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Concentration Risk (Narrative) (Details) - Sales Revenue, Goods, Net [Member] - Customer Concentration Risk [Member]
6 Months Ended
Feb. 27, 2016
Feb. 28, 2015
Major Customer One [Member]    
Concentration Risk [Line Items]    
Percent of revenue 21.20% 20.10%
Major Customer Two [Member]    
Concentration Risk [Line Items]    
Percent of revenue 16.40% 19.20%