DERIVATIVES (Textual) (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2016	Dec. 31, 2015
Derivative [Line Items]
Gain (loss) expected to be reclassified from AOCI to earnings, next twelve months	$ (260)
Gain (loss) expected to be reclassified from AOCI to earnings, period of recognition	12 months
Hedge ineffectiveness was immaterial	Hedge ineffectiveness was immaterial in the six months ended June 30, 2016 and 2015.
Foreign exchange contracts \| Designated as Hedging Instrument
Derivative [Line Items]
Derivative, notional amount	$ 121,144	$ 30,388
Foreign exchange contracts \| Not designated as hedging instruments
Derivative [Line Items]
Derivative, notional amount	$ 296,373	267,626
Silver forward contract \| Not designated as hedging instruments
Derivative [Line Items]
Derivative, notional amount		$ 2,804

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

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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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.

+ References

No definition available.

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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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