Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Nov. 30, 2013	Nov. 24, 2012
Accounts receivable allowance for doubtful accounts (in Dollars)	$ 1,607	$ 1,789
Common stock, par value (in Dollars per share)	$ 5	$ 5
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	10,859,318	10,836,840
Common stock, shares outstanding	10,859,318	10,836,840