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Equity-based Compensation - Schedule of Share-based Payments Liability (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Deferred Compensation, Share-based Arrangements Rollforward [Roll Forward]      
Balance, beginning of period $ 28.1    
Affiliate disposals 0.0 $ (0.8) $ 0.0
Balance, end of period 19.4 28.1  
Cash Settled Awards      
Deferred Compensation, Share-based Arrangements Rollforward [Roll Forward]      
Balance, beginning of period 28.1 25.0 33.2
Amortization and revaluation of granted awards (4.6) 5.4 2.0
Repurchases (cash-settled) (4.1) (1.5) (10.2)
Balance, end of period $ 19.4 $ 28.1 $ 25.0