Goodwill and Intangible Assets - Summary of Changes in goodwill (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Beginning balance	$ 1,952.6	$ 1,916.3
Acquisitions	144.7	35.6
Translation and other adjustments	(2.6)	0.7
Ending balance	$ 2,094.7	$ 1,952.6