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DERIVATIVES (Textual) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015
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, 2016. |
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 | $ (512) |
Designated as Hedging Instruments | Foreign exchange contracts |  |
Derivative [Line Items] |  |
Notional amount of derivative instruments | 36,385 | $ 30,388
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 | $ 261,168 | 267,626
Not designated as hedging instruments | Silver forward contract |  |
Derivative [Line Items] |  |
Notional amount of derivative instruments |  | $ 2,804
Minimum |  |
Derivative [Line Items] |  |
Debt Instrument, Basis Spread on Variable Rate | 0.59% |
Maximum |  |
Derivative [Line Items] |  |
Debt Instrument, Basis Spread on Variable Rate | 1.80% |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References 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 + Details
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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. + Details
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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 + Details
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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 + Details
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