Note 8 - Accumulated Other Comprehensive Income (Loss) - Comprehensive Income (Loss) Information (Details) - USD ($) $ in Thousands		3 Months Ended		8 Months Ended	9 Months Ended
		Aug. 30, 2025	Aug. 31, 2024	Aug. 01, 2024	Aug. 30, 2025	Aug. 31, 2024
Net income attributable to H.B. Fuller and non-controlling interest		$ 67,160	$ 55,361	$ 137,615	$ 122,236	$ 137,615
Net income attributable to H.B. Fuller and non-controlling interest, non-controlling interest		73	(22)	$ 32	106	32
Foreign currency translation¹, pretax	[1]	36,993	33,324		139,592	(12,922)
Foreign currency translation¹	[1]	36,993	33,324		139,592	(12,922)
Foreign currency translation adjustment¹, non-controlling interest	[1]	(31)	31		34	(10)
Defined benefit pension plans adjustment², pretax	[2]	218	1,689		591	5,065
Defined benefit pension plans adjustment², tax	[2]	(60)	(419)		(162)	(1,257)
Defined benefit pension plans adjustment²	[2]	158	1,270		429	3,808
Other comprehensive income (loss), pretax		12,965	(9,947)		60,391	(37,412)
Other comprehensive income (loss), tax		5,841	10,566		19,257	5,967
Other comprehensive income (loss)		18,806	619		79,648	(31,445)
Other comprehensive income (loss), noncontrolling interest		(31)	31		34	(10)
Comprehensive income		85,966	55,980		201,884	106,170
Less: Comprehensive income attributable to non-controlling interest		42	9		140	22
Interest Rate Swap [Member]
Cash flow hedge³, pretax	[3]	(4,424)	(34,068)		(9,146)	(23,851)
Cash flow hedge³, tax	[3]	1,077	8,324		2,226	5,838
Derivatives, net of tax	[3]	(3,347)	(25,744)		(6,920)	(18,013)
Net Investment Hedge [Member]
Cash flow hedge³, pretax	[3]	(19,822)	(10,892)		(70,646)	(5,704)
Cash flow hedge³, tax	[3]	4,824	2,661		17,193	1,386
Derivatives, net of tax	[3]	$ (14,998)	$ (8,231)		$ (53,453)	$ (4,318)

[1] Income taxes are not provided for foreign currency translation relating to indefinite investments in international subsidiaries.

[2] Amounts reclassified from accumulated other comprehensive loss into earnings as part of net periodic cost related to pension and other postretirement benefit plans is reported in cost of sales and other income, net.

[3] Amounts reclassified from accumulated other comprehensive loss into earnings is reported in other income, net.