Note 2 - Acquisitions - Pro Forma Business Information (Details) - Royal Adhesives [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 02, 2017	Dec. 03, 2016
Net revenue	$ 2,886,762	$ 2,716,713
Net income attributable to H.B. Fuller	$ 123,618	$ 127,802
Basic (in dollars per share)	$ 2.45	$ 2.55
Diluted (in dollars per share)	$ 2.39	$ 2.49