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Goodwill - Summary of Change in Carrying Value of Goodwill (Detail) $ in Millions	9 Months Ended
	Sep. 30, 2023 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Beginning balance	$ 8,863.0
Adjustments to prior acquisitions	(0.8)
Effect of foreign currency translation	7.3
Ending balance	$ 8,854.9

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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