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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Aug. 29, 2020
Aug. 31, 2019
Current assets:    
Receivables, less allowance for doubtful accounts $ 353 $ 160
Stockholders' equity:    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 10,000,000 10,000,000
Preferred stock, shares issued (in shares) 0 0
Capital stock common, par value (in dollars per share) $ 0.50 $ 0.50
Capital stock common, shares authorized (in shares) 60,000,000 60,000,000
Capital stock common, shares issued (in shares) 51,776,000 51,776,000
Treasury stock, at cost, shares (in shares) 18,133,000 20,262,000