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Concentration Risk (Narrative) (Details) - Sales Revenue, Goods, Net [Member] - Customer Concentration Risk [Member]
3 Months Ended
Nov. 28, 2015
Nov. 29, 2014
Major Customer One [Member]    
Concentration Risk [Line Items]    
Percent of revenue 20.90% 18.00%
Major Customer Two [Member]    
Concentration Risk [Line Items]    
Percent of revenue 14.20% 19.00%