SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2015

Summary of Annual Rate of Depreciation on Property and Equipment

Depreciation is calculated using the straight-line method over the estimated useful lives of the assets at the following annual rates:


		%
Computers and peripheral equipment		33 - 50
Office furniture and equipment		10 - 20
Building		4
Leasehold improvements		The shorter of term of the lease or the useful life of the asset

Weighted Average Assumptions of Options Granted

The fair value of options granted and Employee Stock Purchase Plan in 2015, 2014 and 2013 is estimated at the date of grant using the following weighted average assumptions:


	Year ended December 31,
	2015			2014			2013
Employee Stock Options
Expected volatility		25.14	%		29.30	%		30.14	%
Risk-free interest rate		1.59	%		1.48	%		1.72	%
Dividend yield		0.0	%		0.0	%		0.0	%
Expected term (years)		5.59			5.51			6.00
Employee Stock Purchase Plan
Expected volatility		21.89	%		21.47	%		26.98	%
Risk-free interest rate		0.07	%		0.06	%		0.06	%
Dividend yield		0.0	%		0.0	%		0.0	%
Expected term (years)		0.5			0.5			0.5

Components of Accumulated Other Comprehensive Income (Loss)

The following table shows the components of accumulated other comprehensive income (loss), net of taxes, for the year ended December 31, 2015:


	Year ended December 31, 2015
	Unrealized gains (losses) on marketable securities			Unrealized gains (losses) on cash flow hedges			Total
Beginning balance	$	969		$	(2,039	)	$	(1,070	)

Other comprehensive loss before reclassifications		(5,209	)		716			(4,493	)
Amounts reclassified from accumulated other comprehensive income		*)(19)			**)1,332			1,313

Net current-period other comprehensive income (loss)		(5,228	)		2,048			(3,180	)

Ending balance	$	(4,259	)	$	9		$	(4,250	)

*)	The reclassification out of accumulated other comprehensive income during the year ended December 31, 2015 for realized gains on marketable securities are included within financial income, net.

**)	The reclassification out of accumulated other comprehensive income during the year ended December 31, 2015 for realized losses on cash flow hedges are included mostly within research and development expenses as well as other operating expenses.