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Equity Method Investments in Affiliates - Change in Equity Method Investments in Affiliates (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Change in Equity Method Investments in Affiliates [Roll Forward]      
Balance, beginning of period $ 2,288.5    
Distributions of earnings (403.9) $ (490.8) $ (393.5)
Return of capital (0.7) (0.2) (0.8)
Balance, end of period 2,246.6 2,288.5  
Equity Method Investee      
Change in Equity Method Investments in Affiliates [Roll Forward]      
Balance, beginning of period 2,288.5 2,139.5  
Investments in Affiliates 14.3 349.8  
Earnings 442.7 375.6  
Intangible amortization and impairments (130.0) (95.6)  
Distributions of earnings (402.7) (492.1)  
Return of capital (0.7) (0.2)  
Foreign currency translation 34.5 29.3  
Other 0.0 (17.8)  
Balance, end of period $ 2,246.6 $ 2,288.5 $ 2,139.5