Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Jun. 25, 2022	Dec. 25, 2021	Jun. 26, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Unsecured Debt	$ 1,000.0	$ 1,000.0	$ 1,000.0
Bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt	$ 650.0	$ 650.0	$ 650.0

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Balance Type:	credit
Period Type:	instant