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Derivatives - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Maximum period for hedging a portion of forecasted foreign currency denominated intercompany sales of inventory 18 months  
Accumulated other comprehensive income realization period 12 months  
Foreign Exchange Forward Contracts [Member]    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Gross notional values of outstanding forward foreign exchange contracts $ 176.2 $ 154.7