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Debt - Scheduled Maturities (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Sep. 30, 2021
Debt    
2022 (six months remaining) $ 22.6  
2023 61.8  
2024 45.1  
2025 39.4  
2026 402.1  
Thereafter 1,659.9  
Total debt $ 2,230.9 $ 2,235.6