Related Party Transactions (Detail)			12 Months Ended
	Aug. 14, 2025 USD ($) Rate	Jul. 24, 2024 USD ($) Rate	Dec. 26, 2025 USD ($)	Dec. 27, 2024 USD ($) subsidiary	Dec. 29, 2023 USD ($)
Related Party Transaction [Line Items]
Advances and receivables			$ 376,100,000	$ 393,200,000
Right-of-use asset			192,800,000	186,100,000
Net sales			4,322,300,000	4,280,200,000	$ 4,320,700,000
Distributions to noncontrolling interests			4,800,000	0	17,900,000
Other noncurrent liabilities			25,900,000	26,800,000
Note receivable received in exchange for minority interest in subsidiary			0	500,000	0
Related Party
Related Party Transaction [Line Items]
Advances and receivables			7,100,000	5,300,000
Loans and Leases Receivable, Related Parties, Additions		$ 1,000,000
Debt Instrument, Interest Rate, Stated Percentage | Rate	7.00%	5.50%
Loans and Leases Receivable, Related Parties	$ 1,000,000		500,000	500,000
Term	2 years
Payables			300,000	600,000
Purchases from unconsolidated companies			4,600,000	3,000,000.0	46,100,000
Net sales			1,800,000	$ 2,000,000.0	1,000,000.0
Loans and Leases Receivable, Related Parties, Additions		$ 1,000,000
Related Party | Mann Packing | Affiliated Entity
Related Party Transaction [Line Items]
Number of subsidiaries | subsidiary				1
Number of subsidiaries | subsidiary				1
Affiliated Entity | Mann Packing
Related Party Transaction [Line Items]
Expenses					43,000,000.0
Operating lease expense					700,000
Chairman and Chief Executive Officer | Chartered Air Transportation Services
Related Party Transaction [Line Items]
Expenses			400,000	$ 400,000	300,000
Noncontrolling Interests
Related Party Transaction [Line Items]
Distributions to noncontrolling interests					$ 17,900,000
Other noncurrent liabilities			0	$ 0
managro
Related Party Transaction [Line Items]
Loans and Leases Receivable, Related Parties			$ 1,100,000