FINANCIAL INSTRUMENTS, Gain (Loss) by Hedging Relationship (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 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 recognized in OCI, net of tax (1)	(1,363)	[1]	(1,204)	[1]	(638)	[1]	(1,472)	[1]
Net (loss) gain reclassified from accumulated OCI into Revenue, net of tax (2)	(13)	[2]	140	[2]	1,068	[2]	1,355	[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)	18	[4]	40	[4]	63	[4]	68	[4]
Derivatives not designated as hedging relationships:
Effect of derivative instruments on statements of operations [Abstract]
Net loss recognized in Interest income and other, net, net of tax (5)	$ (185)	[5]	$ (353)	[5]	$ (37)	[5]	$ (479)	[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