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Financial Instruments - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Foreign exchange contracts [Member]
Derivative [Line Items]
Notional amount of foreign currency derivative hedges	$ 432,700,000
Cash flow hedge [Member]
Derivative [Line Items]
Derivative instrument loss	2,000,000.0	$ 6,500,000
Cash flow hedge [Member] | Foreign exchange contracts [Member]
Derivative [Line Items]
Estimated amount of net derivative gains in accumulated other comprehensive income reclassified to earnings within 12 months	$ 700,000

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Nominal or face amount used to calculate payment on derivative.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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