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Debt (Details 2) - USD ($) $ in Millions		6 Months Ended
	Oct. 11, 2022	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Debt Instrument [Line Items]
Proceeds from Issuance of Debt		$ 511.5	$ 415.0
Long-term Debt Repayments		(272.6)	(271.3)
Proceeds from (Repayments of) Debt		238.9	143.7
2022 Senior Credit Facility		1,550.0
Quarterly Required Principal Payment Percent Through 2024	0.625%
Quarterly Required Principal Payment Percent After 2024	1.25%
Repayments		(272.6)	(271.3)
Senior Revolving Credit Facility
Debt Instrument [Line Items]
Proceeds from Issuance of Debt		465.0	215.0
Long-term Debt Repayments		(122.0)	0.0
Repayments		(122.0)	0.0
Receivables Financing Agreement
Debt Instrument [Line Items]
Proceeds from Issuance of Debt		46.5	200.0
Long-term Debt Repayments		(76.2)	(265.2)
Repayments		(76.2)	(265.2)
Variable-rate Go Zone bonds
Debt Instrument [Line Items]
Long-term Debt Repayments		(50.0)	0.0
Notes Payable		0.0	50.0	$ 50.0
Repayments		(50.0)	0.0
Variable-rate Recovery Zone bonds
Debt Instrument [Line Items]
Long-term Debt Repayments		(20.0)	0.0
Notes Payable		83.0	103.0	$ 103.0
Repayments		(20.0)	0.0
Senior Term Loan
Debt Instrument [Line Items]
Long-term Debt Repayments		(4.4)	(4.4)
Repayments		(4.4)	(4.4)
Finance Leases
Debt Instrument [Line Items]
Long-term Debt Repayments		0.0	(1.7)
Repayments		0.0	$ (1.7)
$1,550.0 Million Secured Credit Facility
Debt Instrument [Line Items]
2022 Senior Credit Facility	$ 1,550.0
Notes Payable		411.0
350.0 Million Term Loan Facility
Debt Instrument [Line Items]
Term Loan Facility, Maximum Borrowing Capacity	350.0
$1,200.0 million Senior Revolving Credit Facility
Debt Instrument [Line Items]
Senior Revolving Credit Facility, Maximum Borrowing Capacity	$ 1,200.0
Letters of Credit Outstanding, Amount		100.0
Senior Revolving Credit Facility, Remaining Borrowing Capacity		788.6
Letters of Credit Issued Under Senior Revolving Credit Facility
Debt Instrument [Line Items]
Letters of Credit Outstanding, Amount		$ 0.4

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