Derivatives - Summary of Gain (Loss) on Derivatives Designated as Cash Flow Hedging Instruments (Detail) - Cash Flow Hedging [Member] - Foreign Exchange Contracts [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) recognized in OCI, net of tax	$ 20.0	$ (10.6)	$ (10.0)
Net (loss) gain reclassified from OCI into income	$ (1.5)	$ 1.7	$ 5.7