DERIVATIVE FINANCIAL INSTRUMENTS Gain (Loss) by Hedging Relationship (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Derivatives in cash flow hedging relationships [Member]
Effect of derivative instruments on statements of operations [Abstract]
Net (loss) gain recognized in OCI, net of tax	$ (181)	[1]	$ (361)	[1]	$ (478)	[1]	$ 725	[1]
Net (loss) gain reclassified from accumulated OCI into Revenue, net of tax	(314)	[2]	254	[2]	(758)	[2]	1,081	[2]
Net (loss) gain reclassified from accumulated OCI into Interest income and other, net, net of tax	(7)	[3]	0	[3]	(17)	[3]	158	[3]
Net (loss) gain recognized in Interest income and other, net, net of tax	19	[4]	30	[4]	1	[4]	45	[4]
Derivatives not designated as hedging relationships [Member]
Effect of derivative instruments on statements of operations [Abstract]
Net gain recognized in Interest income and other, net, net of tax	$ 11	[5]	$ 4	[5]	$ 12	[5]	$ 147	[5]

[1] Net change in the fair value of the effective portion classified in OCI

[2] Effective portion classified as Revenue

[3] Ineffective portion classified as Interest income and other, net

[4] Amount excluded from effectiveness testing classified as Interest income and other, net

[5] Classified in Interest income and other, net