Income Taxes - Tabular Reconciliation of Total Amounts of Unrecognized Tax Benefits (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Income Tax Disclosure [Abstract] | |||
| Balance at January 1 | $ 241.4 | $ 391.9 | $ 521.0 |
| Increases related to business combinations | 0.6 | ||
| Increases related to prior periods | 1.4 | 80.9 | 68.7 |
| Decreases related to prior periods | (0.3) | (136.8) | (206.2) |
| Increases related to current period | 4.8 | 4.3 | 8.7 |
| Decreases related to settlements with taxing authorities | (98.4) | ||
| Decreases related to lapse of statute of limitations | (0.5) | (0.5) | (0.3) |
| Balance at December 31 | 247.4 | 241.4 | 391.9 |
| Amounts impacting effective tax rate, if recognized balance at December 31 | $ 213.2 | $ 204.1 | $ 251.6 |
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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/exampleRef
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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/exampleRef
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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/exampleRef
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- Definition Amount of increase in unrecognized tax benefits resulting from acquisitions. No definition available.
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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/exampleRef
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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/exampleRef
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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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- 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/exampleRef
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