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		9 Months Ended
	Aug. 31, 2019	Sep. 01, 2018	Aug. 31, 2019	Sep. 01, 2018
Segment operating income	$ 66,706	$ 67,291	$ 173,298	$ 173,394
Other income, net	22,762	2,469	29,113	15,120
Interest expense	(25,607)	(27,858)	(79,354)	(83,420)
Interest income	3,115	2,934	9,191	8,769
Income before income taxes and income from equity method investments	$ 66,976	$ 44,836	$ 132,248	$ 113,863