Derivatives and Hedging - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Derivative [Line Items]
Foreign Currency Transaction Gain (Loss), net	$ (2,824,000)	$ 808,000	$ 226,000
Gain (loss) recognized in other comprehensive income (loss)	389,000	(2,679,000)	(567,000)
Ineffective gains (losses) recognized	0
Forward points expensed on derivatives		377,000
Net losses from accumulated other comprehensive income (loss) into net earnings during the next 12 months	$ 133,000
Maximum remaining maturity of foreign currency derivatives	12 months
Effect of Cash Flow Hedges on Results of Operations [Abstract]
Net Gain (Loss) Recognized in Other Comprehensive Income (Effective Portion)	$ 389,000	(2,679,000)	(567,000)
Net Gain Recognized in Other Income (Expense) (Ineffective Portion)	0
Foreign Currency Forward Contracts
Derivative [Line Items]
Derivative notional amount		(4,821,000)	(14,821,000)
Foreign Currency Forward Contracts | Designated as Hedging Instrument
Derivative [Line Items]
Derivative notional amount	0	(14,210,000)
Foreign Exchange Forward | Cost of Goods Sold
Derivative [Line Items]
Gain reclassified from AOCI into cost of goods	236,000	187,000
Foreign Exchange Forward | Designated as Hedging Instrument | Cash Flow Hedging
Derivative [Line Items]
Gain (loss) recognized in other comprehensive income (loss)	389,000	(2,679,000)	(538,000)
Effect of Cash Flow Hedges on Results of Operations [Abstract]
Net Gain (Loss) Recognized in Other Comprehensive Income (Effective Portion)	389,000	(2,679,000)	(538,000)
Net Gain (Loss) Reclassified from Other Comprehensive Income into Earnings (Effective Portion)	$ 236,000	$ (187,000)	$ (2,514,000)
Minimum
Derivative [Line Items]
Maximum length of time, foreign currency cash flow hedge	12 years
Maximum
Derivative [Line Items]
Maximum length of time, foreign currency cash flow hedge	15 years
Short [Member] | Foreign Currency Forward Contracts
Derivative [Line Items]
Derivative notional amount	$ (459,600,000)