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Long-Term Debt, Debt Maturity (Details)
$ in Millions
Dec. 31, 2021
USD ($)
Maturity of the Company's long-term debt over each of the next five years  
2022 $ 4.0
2023 1.1
2024 350.1
2025 400.4
2026 1,362.6
Thereafter 2,712.4
Debt (exclusive of unamortized deferred debt issuance costs) $ 4,830.6