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Business And Geographic Segment Information (Narrative) (Details)
12 Months Ended
Aug. 03, 2014
Jul. 28, 2013
Jul. 29, 2012
Segment Reporting Information [Line Items]      
Number of operating segments 10    
Segment Reporting, Disclosure of Major Customers 19.00%    
Sales Revenue, Net [Member] | Wal-Mart Stores, Inc. [Member]
     
Segment Reporting Information [Line Items]      
Segment Reporting, Disclosure of Major Customers 19.00% 19.00% 19.00%