Income Taxes - Additional Information (Detail) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2022 |
Sep. 30, 2021 |
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| Income Tax Disclosure [Abstract] | ||||
| Income taxes | $ 30.7 | $ 34.3 | $ 93.5 | $ 104.2 |
| Effective income tax rate | 27.20% | 22.60% | 25.90% | 20.30% |
| Total amount of unrecognized tax benefits, including related interest and penalties | $ 82.9 | $ 82.9 | ||
| Unrecognized tax benefits excluding interest and penalties that if recognized would affect the effective tax rate | 55.7 | 55.7 | ||
| Total accrued interest for tax contingencies | 17.3 | 17.3 | ||
| Total accrued penalties for tax contingencies | 3.1 | 3.1 | ||
| Amount of unrecognized tax benefits that could decrease within the next 12 months | 8.7 | 8.7 | ||
| Decrease in unrecognized tax benefits expiration of statute of limitations | 7.8 | 7.8 | ||
| Decrease in unrecognized tax benefits due to the settlement of audits or resolution of administrative or judicial proceedings | $ 0.9 | $ 0.9 | ||
| X | ||||||||||
- Definition Estimated decrease in unrecognized tax benefits within the next twelve months due to settlement of audits or resolution of administrative or judicial proceedings. No definition available.
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| X | ||||||||||
- Definition Estimated decrease in unrecognized tax benefits within the next twelve months due to expiration of statute of limitations. No definition available.
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| X | ||||||||||
- Definition Gross balance of unrecognized tax benefits including interest and penalties. No definition available.
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| X | ||||||||||
- Definition Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of interest expense accrued for an underpayment of income taxes. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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