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Income Taxes - Schedule of Consolidated Provision for Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Income Tax Provision |  |  |  |
Controlling interest | $ 68.6 | $ 29.5 | $ 126.9 | $ 123.7
Non-controlling interests | 3.0 | 1.8 | 7.8 | 6.3
Income tax expense | 71.6 | 31.3 | 134.7 | 130.0
Deferred income tax (benefit) expense related to intangibles | 14.2 | 16.4 | 29.7 | 50.6
Parent Company |  |  |  |
Income Tax Provision |  |  |  |
Income before income taxes (controlling interest) | $ 281.0 | $ 153.1 | $ 495.9 | $ 473.2
Effective tax rate (controlling interests) | 24.40% | 19.30% | 25.60% | 26.10%

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