FINANCIAL INSTRUMENTS AND RISKS & UNCERTAINTIES (Details 1) (Designated as Hedging Instrument [Member], Foreign Exchange Forward [Member], Cash Flow Hedging [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2013		Jul. 31, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Reclassified from Accumulated OCI into Earnings (Effective Portion) (a)	$ (3,255)	[1]	$ 0	[1]
Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Reclassified from Accumulated OCI into Earnings (Effective Portion) (a)	(1,444)	[1]	0	[1]
Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Reclassified from Accumulated OCI into Earnings (Effective Portion) (a)	(1,811)	[1]	0	[1]
Other Comprehensive Income (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in OCI on Derivatives (Effective Portion)	$ (2,572)		$ 270

[1] There were no gains or losses recognized in earnings related to the ineffective portion of the hedging relationship or related to the amount excluded from the assessment of hedge effectiveness for the twelve months ended July 31, 2013 and July 31, 2012.