DERIVATIVES (Textual) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Derivative [Line Items]
Maximum period for which derivative contracts cover currency and commodity exposures (in years)	2 years
Hedge ineffectiveness was immaterial	Hedge ineffectiveness was immaterial for each of the three years in the period ended December 31, 2017.
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimate of Time to Transfer	12 months
Foreign exchange contracts
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	$ (224)
Designated as Hedging Instruments \| Foreign exchange contracts
Derivative [Line Items]
Notional amount of derivative instruments	35,489	$ 36,385
Designated as Hedging Instruments \| Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount of derivative instruments	100,000
Not designated as hedging instruments \| Foreign exchange contracts
Derivative [Line Items]
Notional amount of derivative instruments	$ 340,884	$ 261,168
Minimum
Derivative [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.60%
Maximum
Derivative [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.80%

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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- Definition

Maximum period covered by derivative contracts to hedge currency and commodity exposures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

The estimated net amount of existing gains or losses on 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)
-URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994

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- Definition

A disclosure of an assertion that the amount of cash flow hedge ineffectiveness is immaterial.

+ 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 (d)(1)
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

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Estimated period for the anticipated transfer of gain (loss), net, from accumulated other comprehensive income into earnings, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

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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