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Equity Method Investments in Affiliates - Change in Equity Method Investments (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Change in Equity Method Investments in Affiliates [Roll Forward] |  |  |
Balance, as of December 31, 2024 | $ 2,246.6 |  |
Distributions of earnings | (295.9) | $ (289.0) |
Balance, as of June 30, 2025 | 2,618.3 |  |
Equity Method Investee |  |  |
Change in Equity Method Investments in Affiliates [Roll Forward] |  |  |
Balance, as of December 31, 2024 | 2,246.6 |  |
Investments in Affiliates | 534.5 |  |
Earnings, net of tax | 186.5 |  |
Intangible amortization and impairments | (45.6) |  |
Distributions of earnings | (294.5) |  |
Foreign currency translation | (9.2) |  |
Balance, as of June 30, 2025 | 2,618.3 |  |
Equity method investment, undistributed earnings | $ 93.9 |  | $ 206.1

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