DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Notional Amount and Fair Value (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Foreign currency exchange contracts | Maximum
Derivative Instruments and Hedging Activities
Term of derivative instrument	1 month
Derivatives not designated as hedging instruments | Receive USD/pay GBP | Accounts receivable, net.
Derivative Instruments and Hedging Activities
Notional amount, Assets	$ 18,146
Fair Value, Assets	168
Derivatives not designated as hedging instruments | Receive USD/pay ZAR | Accounts receivable, net.
Derivative Instruments and Hedging Activities
Notional amount, Assets	17,411
Fair Value, Assets	144
Derivatives not designated as hedging instruments | Receive USD/pay ZAR | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities		$ 14,760
Fair Value, Liabilities		(105)
Derivatives not designated as hedging instruments | Receive USD/pay RUB | Accounts receivable, net.
Derivative Instruments and Hedging Activities
Notional amount, Assets	2,173
Fair Value, Assets	9
Derivatives not designated as hedging instruments | Receive USD/pay BRL | Accounts receivable, net.
Derivative Instruments and Hedging Activities
Notional amount, Assets	2,478
Fair Value, Assets	49
Derivatives not designated as hedging instruments | Receive USD/pay COP | Accounts receivable, net.
Derivative Instruments and Hedging Activities
Notional amount, Assets	1,351
Fair Value, Assets	1
Derivatives not designated as hedging instruments | Receive USD/pay COP | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities		2,845
Fair Value, Liabilities		(2)
Derivatives not designated as hedging instruments | Receive CAD/pay USD | Accounts receivable, net.
Derivative Instruments and Hedging Activities
Notional amount, Assets		19,940
Fair Value, Assets		83
Derivatives not designated as hedging instruments | Receive EUR/pay USD | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	39,578	13,265
Fair Value, Liabilities	(429)	(75)
Derivatives not designated as hedging instruments | Receive USD/pay AUD | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	14,040	8,343
Fair Value, Liabilities	(82)	(48)
Derivatives not designated as hedging instruments | Receive USD/pay CAD | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	2,804
Fair Value, Liabilities	(15)
Derivatives not designated as hedging instruments | Receive USD/pay JPY | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	2,495	10,620
Fair Value, Liabilities	(2)	(84)
Derivatives not designated as hedging instruments | Receive USD/pay MXN | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	8,122	4,961
Fair Value, Liabilities	(15)	(11)
Derivatives not designated as hedging instruments | Receive SGD/Pay USD | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	3,837
Fair Value, Liabilities	(30)
Derivatives not designated as hedging instruments | Receive USD/Pay NZD | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	1,978
Fair Value, Liabilities	(3)
Derivatives not designated as hedging instruments | Receive USD/pay CLP | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	3,519	2,685
Fair Value, Liabilities	$ (12)	$ (10)