Derivative Financial Instruments - Additional Information (Detail) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Not Designated as Hedging Instrument \| Foreign Exchange Forward
Derivatives, Fair Value [Line Items]
Forward contracts outstanding notional amount	$ 643.8	$ 349.1

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.

No definition available.

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