Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $)	May 06, 2015	Aug. 27, 2014
Common stock, par value (in Dollars per share)	$ 0.32	$ 0.32
Common stock, shares authorized	100,000,000us-gaap_CommonStockSharesAuthorized	100,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	29,097,902us-gaap_CommonStockSharesIssued	28,949,523us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	28,597,902us-gaap_CommonStockSharesOutstanding	28,449,523us-gaap_CommonStockSharesOutstanding
Treasury stock, shares	500,000us-gaap_TreasuryStockShares	500,000us-gaap_TreasuryStockShares

Face amount or stated value per share of common stock.

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