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Note 11 - Earnings Per Share (Details)
3 Months Ended
Nov. 19, 2014
Note 11 - Earnings Per Share (Details) [Line Items]  
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 200us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Employee Stock Option [Member]  
Note 11 - Earnings Per Share (Details) [Line Items]  
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 431,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_EmployeeStockOptionMember