DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Notional Amount and Fair Value (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Foreign currency exchange contracts | Maximum
Derivative Instruments and Hedging Activities
Term of derivative instrument	1 month
Not designated as hedging instruments | Receive USD/pay GBP | Accounts receivable, net
Derivative Instruments and Hedging Activities
Notional amount, Assets	$ 31,067
Fair Value, Assets	74
Not designated as hedging instruments | Receive USD/pay GBP | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities		$ 7,718
Fair Value, Liabilities		(57)
Not designated as hedging instruments | Receive USD/pay ZAR | Accounts receivable, net
Derivative Instruments and Hedging Activities
Notional amount, Assets	20,121
Fair Value, Assets	27
Not designated as hedging instruments | Receive USD/pay ZAR | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities		20,405
Fair Value, Liabilities		(296)
Not designated as hedging instruments | Receive USD/pay MXN | Accounts receivable, net
Derivative Instruments and Hedging Activities
Notional amount, Assets	12,673
Fair Value, Assets	52
Not designated as hedging instruments | Receive USD/pay MXN | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities		25,864
Fair Value, Liabilities		(4)
Not designated as hedging instruments | Receive USD/pay NZD | Accounts receivable, net
Derivative Instruments and Hedging Activities
Notional amount, Assets	1,665
Fair Value, Assets	5
Not designated as hedging instruments | Receive USD/pay NZD | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities		2,076
Fair Value, Liabilities		(5)
Not designated as hedging instruments | Receive USD/ pay SEK | Accounts receivable, net
Derivative Instruments and Hedging Activities
Notional amount, Assets	1,405
Fair Value, Assets	4
Not designated as hedging instruments | Receive USD/pay CLP | Accounts receivable, net
Derivative Instruments and Hedging Activities
Notional amount, Assets	4,316	4,094
Fair Value, Assets	12	9
Not designated as hedging instruments | Receive USD/pay EUR | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	112,406	29,621
Fair Value, Liabilities	(434)	(325)
Not designated as hedging instruments | Receive USD/pay AUD | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	21,644	15,135
Fair Value, Liabilities	(1)	(74)
Not designated as hedging instruments | Receive CAD/pay USD | Accounts receivable, net
Derivative Instruments and Hedging Activities
Notional amount, Assets		22,314
Fair Value, Assets		173
Not designated as hedging instruments | Receive CAD/pay USD | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	11,269
Fair Value, Liabilities	(38)
Not designated as hedging instruments | Receive SGD/pay USD | Accounts receivable, net
Derivative Instruments and Hedging Activities
Notional amount, Assets		7,915
Fair Value, Assets		24
Not designated as hedging instruments | Receive SGD/pay USD | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	3,770
Fair Value, Liabilities	(8)
Not designated as hedging instruments | Receive USD/pay TRY | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	5,394
Fair Value, Liabilities	(7)
Not designated as hedging instruments | Receive USD/pay BRL | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	3,722	3,138
Fair Value, Liabilities	(19)	(3)
Not designated as hedging instruments | Receive USD/pay COP | Accounts receivable, net
Derivative Instruments and Hedging Activities
Notional amount, Assets		2,330
Fair Value, Assets		2
Not designated as hedging instruments | Receive USD/pay COP | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	2,327
Fair Value, Liabilities	$ (6)
Not designated as hedging instruments | Receive NOK/pay USD | Accounts receivable, net
Derivative Instruments and Hedging Activities
Notional amount, Assets		2,138
Fair Value, Assets		$ 28