SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Total accumulated other comprehensive income, net of tax, beginning balance	$ 6,302
(Decrease)/ Increase	2,357
Total accumulated other comprehensive income, net of tax, ending balance	6,956
Gain on cash flow ineffectiveness	200
Foreign currency translation adjustment
Total accumulated other comprehensive income, net of tax, beginning balance	5,374
(Decrease)/ Increase	1,194
Total accumulated other comprehensive income, net of tax, ending balance	6,568
Unrealized change in available-for-sale and non-marketable securities
Total accumulated other comprehensive income, net of tax, beginning balance	896
(Decrease)/ Increase	733
Total accumulated other comprehensive income, net of tax, ending balance	994
Unrealized change in cash flow hedges
Total accumulated other comprehensive income, net of tax, beginning balance	32
(Decrease)/ Increase	430
Total accumulated other comprehensive income, net of tax, ending balance	(606)
Reclassification Adjustments
Reclassification Adjustments	(1,703)
Reclassification Adjustments | Foreign currency translation adjustment
Reclassification Adjustments	0
Reclassification Adjustments | Unrealized change in available-for-sale and non-marketable securities
Reclassification Adjustments	(635)	[1]
Reclassification Adjustments | Unrealized change in cash flow hedges
Reclassification Adjustments	$ (1,068)	[2]

[1] Net gain recognized in Interest income and other, net.

[2] Net gain recognized in Revenue, except for a $0.2 million gain that was recognized in Interest income and other, net due to hedging ineffectiveness. See Note 4. “Financial Instruments–Derivative Financial Instruments” for further information.