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Other Assets and Liabilities - Other Accrued and Current Liabilities (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Other Assets and Other Liabilities [Abstract]    
Accrued operating costs $ 95.1 $ 110.4
Accrued interest expense 8.0 12.6
Short-term lease liability 24.6 26.0
Accrued income tax 6.2 16.4
Other various 36.8 32.9
Total $ 170.7 $ 198.3