DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details Textuals)	3 Months Ended	6 Months Ended
	Jan. 31, 2013 USD ($)	Jan. 31, 2013 USD ($)	Jan. 31, 2013 JPY (¥)
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Notional amount of foreign currency forward contracts entered during the period	$ 616,719,000	$ 1,223,486,000
Notional amount of foreign currency forward contracts outstanding	331,353,000	331,353,000
Notional amount of foreign currency cash flow hedge derivatives	36,238,000	36,238,000
Notional amount of derivative instruments designated as net investment hedges			¥ 9,000,000,000