FINANCIAL INSTRUMENTS, Gain (Loss) by Hedging Relationship (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Derivative designated as hedging instrument [Member]
Effect of Entity's Derivative Instruments, Net of Tax, on Condensed Statements of Operations [Abstract]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	$ (1,204)	$ 353	$ (1,472)	$ 303
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	140	0	837	0
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	40	(66)	68	(79)
Derivative not designated as hedging instrument [Member]
Effect of Entity's Derivative Instruments, Net of Tax, on Condensed Statements of Operations [Abstract]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ (353)	$ 625	$ (479)	$ (1,892)