Goodwill and Other Identifiable Intangible Assets - Detail of Identifiable Intangible Assets (Detail) - USD ($) $ in Millions |
Sep. 30, 2026 |
Dec. 31, 2025 |
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| Acquired Intangible Assets By Major Class [Line Items] | ||
| Cost | $ 1,231.0 | $ 1,248.4 |
| Accumulated amortization | (458.9) | (431.0) |
| Net | 772.1 | 817.4 |
| Cost | 1,484.5 | 1,504.3 |
| Net | 1,025.6 | 1,073.3 |
| Trade names intangibles | ||
| Acquired Intangible Assets By Major Class [Line Items] | ||
| Net, indefinite-life intangibles | 253.5 | 255.9 |
| Customer relationships | ||
| Acquired Intangible Assets By Major Class [Line Items] | ||
| Cost | 1,148.5 | 1,166.0 |
| Accumulated amortization | (413.0) | (389.4) |
| Net | 735.5 | 776.6 |
| Proprietary technology and patents | ||
| Acquired Intangible Assets By Major Class [Line Items] | ||
| Cost | 82.5 | 82.4 |
| Accumulated amortization | (45.9) | (41.6) |
| Net | $ 36.6 | $ 40.8 |
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- Definition Acquired Intangible Assets by Major Class [Line Items] No definition available.
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- Definition Amount of accumulated amortization of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of indefinite-lived intangible asset. Excludes goodwill. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, before accumulated amortization, of finite- and indefinite-lived intangible assets and capitalized cost for software to be sold, leased, or marketed. Excludes goodwill. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after accumulated amortization, of finite- and indefinite-lived intangible assets and capitalized cost for software to be sold, leased, or marketed. Excludes goodwill. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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