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Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Finite-Lived Intangible Assets [Line Items]
Amortization expenses	$ 73.5	$ 76.3	$ 220.7	$ 237.2
Current Year Acquisitions
Finite-Lived Intangible Assets [Line Items]
Intangible assets in connection with acquisition	312.9		$ 312.9
Weighted average useful lives of the acquired intangible assets			10 years 8 months 12 days
Customer Relationships | Current Year Acquisitions
Finite-Lived Intangible Assets [Line Items]
Intangible assets in connection with acquisition	303.9		$ 303.9
Weighted average useful lives of the acquired intangible assets			10 years 10 months 24 days
Trade Names | Current Year Acquisitions
Finite-Lived Intangible Assets [Line Items]
Intangible assets in connection with acquisition	$ 9.0		$ 9.0
Weighted average useful lives of the acquired intangible assets			3 years

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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