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Derivatives and Hedging - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Derivative [Line Items]      
Maximum maturity for foreign currency derivatives 12 months    
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net $ 0    
Forward points expensed on derivatives 61,000    
Net losses from accumulated other comprehensive income (loss) into net earnings during the next 12 months 1,576,000    
Effect of Cash Flow Hedges on Results of Operations [Abstract]      
Gain (Loss) Recognized in Other Comprehensive Income (Effective Portion) (1,601,000)    
Foreign currency losses (635,000) $ 675,000  
Foreign Exchange Forward | Cost Of Goods Sold      
Derivative [Line Items]      
Gain Reclassified from AOCI into COGS 45,000 902,000  
Designated as Hedging Instrument | Foreign Exchange Contract      
Derivative [Line Items]      
Notional amounts of derivatives 52,067,000   $ 14,210,000
Not Designated as Hedging Instrument | Foreign Exchange Contract      
Derivative [Line Items]      
Notional amounts of derivatives 139,457,000   $ 4,821,000
Cash Flow Hedging | Designated as Hedging Instrument | Foreign Exchange Forward      
Effect of Cash Flow Hedges on Results of Operations [Abstract]      
Gain (Loss) Recognized in Other Comprehensive Income (Effective Portion) (1,601,000) (2,554,000)  
Gain (Loss) Reclassified from Accumulated Other Comprehensive Loss into Earnings (Effective Portion) $ (45,000) $ (902,000)  
Minimum      
Derivative [Line Items]      
Maximum maturity for foreign currency cash flow hedge 12 months    
Maximum      
Derivative [Line Items]      
Maximum maturity for foreign currency cash flow hedge 15 months