Derivative Instruments and Hedging Activities - Additional Information (Detail) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
Sep. 30, 2026	Dec. 31, 2025
Derivative Instruments Gain Loss [Line Items]
Gross Amounts of Recognized Liabilities	$ 9.1	$ 6.0
Gross Amounts of Recognized Assets	6.3	2.0
Cash flow hedges reclassified into earnings over next twelve months	(1.6)
Foreign exchange currency contracts [Member]
Derivative Instruments Gain Loss [Line Items]
Derivative aggregate notional amounts	850.6
Gross Amounts of Recognized Liabilities	9.1	6.0
Gross Amounts of Recognized Assets	6.3	2.0
Foreign exchange currency contracts [Member] \| Derivatives designated as cash flow hedging instruments [Member]
Derivative Instruments Gain Loss [Line Items]
Derivative aggregate notional amounts	117.1	75.4
Gross Amounts of Recognized Liabilities	2.0	4.5
Gross Amounts of Recognized Assets	$ 1.0	$ 0.0
Freestanding derivatives [Member]
Derivative Instruments Gain Loss [Line Items]
Derivative average remaining maturity period	1 month	1 month
Maximum [Member] \| Foreign exchange currency contracts [Member] \| Derivatives designated as cash flow hedging instruments [Member]
Derivative Instruments Gain Loss [Line Items]
Derivative maximum remaining maturity period	15 months
Maximum [Member] \| Foreign exchange forward contracts [Member]
Derivative Instruments Gain Loss [Line Items]
Derivative average remaining maturity period	12 months	12 months

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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