Note 1 - Nature of Business and Summary of Significant Accounting Policies - Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 03, 2022	Nov. 27, 2021	Nov. 28, 2020
Net income attributable to H.B. Fuller	$ 180,313	$ 161,393	$ 123,719
Weighted-average common shares – basic (in shares)	53,580	52,887	52,039
Equivalent shares from share-based compensation plans (in shares)	1,689	1,428	481
Weighted-average common and common equivalent shares – diluted (in shares)	55,269	54,315	52,520
Basic earnings per share (in dollars per share)	$ 3.37	$ 3.05	$ 2.38
Diluted earnings per share (in dollars per share)	$ 3.26	$ 2.97	$ 2.36