Consolidated Statements of Shareholders' Equity (Parentheticals) - $ / shares	3 Months Ended								12 Months Ended
	Dec. 03, 2016	Aug. 27, 2016	May 28, 2016	Feb. 27, 2016	Nov. 28, 2015	Aug. 29, 2015	May 30, 2015	Feb. 28, 2015	Dec. 03, 2016	Nov. 28, 2015	Nov. 29, 2014
Statement of Stockholders' Equity [Abstract]
Cash dividends paid per common share (in dollars per share)	$ 0.25	$ 0.22	$ 0.22	$ 0.22	$ 0.22	$ 0.2	$ 0.20	$ 0.20	$ 0.91	$ 0.82	$ 0.7100