XML 72 R61.htm IDEA: XBRL DOCUMENT v3.21.2
Accounts Payable and Accrued Expenses - Schedule of Accounts Payable and Accured Expenses (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Payables And Accruals [Abstract]    
Trade accounts payable $ 250.2 $ 178.1
Employee-related expenses 54.1 38.5
Accrued vacation 23.1 22.4
Miscellaneous accrued expenses 96.8 90.4
Total accounts payable and accrued expenses $ 424.2 $ 329.4