Commitments and Contingencies (Details) $ in Millions	Sep. 24, 2024 USD ($) item	Dec. 26, 2023 USD ($) item	Sep. 26, 2023 item
Commitments and Contingencies
Estimated cost to complete capital project commitments (in dollars) | $	$ 256.3	$ 237.4
Number of suppliers providing most of the company's beef | item	4		4
Lease Agreements [Member]
Commitments and Contingencies
Number of leases guarantees entity contingently liable | item	7	7
Lease Agreements [Member] | Maximum [Member]
Commitments and Contingencies
Contingently liable amount | $	$ 9.7	$ 10.4