Debt and Credit Arrangements - Scheduled Annual Maturities (Details) $ in Millions	Dec. 31, 2023 USD ($)
For the Year Ended December 31,
2024	$ 259.4
2025	0.0
2026	102.8
2027	0.0
2028	0.0
Thereafter	3,601.7
Senior secured and senior unsecured notes, net of unamortized discount and debt issuance costs	$ 3,963.9

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

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