Benefits Expected to be Paid from Plans Assets (Detail) - Pension plans - USD ($) $ in Thousands		12 Months Ended
		Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Schedule of Pension and Other Postretirement Benefits Expected Benefit Payments [Line Items]
Benefits paid		$ 1,514	$ 3,282
2025		3,911
2026		1,985
2027		1,986
2028		1,792
2029		1,718
2030-2034		7,586
Includes Plan No 1 and No 2 Single Lump Sum
Schedule of Pension and Other Postretirement Benefits Expected Benefit Payments [Line Items]
Benefits paid	[1]			$ 2,440
Includes Plan No 1 and No 2 Single Lump Sum
Schedule of Pension and Other Postretirement Benefits Expected Benefit Payments [Line Items]
Benefits paid	[2]		$ 3,282
Includes Plan No 1 and No 2 Single Lump Sum
Schedule of Pension and Other Postretirement Benefits Expected Benefit Payments [Line Items]
Benefits paid	[3]	$ 3,560

[1] Includes $0.9 million from Plan No. 2 paid as lump sums.

[2] Includes $1.7 million from Plan No. 2 paid as lump sums.

[3] Includes $2.0 million from Plan No. 2 paid as lump sums.