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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Income Tax Disclosure [Abstract] |  |  |  |
Income taxes | $ 7.5 | $ 25.1 | $ 17.2 | $ 26.9
Effective income tax rate | 61.50% | 29.50% | 37.20% | 23.20%
Total amount of unrecognized tax benefits, including related interest and penalties | $ 62.9 |  | $ 62.9 |
Unrecognized tax benefits excluding interest and penalties that if recognized would affect the effective tax rate | 44.4 |  | 44.4 |
Total accrued interest for tax contingencies | 13.2 |  | 13.2 |
Total accrued penalties for tax contingencies | 1.7 |  | 1.7 |
Amount of unrecognized tax benefits that could decrease within the next 12 months | 9.1 |  | 9.1 |
Decrease in unrecognized tax benefits expiration of statute of limitations | 8.2 |  | 8.2 |
Decrease in unrecognized tax benefits due to the settlement of audits or resolution of administrative or judicial proceedings | $ 0.9 |  | $ 0.9 |

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