Note 5 - Goodwill and Other Intangible Assets - Goodwill Balance (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2019	Dec. 01, 2018
Balance at beginning of year	$ 1,305,171	$ 1,336,684
Foreign currency translation effect	(8,516)	(31,362)
Balance at end of year	1,281,808	1,305,171
Ramapo [Member]
Acquisition	910	0
Balance at end of year	910
Dalton Holdings [Member]
Acquisition	(15,757)	0
Adecol [Member]
Balance at beginning of year	21,401
Acquisition	0	(1,881)
Balance at end of year		21,401
Royal Adhesives [Member]
Balance at beginning of year	867,743
Acquisition	$ 0	1,730
Balance at end of year		$ 867,743