Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Feb. 27, 2016	Nov. 28, 2015
Allowance for Doubtful Accounts	$ 12,015	$ 11,893
Preferred stock, shares authorized (in shares)	10,045,900	10,045,900
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	160,000,000	160,000,000
Common stock, shares outstanding (in shares)	49,989,167	50,074,310