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Equity Method Investments in Affiliates - Change in Equity Method Investments (Details) - USD ($) $ in Millions | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022
Change in Equity Method Investments in Affiliates [Roll Forward] |  |
Balance, as of December 31, 2022 | $ 2,139.5 |
Distributions of earnings | (350.9) | $ (276.4)
Balance, as of June 30, 2023 | 1,943.8 |
Equity Method Investee |  |
Change in Equity Method Investments in Affiliates [Roll Forward] |  |
Balance, as of December 31, 2022 | 2,139.5 |
Earnings | 156.3 |
Intangible amortization and impairments | (41.8) |
Distributions of earnings | (352.3) |
Foreign currency translation | 29.2 |
Other | 12.9 |
Balance, as of June 30, 2023 | $ 1,943.8 |

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