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Fair Value (Details) - USD ($)
$ in Thousands
Aug. 29, 2015
Aug. 30, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash equivalents, fair value $ 0 $ 2,263
Fair Value on non-financial assets or liabilities on non-recurring basis 0 $ 0
Corporate Bond Securities [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Taxable bond $ 27,023  
Interest rate on bonds 2.40%