Goodwill and Intangible Assets (Narrative) (Detail) $ in Millions |
9 Months Ended | ||
|---|---|---|---|
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Sep. 30, 2026
USD ($)
report
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Dec. 31, 2025
USD ($)
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Dec. 31, 2024
USD ($)
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| Intangible Asset, Goodwill and Other [Abstract] | |||
| Number of reporting units | report | 3 | ||
| Intangible assets, net (excluding goodwill) | $ 635.5 | $ 149.5 | $ 159.9 |
| Intangibles with indefinite useful lives | $ 22.5 | $ 22.9 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of indefinite-lived intangible asset. Excludes goodwill. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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