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Equity Method Investments in Affiliates - Change in Equity Method Investments (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Change in Equity Method Investments in Affiliates [Roll Forward] |  |
Balance, as of December 31, 2023 | $ 2,288.5 |
Distributions of earnings | (211.5) | $ (305.5)
Balance, as of March 31, 2024 | 2,214.1 |
Equity Method Investee |  |
Change in Equity Method Investments in Affiliates [Roll Forward] |  |
Balance, as of December 31, 2023 | 2,288.5 |
Earnings | 138.3 |
Intangible amortization and impairments | (20.8) |
Distributions of earnings | (211.5) |
Foreign currency translation | 19.6 |
Balance, as of March 31, 2024 | $ 2,214.1 |

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