Consolidated Statements of Stockholders' Equity (Parentheticals) - $ / shares	12 Months Ended
	Nov. 26, 2016	Nov. 28, 2015	Nov. 29, 2014
Retained Earnings [Member]
Regular dividends, per share (in dollars per share)	$ 0.38	$ 0.34	$ 0.28
Special dividends, per share (in dollars per share)	0.30	0.20	0.20
Regular dividends, per share (in dollars per share)	0.38	0.34	0.28
Special dividends, per share (in dollars per share)	$ 0.30	$ 0.20	$ 0.20