DERIVATIVE INSTRUMENTS (Cash Flow Hedges) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion)	$ 1,501,000	$ 1,670,000
Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(1,389,000)	(2,046,000)
Cash Flow Hedging [Member] | Foreign exchange contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss expected to be reclassified from accumulated OCI into income effective portion over the next year	23,000
Cash Flow Hedging [Member] | Foreign exchange contract [Member] | Cost and sales of operating expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion)	15,000	77,000
Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	0	(2,000)
Cash Flow Hedging [Member] | Interest rate contract [Member] | Interest expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion)	1,486,000	1,593,000
Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	$ (1,389,000)	$ (2,044,000)