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Note 17 - Earnings Per Share (Details)
12 Months Ended
Aug. 27, 2014
Aug. 28, 2013
Aug. 29, 2012
Note 17 - Earnings Per Share (Details) [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 180,000 0 0
Employee Stock Option [Member]
     
Note 17 - Earnings Per Share (Details) [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 143,000 67,000 373,020