Income Taxes - Summary of Activity Related to Company's Unrecognized Tax Benefits (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Beginning Balance	$ 126.1	$ 132.9
Increases related to current year tax positions	14.6	10.8
Increases related to prior tax positions	7.3
Decreases related to acquired tax positions		(12.0)
Lapse in statute of limitation	(6.0)	(4.8)
Foreign exchange translation adjustment		(0.8)
Ending Balance	$ 142.0	$ 126.1