Consolidated Statements of Stockholders' Equity (Parentheticals) - $ / shares	12 Months Ended
	Nov. 28, 2015	Nov. 29, 2014	Nov. 30, 2013
Retained Earnings [Member]
Regular dividends per share (in dollars per share)	$ 0.34	$ 0.28	$ 0.22
Special dividend per share (in dollars per share)	0.20	0.20	0.20
Regular dividends per share (in dollars per share)	0.34	0.28	0.22
Special dividend per share (in dollars per share)	$ 0.20	$ 0.20	$ 0.20