				(1,429)
Liability balance, ending balance		0		0
Employee Severance | 2024 RIF
Restructuring Cost And Reserve [Line Items]
Liability balance, beginning balance				0
Charges	[1]	0		7,403
Cash payments				(7,317)
Liability balance, ending balance		$ 86		$ 86

[1] Presented on our Condensed Consolidated Statements of Income (Loss)