Consolidated Balance Sheets Parenthetical (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 03, 2011	Nov. 27, 2010
Statement of Financial Position [Abstract]
Allowance for losses	$ 9,795	$ 11,428
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	120,000,000	120,000,000
Common stock, shares issued	50,144,928	50,334,776