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Redeemable Noncontrolling Interests - Redeemable Noncontrolling Interests Activity (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Roll Forward]    
Balance at beginning of period $ 42.2  
Net income attributable to noncontrolling interests 1.9 $ 2.4
Distributions declared (24.9) (22.4)
Balance at end of period 43.2  
Redeemable Noncontrolling Interest    
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Roll Forward]    
Balance at beginning of period 42.2 31.6
Net income attributable to noncontrolling interests 1.9 2.4
Distributions declared (0.9) (2.3)
Balance at end of period $ 43.2 $ 31.7