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Income Taxes - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Income Tax Disclosure [Abstract] |  |  |
Income tax expense | $ 36.8 | $ 54.7 |
Effective income tax rate (as a percent) | 24.40% | 23.10% |
Income tax expense (benefits), tax credit, discrete benefits charges | $ 1.4 | $ (2.3) |
Income tax expense, interest expense on uncertain tax positions | 1.0 |  |
Income tax benefit, tax credit, discrete items purchase of discounted federal tax credits |  | (1.2) |
Income tax benefit, tax credit, discrete items amended state tax returns |  | (1.0) |
Unrecognized tax benefits | 62.0 |  | $ 61.6
Net unrecognized tax benefits, excluding interest and penalties that would affect the company's net income if recognized | 51.0 |  |
Interest and penalties expense on unrecognized tax benefits | 1.0 | 1.2 |
Accruals for payment of interest and penalties | 12.9 |  |
Significant change in unrecognized tax benefits is reasonably possible, amount of unrecorded benefit | 24.2 |  |
Cash paid for purchase of transferable tax credits | $ 6.9 | $ 22.1 |

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