Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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The premium (cost) of a hedge, expensed during the period.

+ References

No definition available.

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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4D
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624177-113959

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The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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The effective portion of gain reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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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.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
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The net gain (loss) relating to components of the gain (loss) on the cash flow hedging instrument excluded from the assessment of cash flow hedge effectiveness. Recognized in earnings.

+ References

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The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness.

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The net gain (loss) during the reporting period due to ineffectiveness in foreign currency cash flow hedges. Recognized in earnings.

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Maximum period of time the entity is hedging its exposure to variability in future cash flows for forecasted transactions, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Excludes forecasted transactions related to payment of variable interest on existing financial instruments.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994

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Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Derivatives and Hedging - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Derivative [Line Items]
Gain (loss) recognized in other comprehensive income (loss)	$ 2,679,000
Ineffective gains (losses) recognized	0
Gain (loss) from components excluded from assessment of cash flow hedge effectiveness, net		$ 576,000
Forward points expensed on derivatives		287,000
Net losses from accumulated other comprehensive income (loss) into net earnings during the next 12 months	$ 20,000
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)	$ 2,679,000
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	$ 43,098,000
Foreign Currency Forward Contracts \| Designated as Hedging Instrument
Derivative [Line Items]
Derivative notional amount	14,210,000	55,938,000
Foreign Exchange Forward \| Cost of Goods Sold
Derivative [Line Items]
Gain reclassified from AOCI into cost of goods	187,000
Foreign Exchange Forward \| Other Income (Expense)
Derivative [Line Items]
Gain (loss) on foreign currency cash flow hedge ineffectiveness		1,149,000
Foreign Exchange Forward \| Designated as Hedging Instrument \| Cash Flow Hedging
Derivative [Line Items]
Gain (loss) recognized in other comprehensive income (loss)	(2,679,000)	(538,000)	2,316,000
Ineffective gains (losses) recognized	0	0	1,149,000
Effect of Cash Flow Hedges on Results of Operations [Abstract]
Net Gain (Loss) Recognized in Other Comprehensive Income (Effective Portion)	(2,679,000)	(538,000)	2,316,000
Net Gain (Loss) Reclassified from Other Comprehensive Income into Earnings (Effective Portion)	(187,000)	(2,514,000)	1,791,000
Net Gain Recognized in Other Income (Expense) (Ineffective Portion)	$ 0	$ 0	$ 1,149,000
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