Note 17 - 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
	Mar. 04, 2017	Feb. 27, 2016
Segment operating income	$ 26,081	$ 37,838
Special charges, net		(413)
Other income (expense), net	621	(5,082)
Interest expense	(8,380)	(6,308)
Income before income taxes and income from equity method investments	$ 18,322	$ 26,035