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Fair Value (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Aug. 30, 2014
Aug. 31, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash equivalents, fair value $ 2,263 $ 2,529
Corporate Bond Securities [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Taxable bond $ 27,023 $ 2,000
Interest rate on bonds 2.40%