ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)

12 Months Ended

Dec. 31, 2017

The following table summarizes the changes in accumulated balances of other comprehensive income (loss), net of taxes:


	Year ended December 31, 2016									Year ended December 31, 2017
	Unrealized gains (losses) on available- for-sale marketable securities			Unrealized gains (losses) on cash flow hedges			Total			Unrealized gains (losses) on available-for- sale marketable securities			Unrealized gains (losses) on cash flow hedges			Total
Beginning balance	$	(427	)	$	8		$	(419	)	$	(502	)	$	5		$	(497	)
Other comprehensive income (loss) before reclassifications		(83	)		140			57			(83	)		163			80
Amounts reclassified from accumulated other comprehensive income (loss)		8			(143	)		(135	)		(1	)		(168	)		(169	)

Net current period other comprehensive income (loss)		(75	)		(3	)		(78	)		(84	)		(5	)		(89	)

Ending balance	$	(502	)	$	5		$	(497	)	$	(586	)	$	0		$	(586	)

The following table provides details about reclassifications out of accumulated other comprehensive income (loss):


Details about Accumulated Other Comprehensive Income (Loss) Components	Amount Reclassified from Accumulated Other Comprehensive Income (Loss)									Affected Line Item in the Statements of Operations

	Year ended December 31,
	2015			2016			2017
Unrealized gains on cash flow hedges	$	—		$	4		$	4		Cost of revenues
		91			132			162		Research and development
		5			12			10		Sales and marketing
		8			13			13		General and administrative

		104			161			189		Total, before income taxes
		11			18			21		Income tax expense

		93			143			168		Total, net of income taxes
Unrealized gains (losses) on available-for-sale marketable securities		(78	)		(9	)		—		Financial income, net
		(8	)		(1	)		(1	)	Income tax benefit

		(70	)		(8	)		1		Total, net of income taxes
	$	23		$	135		$	169		Total, net of income taxes