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Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Income Tax Disclosure [Abstract] |  |  |  |
Provision for income taxes | $ 29.4 | $ 20.4 | $ 87.8 | $ 85.8
Effective income tax rate | 15.70% | 15.00% | 16.60% | 15.60%
Tax benefit from termination of pension plans |  | $ 20.0 |  | $ 20.3
Effective income tax rate reconciliation tax benefit |  |  |  | $ 5.9

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