Consolidated Balance Sheets Parenthetical (USD $) In Thousands, except Per Share data, unless otherwise specified	Nov. 30, 2012	Dec. 02, 2011
Current Assets:
Allowance for doubtful accounts receivable, current	$ 12,643	$ 15,080
Stockholders' Equity:
Preferred stock, par or stated value per share	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	2,000	2,000
Preferred stock, shares issued	0	0
Common stock, par or stated value per share	$ 0.0001	$ 0.0001
Common stock, shares authorized	900,000	900,000
Common stock, shares issued	600,834	600,834
Common stock, shares outstanding	494,132	491,540
Treasury stock, shares	106,702	109,294