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Accounts Payable and Accrued Expenses - Schedule of Accounts Payable and Accured Expenses (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Payables And Accruals [Abstract]    
Trade accounts payable $ 211.5 $ 187.1
Employee-related expenses 39.4 56.6
Accrued vacation 21.4 20.2
Miscellaneous accrued expenses 86.1 76.9
Total accounts payable and accrued expenses $ 358.4 $ 340.8