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Other Assets and Liabilities - Other Accrued and Current Liabilities (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Other Assets and Other Liabilities [Abstract]    
Accrued operating costs $ 112.0 $ 110.4
Accrued interest expense 2.9 12.6
Short-term lease liability 21.7 26.0
Accrued income tax 5.9 16.4
Other various 44.0 32.9
Total $ 186.5 $ 198.3