DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010
Derivative instruments, gain or (loss)
Foreign Exchange Contract, Amount of Gain or (Loss) Recognized in Income on Derivative, not designated as hedging instruments	$ 368	$ 1,409	$ (2,992)	$ (2,925)
Foreign Exchange Contracts
Derivative instruments, gain or (loss)
Foreign Exchange Contract, Amount of Gain or (Loss) Recognized in Income on Derivative, not designated as hedging instruments	368	1,409	(2,992)	(2,925)
Derivatives in Cash Flow Hedging Relationships
Derivative instruments, gain or (loss)
Amount of Gain or (Loss) Recognized in OCI on Derivative (Effective Portion)	1	(2)	7	4
Derivatives in Cash Flow Hedging Relationships | Foreign Exchange Contracts
Derivative instruments, gain or (loss)
Amount of Gain or (Loss) Recognized in OCI on Derivative (Effective Portion)	$ 1	$ (2)	$ 7	$ 4