DERIVATIVE FINANCIAL INSTRUMENTS GAIN (LOSS) BY HEDGING RELATIONSHIP (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Derivatives in cash flow hedging relationships:
Effect of derivative instruments on statements of operations [Abstract]
Net loss recognized in OCI	$ (582)	$ (1,327)	$ (1,197)	$ (1,806)
Net gain (loss) reclassified from accumulated OCI into Revenue	512	732	3,181	(26)
Net loss reclassified from accumulated OCI into Other income (expense), net	0	0	0	(17)
Net gain (loss) recognized in Other income (expense), net	44	(1)	107	0
Derivatives not designated as hedging relationships:
Effect of derivative instruments on statements of operations [Abstract]
Net gain recognized in Other income (expense), net	$ 0	$ 2	$ 0	$ 14