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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Notional Amount and Fair Value (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
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	$ 16,283	$ 18,146
Fair Value, Assets	46	168
Derivatives not designated as hedging instruments | Receive EUR/pay USD | Accounts receivable, net.
Derivative Instruments and Hedging Activities
Notional amount, Assets	30,682
Fair Value, Assets	31
Derivatives not designated as hedging instruments | Receive EUR/pay USD | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities		39,578
Fair Value, Liabilities		(429)
Derivatives not designated as hedging instruments | Receive USD/pay AUD | Accounts receivable, net.
Derivative Instruments and Hedging Activities
Notional amount, Assets	17,978
Fair Value, Assets	63
Derivatives not designated as hedging instruments | Receive USD/pay AUD | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities		14,040
Fair Value, Liabilities		(82)
Derivatives not designated as hedging instruments | Receive USD/pay ZAR | Accounts receivable, net.
Derivative Instruments and Hedging Activities
Notional amount, Assets	19,861	17,411
Fair Value, Assets	65	144
Derivatives not designated as hedging instruments | Receive USD/pay BRL | Accounts receivable, net.
Derivative Instruments and Hedging Activities
Notional amount, Assets	3,046	2,478
Fair Value, Assets	26	49
Derivatives not designated as hedging instruments | Receive CAD/pay USD | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	20,609
Fair Value, Liabilities	(14)
Derivatives not designated as hedging instruments | Receive USD/pay MXN | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	27,360	8,122
Fair Value, Liabilities	(65)	(15)
Derivatives not designated as hedging instruments | Receive USD/Pay NZD | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	3,119	1,978
Fair Value, Liabilities	(11)	(3)
Derivatives not designated as hedging instruments | Receive USD/pay SEK | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	1,856
Fair Value, Liabilities	(1)
Derivatives not designated as hedging instruments | Receive USD/pay CLP | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	3,046	3,519
Fair Value, Liabilities	(10)	(12)
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	3,435
Fair Value, Liabilities	(21)
Derivatives not designated as hedging instruments | Receive SGD/Pay USD | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities	2,571	3,837
Fair Value, Liabilities	$ (4)	(30)
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 JPY | Accrued liabilities
Derivative Instruments and Hedging Activities
Notional amount, Liabilities		2,495
Fair Value, Liabilities		(2)
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)

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- Definition

Nominal or face amount used to calculate payments on the derivative asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6519104

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Nominal or face amount used to calculate payments on the derivative liability.

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