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CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) (USD $)
In Thousands, except Share data
Aug. 28, 2011
Nov. 30, 2010
Current assets    
Allowance for doubtful accounts $ 4,263 $ 3,848
Accumulated amortization $ 1,330 $ 1,293
Stockholders' equity    
Common stock, par value $ 2.50 $ 2.50
Common stock, shares authorized 24,000,000 24,000,000
Common stock, shares outstanding 9,069,126 9,249,105
Treasury stock, shares 2,989,016 2,769,637