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Fair Value of Financial Instruments (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Sep. 24, 2022
Sep. 25, 2021
Dec. 25, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unsecured Debt $ 1,090.0 $ 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
Notes Payable to Banks      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Long-term Debt 150.0 150.0 150.0
November 2020 Term Loan      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Notional Amount, Current 200.0 200.0 200.0
2016 Senior Credit Facility [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Line of Credit Facility, Maximum Month-end Outstanding Amount $ 90.0 $ 0.0 $ 0.0