Document And Entity Information - shares	6 Months Ended
	Jun. 02, 2018	Jun. 22, 2018
Document Information [Line Items]
Entity Registrant Name	FULLER H B CO
Entity Central Index Key	0000039368
Trading Symbol	ful
Current Fiscal Year End Date	--12-01
Entity Filer Category	Large Accelerated Filer
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	Yes
Entity Common Stock, Shares Outstanding (in shares)		50,612,407
Document Type	10-Q
Document Period End Date	Jun. 02, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Amendment Flag	false