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Accrued Expenses - Schedule of Accrued Expenses (Details) - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Payables and Accruals [Abstract]    
Salaries, wages and employee benefits $ 42.9 $ 51.6
Interest 4.3 4.4
Environmental 10.4 10.4
Income taxes 10.7 10.7
Taxes other than income taxes 6.0 4.6
Operating lease liabilities 9.7 9.2
Other 24.2 29.3
Accrued expenses $ 108.2 $ 120.2