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Leases - Additional Information and Maturity Schedule (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 01, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Operating Leased Assets [Line Items]        
Lessee, Operating Lease, Renewal Term 5 years      
Operating Lease, Option To Terminate, Term 1 year      
Future minimum lease payments required under leasing arrangements        
Future minimum lease payments, 2020   $ 30.0    
Future minimum lease payments, 2021   24.0    
Future minimum lease payments, 2022   20.0    
Future minimum lease payments, 2023   16.0    
Future minimum lease payments, 2024   11.0    
Future minimum lease payments, Thereafter   15.0    
Rental expense under operating leases   $ 33.0 $ 37.0 $ 39.0
Minimum        
Operating Leased Assets [Line Items]        
Lessee, Operating Lease, Term of Contract 1 year      
Maximum        
Operating Leased Assets [Line Items]        
Lessee, Operating Lease, Term of Contract 10 years