DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details 2) (Not Designated as Hedging Instrument [Member], Foreign Exchange Contract [Member], Selling, General and Administrative Expenses [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Oct. 31, 2013	Oct. 31, 2012
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Selling, General and Administrative Expenses [Member]
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Derivative, Gain (Loss) on Derivative, Net	$ 450	$ (2,438)