DERIVATIVES AND HEDGING ACTIVITIES (Tables)

6 Months Ended

Jun. 30, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of fair value of derivative contracts

The fair value of derivative contracts in the unaudited condensed consolidated balance sheets at June 30, 2019 and December 31, 2018 were as follows:

		Other current assets		Accrued liabilities		Other current assets		Accrued liabilities
		June 30, 2019				December 31, 2018
		(in thousands)
Derivatives designated as hedging instruments
	Currency forward and option contracts	$	706	$	22	$	27	$	2,122
Derivatives not designated as hedging instruments
	Currency forward and option contracts	$	—	$	—	$	69	$	414
Total derivatives		$	706	$	22	$	96	$	2,536

Schedule of notional amounts of outstanding derivative positions

The notional amounts of outstanding derivative contracts in U.S. dollars at June 30, 2019 and December 31, 2018 were as follows:

	June 30, 2019		December 31, 2018
	(in thousands)
Derivatives designated as hedging instruments
Currency forward and option contracts	$	56,197	$	92,956
Derivatives not designated as hedging instruments
Currency forward and option contracts	$	—	$	57,844

Schedule of designated derivative contracts as cash flow hedges and their impact on OCI

The following table represents the unrealized gains (losses) of derivatives designated as hedging instruments, net of tax effects, that were recorded in accumulated other comprehensive income as of June 30, 2019 and December 31, 2018 and their effect on OCI for the six months ended June 30, 2019:

	(in thousands)
December 31, 2018	$	(1,978	)
Amount of gain recognized in OCI (effective portion)	3,197
Amount of gain reclassified from OCI to income (effective portion)	(417		)
June 30, 2019	$	802

Effect of derivative contracts on the condensed consolidated statement of operations

The effect of derivative contracts on the unaudited condensed consolidated statements of operations for the three months ended June 30, 2019 and 2018 was as follows:

	Derivatives designated as hedging instruments					Derivatives not designated as hedging instruments
	Three Months Ended June 30,					Three Months Ended June 30,
	2019		2018			2019		2018
	(in thousands)
Operating income (expenses)	$	455	$	(1,419	)	$	—	$	—
Interest and other, net	$	—	$	—		$	693	$	(1,814	)

The effect of derivative contracts on the unaudited condensed consolidated statements of operations for the six months ended June 30, 2019 and 2018 was as follows:

	Derivatives designated as hedging instruments					Derivatives not designated as hedging instruments
	Six Months Ended June 30,					Six Months Ended June 30,
	2019		2018			2019		2018
	(in thousands)
Operating income (expenses)	$	417	$	(884	)	$	—	$	—
Interest and other, net	$	—	$	—		$	2,256	$	(2,704	)