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Operating Leases - Schedule of Operating Lease Liability, Maturity (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Jan. 01, 2019
Leases [Abstract]    
Liability, Payments, Next twelve months (2020) $ 17.7  
Liability, Payments, Due year two (2021) 16.4  
Liability, Payments, Due year three (2022) 13.0  
Liability, Payments, Due year four (2023) 12.2  
Liability, Payments, Due year five (2024) 11.7  
Liability, Payments, Due after year five 73.6  
Total minimum lease payments 144.6  
Less imputed interest (31.4)  
Operating lease liabilities $ 113.2 $ 95.5