Equity Method Investments in Affiliates - Schedule of Changes in Equity Method Investments (Details) - USD ($) $ in Millions |
6 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Change in Equity Method Investments in Affiliates [Roll Forward] | |||
| Balance, as of December 31, 2025 | $ 2,870.4 | ||
| Distributions of earnings | (464.5) | $ (295.9) | |
| Return of capital | (2.5) | $ 0.0 | |
| Balance, as of June 30, 2026 | 2,936.8 | ||
| Equity Method Investee | |||
| Change in Equity Method Investments in Affiliates [Roll Forward] | |||
| Balance, as of December 31, 2025 | 2,870.4 | ||
| Investments in Affiliates | 246.9 | ||
| Earnings, net of tax | 336.1 | ||
| Intangible amortization and impairments | (63.9) | ||
| Distributions of earnings | (465.9) | ||
| Return of capital | (2.5) | ||
| Foreign currency translation | (14.4) | ||
| Other | 30.1 | ||
| Balance, as of June 30, 2026 | 2,936.8 | ||
| Equity method investment, undistributed earnings | $ 145.8 | $ 280.4 | |