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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Notional Amount and Fair Value (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Dec. 31, 2017
Foreign currency exchange contracts | Maximum |  |
Derivative Instruments and Hedging Activities |  |
Term of derivative instrument | 1 month |
Not designated as hedging instruments | Receive CAD/pay USD | Accounts receivable, net |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Assets |  | $ 4,892
Fair Value, Assets |  | 61
Not designated as hedging instruments | Receive SGD/pay USD | Accounts receivable, net |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Assets |  | 223
Fair Value, Assets |  | 2
Not designated as hedging instruments | Receive SGD/pay USD | Accrued liabilities |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Liabilities | $ 3,296 |
Fair Value, Liabilities | (15) |
Not designated as hedging instruments | Receive NOK/pay USD | Accounts receivable, net |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Assets | 1,746 | 1,534
Fair Value, Assets | 4 | 18
Not designated as hedging instruments | Receive USD/pay BRL | Accounts receivable, net |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Assets |  | 1,806
Fair Value, Assets |  | 1
Not designated as hedging instruments | Receive USD/pay BRL | Accrued liabilities |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Liabilities | 717 |
Fair Value, Liabilities | (8) |
Not designated as hedging instruments | Receive USD/pay CLP | Accrued liabilities |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Liabilities | 2,545 | 1,112
Fair Value, Liabilities | (3) | (8)
Not designated as hedging instruments | Receive USD/pay COP | Accounts receivable, net |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Assets |  | 2,803
Fair Value, Assets |  | 13
Not designated as hedging instruments | Receive USD/pay COP | Accrued liabilities |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Liabilities | 3,286 |
Fair Value, Liabilities | (3) |
Not designated as hedging instruments | Receive USD/pay GBP | Accounts receivable, net |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Assets | 33,290 |
Fair Value, Assets | 139 |
Not designated as hedging instruments | Receive USD/pay GBP | Accrued liabilities |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Liabilities |  | 31,342
Fair Value, Liabilities |  | (334)
Not designated as hedging instruments | Receive USD/pay EUR | Accrued liabilities |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Liabilities | 76,452 | 65,131
Fair Value, Liabilities | (85) | (642)
Not designated as hedging instruments | Receive USD/pay AUD | Accrued liabilities |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Liabilities | 16,909 | 17,238
Fair Value, Liabilities | (73) | (177)
Not designated as hedging instruments | Receive USD/pay ZAR | Accounts receivable, net |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Assets | 20,255 |
Fair Value, Assets | 65 |
Not designated as hedging instruments | Receive USD/pay ZAR | Accrued liabilities |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Liabilities |  | 21,311
Fair Value, Liabilities |  | (222)
Not designated as hedging instruments | Receive USD/pay MXN | Accrued liabilities |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Liabilities | 3,337 | 7,720
Fair Value, Liabilities | (29) | (126)
Not designated as hedging instruments | Receive USD/pay NZD | Accrued liabilities |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Liabilities | 2,237 | 1,826
Fair Value, Liabilities | (4) | (18)
Not designated as hedging instruments | Receive USD/pay TRY | Accrued liabilities |  |
Derivative Instruments and Hedging Activities |  |
Notional amount, Liabilities | 5,435 | 5,483
Fair Value, Liabilities | $ (83) | $ (52)

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