Note 15 - Operating Segments - Reconciliation of Segment Operating Income to Income From Continuing Operations Before Income Taxes and Income From Equity Method Investments (Details) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 03, 2016	Aug. 27, 2016	May 29, 2016	Feb. 27, 2016	Dec. 02, 2017	Dec. 03, 2016	Nov. 28, 2015
Segment operating income					$ 126,140	$ 202,165	$ 170,485
Special charges, net	$ 1,856	$ (2,807)	$ 370	$ 413		168	(4,654)
Other income (expense), net					(23,740)	(7,549)	(2,465)
Interest expense					(43,701)	(27,359)	(25,021)
Income from continuing operations before income taxes and income from equity method investments					$ 58,699	$ 167,425	$ 138,345