Note 7 - Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Details) (Parentheticals) $ in Thousands	Feb. 27, 2021 USD ($)
Tax on interest swap	$ 6,796
Tax on cash flow hedge	(105)
Tax on defined benefit pension plans adjustment	$ 80,176

Tax effects of the increase (decrease) to accumulated comprehensive income during the period related to benefit plans.

No definition available.

Name:	ful_AccumulatedOtherComprehensiveIncomeLossTaxOnDefinedBenefitPensionAndOtherPostretirementPlans
Namespace Prefix:	ful_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant