ACCOUNTING POLICIES AND RELATED MATTERS (Details Textuals) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2011
Accounting Policies [Line Items]
Number of reportable segments	2
Number of operating segments	2
Minimum [Member] | Building [Member]
Accounting Policies [Line Items]
Estimated Minimum useful lives for assets (in years)	30 years
Minimum [Member] | Machinery and Equipment [Member]
Accounting Policies [Line Items]
Estimated Minimum useful lives for assets (in years)	3 years
Minimum [Member] | Information Technology Hardware and Software [Member]
Accounting Policies [Line Items]
Estimated Minimum useful lives for assets (in years)	3 years
Minimum [Member] | Furniture and Fixtures [Member]
Accounting Policies [Line Items]
Estimated Minimum useful lives for assets (in years)	8 years
Maximum [Member]
Accounting Policies [Line Items]
Amortization Period of Intangible Assets (in years)	20 years
Maximum [Member] | Building [Member]
Accounting Policies [Line Items]
Estimated Minimum useful lives for assets (in years)	50 years
Maximum [Member] | Machinery and Equipment [Member]
Accounting Policies [Line Items]
Estimated Minimum useful lives for assets (in years)	10 years
Maximum [Member] | Information Technology Hardware and Software [Member]
Accounting Policies [Line Items]
Estimated Minimum useful lives for assets (in years)	10 years
Maximum [Member] | Furniture and Fixtures [Member]
Accounting Policies [Line Items]
Estimated Minimum useful lives for assets (in years)	10 years
Selling, General and Administrative Expenses [Member]
Accounting Policies [Line Items]
Net transaction gain (loss) on Settlement of foreign denominated receivable (Payables)	$ (5,076)	$ (3,839)	$ 2,087