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