Long-Term Debt - Future Contractual Maturities (Details) - USD ($) $ in Millions	Dec. 26, 2021	Dec. 27, 2020
Debt Instrument [Line Items]
Long-term borrowings	$ 4,052.5	$ 5,127.9
Debt Instruments Excluding Production Financing Facilities
Debt Instrument [Line Items]
2022	52.5
2023	60.0
2024	785.0
2025	0.0
2026	675.0
2027 and thereafter	2,309.9
Long-term borrowings	3,882.4
Production Financing Facilities
Debt Instrument [Line Items]
Long-term borrowings	$ 170.1	$ 165.5

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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