Note 16 - 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
	Feb. 29, 2020	Mar. 02, 2019
Operating income	$ 28,753	$ 34,212
Other income, net	4,969	3,365
Interest expense	(22,757)	(26,807)
Interest income	2,918	3,053
Income before income taxes and income from equity method investments	$ 13,883	$ 13,823