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	12 Months Ended
	Dec. 01, 2018	Dec. 02, 2017	Dec. 03, 2016
Segment operating income	$ 254,762	$ 128,040	$ 198,184
Special charges, net			168
Other income (expense), net	1,184	(27,667)	(9,594)
Interest expense	(110,994)	(43,701)	(27,359)
Interest income	11,774	3,927	2,045
Income before income taxes and income from equity method investments	$ 156,726	$ 60,599	$ 163,444