Derivative Instruments and Hedging Activities - Derivative Instruments Not Designated as Hedging Instruments (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Derivatives Not Designated as Hedges [Member] | Foreign Exchange Forward Contracts [Member] | Other (expense) income, net [Member]
Derivative Instruments Gain Loss [Line Items]
Gains/(losses) from derivative instruments not designated as hedging instruments	$ 3.8	$ (6.7)	$ 0.2	$ (15.2)