Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		9 Months Ended
	Jun. 25, 2022	Jun. 26, 2021	Jun. 25, 2022	Jun. 26, 2021	Sep. 25, 2021	Dec. 25, 2021
Debt Instrument [Line Items]
Unsecured Debt	$ 1,000,000	$ 1,000,000	$ 1,000,000	$ 1,000,000		$ 1,000,000
Unamortized Debt Issuance Costs	(12,600)	(14,600)	(12,600)	(14,600)		(13,600)
Unsecured debt, net of debt issuance costs	987,400	985,400	987,400	985,400		986,400
Unsecured Debt, Current	0	0	0	0		0
Letters of Credit Outstanding, Amount	57,600	68,100	57,600	68,100		52,900
Long-term debt	$ 987,411	$ 985,353	$ 987,411	$ 985,353		986,382
Effective Income Tax Rate Reconciliation, Percent	23.50%	22.80%	22.70%	21.50%
2016 Senior Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Month-end Outstanding Amount	$ 0	$ 0			$ 0
Bonds
Debt Instrument [Line Items]
Long-term Debt	650,000	650,000	$ 650,000	$ 650,000		650,000
Notes Payable to Banks
Debt Instrument [Line Items]
Long-term Debt	150,000	150,000	150,000	150,000		150,000
November 2020 Term Loan
Debt Instrument [Line Items]
Notional Amount, Current	$ 200,000	$ 200,000	$ 200,000	$ 200,000		$ 200,000