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Operating Leases - Schedule of Operating Leases Cash Flows (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]      
Operating lease liabilities $ (17.5) $ (17.3) $ (18.0)
Asset obtained in exchange for operating lease liability 23.9 5.0  
Reduction of right-of use assets resulting from reductions to lease obligations $ 2.3 $ 13.0  
Operating lease, weighted average remaining lease term (years( 8 years 9 months 18 days 9 years 1 month 6 days  
Operating lease, weighted average discount rate (percent) 5.00% 5.00%