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Schedule II - Valuation And Qualifying Accounts (Details) - Allowance for Doubtful Accounts - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period $ 29.6 $ 7.9 $ 7.0
Charged to Costs and Expenses (5.4) 30.9 2.2
Deductions (3.8) (9.2) (1.3)
Balance at End of Period $ 20.4 $ 29.6 $ 7.9