SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2012

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]

Components of accumulated other comprehensive income, net of tax

At December 31, 2012 and 2011, the components of accumulated other comprehensive income, net of tax, are as follows (in thousands):

	Year Ended December 31,
	2012		2011
Foreign currency translation adjustment	$	5,374	$	821
Unrealized gains on available-for-sale and non-marketable securities		896		845
Unrealized gains on cash flow hedges		32		826
Accumulated other comprehensive income	$	6,302	$	2,492

Antidilutive securities excluded from diluted earnings per common share

Diluted earnings per share, if any, include certain potential dilutive securities from common stock subject to repurchase, outstanding stock options (on the treasury stock method), shares purchased under the employee stock purchase plan and convertible notes (on the as-if-converted basis). The potentially dilutive securities excluded from diluted earnings per common share on an actual outstanding basis, were as follows (in thousands):

	Year Ended December 31,
	2012		2011		2010
Employee stock options		6,101		6,276		6,636
Employee stock purchase plan		210		64		-
Restricted stock and restricted stock units		3,734		2,597		1,953
Convertible notes		9,899		3,169		3,169
Total		19,944		12,106		11,758