ACCOUNTING POLICIES AND RELATED MATTERS (Details Textuals) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2012 Y segment	Jul. 31, 2011	Jul. 31, 2010
Property, Plant and Equipment [Line Items]
Number of reportable segments	2
Number of operating segments	2
Net transaction gain (loss) on Settlement of foreign denominated receivable (Payables)	$ (3,839)	$ 2,087	$ (816)
Minimum percentage for equity method of accounting	20.00%
Amortization Period of Intangible Assets (in years)	20
Building [Member]
Property, Plant and Equipment [Line Items]
Estimated Minimum useful lives for assets (in years)	30
Estimated Maximum useful lives for assets (in years)	50
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Minimum useful lives for assets (in years)	3
Estimated Maximum useful lives for assets (in years)	10
Information Technology Hardware and Software [Member]
Property, Plant and Equipment [Line Items]
Estimated Minimum useful lives for assets (in years)	3
Estimated Maximum useful lives for assets (in years)	10
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Estimated Minimum useful lives for assets (in years)	8
Estimated Maximum useful lives for assets (in years)	10