Location of Gains and Losses on Derivative Instruments Designated as Cash Flow Hedging Instruments (Detail) - Designated as Hedging Instrument - Cash Flow Hedging - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Derivative Instruments, Gain (Loss)
Gain (Loss) Recognized in Other Comprehensive Income (Loss) on Derivatives	$ 29.7	$ (3.1)
Forwards
Derivative Instruments, Gain (Loss)
Gain (Loss) Recognized in Other Comprehensive Income (Loss) on Derivatives	29.9	(1.0)
Foreign Exchange Contracts
Derivative Instruments, Gain (Loss)
Gain (Loss) Recognized in Other Comprehensive Income (Loss) on Derivatives	$ (0.2)	$ (2.1)