Income Taxes - Changes Occurred in Amount of Unrecognized Tax Benefits (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Income Tax Disclosure [Abstract] | |||
| Beginning balance of unrecognized tax benefits | $ 52.7 | $ 48.9 | $ 53.5 |
| Additions for current year tax positions | 9.2 | 9.7 | 8.4 |
| Additions for prior year tax positions | 5.1 | 1.3 | 6.1 |
| Reductions for prior year tax positions | (2.3) | (0.6) | (15.4) |
| Reductions for audit settlements | (5.2) | (4.7) | (0.1) |
| Reductions for the expiration of statutes of limitations | (4.1) | (2.1) | (3.6) |
| Changes due to foreign currency translation adjustments | (1.3) | 0.2 | 0.0 |
| Ending balance of unrecognized tax benefits (excluding interest and penalties) | 54.1 | 52.7 | 48.9 |
| Interest and penalties associated with unrecognized tax benefits | 18.4 | 13.2 | 11.0 |
| Ending balance of unrecognized tax benefits (including interest and penalties) | $ 72.5 | $ 65.9 | $ 59.9 |
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- Definition Gross balance of unrecognized tax benefits including interest and penalties. No definition available.
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- Definition Unrecognized tax benefits gross interest and penalties. No definition available.
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- Definition Unrecognized tax benefits increase decrease resulting from foreign currency translation. No definition available.
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- References No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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