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Income Taxes - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Income Tax Disclosure [Abstract] |  |  |  |  |
Income tax expense | $ 53.5 | $ 56.3 | $ 108.2 | $ 90.5 |
Effective income tax rate (as a percent) | 23.40% | 24.30% | 23.20% | 25.10% |
Income tax expense (benefits), tax credit, discrete charges | $ (2.0) | $ 1.2 | $ (4.2) | $ 4.2 |
Income tax benefit, tax credit, discrete items purchase of discounted federal tax credits | (1.9) |  | (3.1) |  |
Income tax benefit, tax credit, discrete items amended sales returns |  |  | (1.0) |  |
Valuation allowance charges with respect to unrealizable foreign tax credits |  |  |  | 2.5 |
Charge related to a valuation allowance |  |  |  | 1.7 |
Unrecognized tax benefits | 66.2 |  | 66.2 |  | $ 64.3
Net unrecognized tax benefits, excluding interest and penalties that would affect the company's net income if recognized | 52.4 |  | 52.4 |  |
Interest and penalties expense on unrecognized tax benefits |  |  | 2.1 | 0.9 |
Accruals for payment of interest and penalties | 9.9 |  | 9.9 |  |
Significant change in unrecognized tax benefits is reasonably possible, amount of unrecorded benefit | $ 23.0 |  | 23.0 |  |
Cash paid for income taxes, net of refunds |  |  | 325.8 | 106.5 |
Cash paid for purchase of transferable tax credits |  |  | $ 44.3 | $ 2.9 |

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