FINANCIAL INSTRUMENTS, Gain (Loss) by Hedging Relationship (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Effect of derivative instruments on statements of operations [Abstract]
Net gain reclassified from accumulated OCI into Interest income and other, net, net of tax (3)					$ 200
Derivatives in cash flow hedging relationships:
Effect of derivative instruments on statements of operations [Abstract]
Net (loss) gain recognized in OCI, net of tax (1)	(361)	[1]	248	[1]	725	[1]	(268)	[1]
Net gain reclassified from accumulated OCI into Revenue, net of tax (2)	254	[2]	697	[2]	1,081	[2]	1,215	[2]
Net gain reclassified from accumulated OCI into Interest income and other, net, net of tax (3)	0	[3]	0	[3]	158	[3]	0	[3]
Net gain recognized in Interest income and other, net, net of tax (4)	30	[4]	3	[4]	45	[4]	28	[4]
Derivatives not designated as hedging relationships:
Effect of derivative instruments on statements of operations [Abstract]
Net gain (loss) recognized in Interest income and other, net, net of tax (5)	$ 4	[5]	$ 22	[5]	$ 147	[5]	$ (126)	[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 and other, net