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Commitments and Contingencies (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Leases, Operating [Abstract]      
Rent expense $ 24.4 $ 21.1 $ 22.6
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
2019 20.4    
2020 17.9    
2021 16.6    
2022 14.2    
2023 10.1    
Thereafter 16.4    
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract]      
Purchase obligation, property, plant, and equipment 60.4    
Accrual for Environmental Loss Contingencies [Abstract]      
Accrual for environmental remediation obligations 20.0 $ 12.0  
Accrued environmental loss contingencies recorded in other current liabilities 8.0    
Components of Environmental Loss Accrual [Abstract]      
Federal Superfund and comparable state-managed sites 3.0    
Formerly owned or operated sites 16.0    
Owned or controlled sites at which Company operations have been discontinued 1.0    
Reasonably possible amount by which current matters may exceed reserves $ 16.0