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DISCONTINUED OPERATIONS (Details Textual) (Product Line [Member], USD $)
1 Months Ended 3 Months Ended 9 Months Ended
Aug. 31, 2012
employee
Apr. 30, 2013
Apr. 30, 2013
Apr. 28, 2012
Product Line [Member]
       
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Expected proceeds from divestiture of component       $ 550,000,000
Number of employees to be transferred 1,400      
Proceeds From divestiture of component 535,000,000      
Gain (loss) on the sale of product line   $ (545,000) $ 396,793,000