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Note 2 - Acquisition (Details) - Prospective Amortization of the Favorable Lease Assets and Unfavorable Lease Liabilities (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Aug. 27, 2014
2015 [Member]
  
Note 2 - Acquisition (Details) - Prospective Amortization of the Favorable Lease Assets and Unfavorable Lease Liabilities [Line Items]  
Favorable $ 121
2016 [Member]
  
Note 2 - Acquisition (Details) - Prospective Amortization of the Favorable Lease Assets and Unfavorable Lease Liabilities [Line Items]  
Favorable 121
2017 [Member]
  
Note 2 - Acquisition (Details) - Prospective Amortization of the Favorable Lease Assets and Unfavorable Lease Liabilities [Line Items]  
Favorable 121
2018 [Member]
  
Note 2 - Acquisition (Details) - Prospective Amortization of the Favorable Lease Assets and Unfavorable Lease Liabilities [Line Items]  
Favorable 121
2019 [Member]
  
Note 2 - Acquisition (Details) - Prospective Amortization of the Favorable Lease Assets and Unfavorable Lease Liabilities [Line Items]  
Favorable $ 121