Derivative Instruments and Hedging Activities - Derivative Instruments Not Designated as Hedging Instruments (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Derivatives Not Designated as Hedges [Member] \| Foreign Exchange Forward Contracts [Member] \| Other income (expense), net [Member]
Derivative Instruments Gain Loss [Line Items]
Losses from derivative instruments not designated as hedging instruments	$ 1.4	$ (8.8)	$ (0.8)	$ (11.4)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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