TREASURY STOCK (Detail Textuals) (August 2014 Accelerated Share Repurchase [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended
	Jan. 31, 2015
August 2014 Accelerated Share Repurchase [Member]
Accelerated Share Repurchases [Line Items]
Treasury Stock, Value, Acquired, Cost Method	$ 300,000
Treasury Stock, Shares, Acquired	3,461
Accelerated Share Repurchases, Final Price Paid Per Share	$ 86.67