| Comprehensive Income (Loss) [Table Text Block] |
| | | Three Months Ended May 30, 2026 | | | Three Months Ended May 31, 2025 | |
| | | | | | | | | | | | | | | Non- | | | | | | | | | | | | | | | Non- | |
| | | | | | | | | | | | | | | controlling | | | | | | | | | | | | | | | controlling | |
| | | H.B. Fuller Stockholders | | | Interest | | | H.B. Fuller Stockholders | | | Interest | |
| | | Pre-tax | | | Tax | | | Net | | | Net | | | Pre-tax | | | Tax | | | Net | | | Net | |
| Net income attributable to H.B. Fuller and non-controlling interest | | | | | | | | | | $ | 67,805 | | | $ | - | | | | | | | | | | | $ | 41,828 | | | $ | 17 | |
| Foreign currency translation¹ | | $ | (15,913 | ) | | $ | - | | | | (15,913 | ) | | | - | | | $ | 123,602 | | | $ | - | | | | 123,602 | | | | 48 | |
| Defined benefit pension plans adjustment² | | | (22 | ) | | | 8 | | | | (14 | ) | | | - | | | | 194 | | | | (53 | ) | | | 141 | | | | - | |
| Interest rate swaps³ | | | 9,107 | | | | (2,216 | ) | | | 6,891 | | | | - | | | | (3,206 | ) | | | 780 | | | | (2,426 | ) | | | - | |
| Net investment hedges³ | | | 7,880 | | | | (1,917 | ) | | | 5,963 | | | | - | | | | (60,068 | ) | | | 14,619 | | | | (45,449 | ) | | | - | |
| Other comprehensive income (loss) | | $ | 1,052 | | | $ | (4,125 | ) | | $ | (3,073 | ) | | $ | - | | | $ | 60,522 | | | $ | 15,346 | | | $ | 75,868 | | | $ | 48 | |
| Comprehensive income (loss) | | | | | | | | | | $ | 64,732 | | | $ | - | | | | | | | | | | | $ | 117,696 | | | $ | 65 | |
| | | Six Months Ended May 30, 2026 | | | Six Months Ended May 31, 2025 | |
| | | | | | | | | | | | | | | Non- | | | | | | | | | | | | | | | Non- | |
| | | | | | | | | | | | | | | controlling | | | | | | | | | | | | | | | controlling | |
| | | H.B. Fuller Stockholders | | | Interest | | | H.B. Fuller Stockholders | | | Interest | |
| | | Pretax | | | Tax | | | Net | | | Net | | | Pretax | | | Tax | | | Net | | | Net | |
| Net income attributable to H.B. Fuller and non-controlling interest | | | | | | | | | | $ | 88,850 | | | $ | - | | | | | | | | | | | $ | 55,076 | | | $ | 33 | |
| Foreign currency translation¹ | | $ | 36,268 | | | $ | - | | | | 36,268 | | | | 24 | | | $ | 102,599 | | | $ | - | | | | 102,599 | | | | 65 | |
| Defined benefit pension plans adjustment² | | | (12 | ) | | | 16 | | | | 4 | | | | - | | | | 373 | | | | (102 | ) | | | 271 | | | | - | |
| Interest rate swaps³ | | | 9,168 | | | | (2,231 | ) | | | 6,937 | | | | - | | | | (4,722 | ) | | | 1,149 | | | | (3,573 | ) | | | - | |
| Net investment hedges³ | | | (4,946 | ) | | | 1,204 | | | | (3,742 | ) | | | - | | | | (50,824 | ) | | | 12,369 | | | | (38,455 | ) | | | - | |
| Other comprehensive income (loss) | | $ | 40,478 | | | $ | (1,011 | ) | | $ | 39,467 | | | $ | 24 | | | $ | 47,426 | | | $ | 13,416 | | | $ | 60,842 | | | $ | 65 | |
| Comprehensive income | | | | | | | | | | $ | 128,317 | | | $ | 24 | | | | | | | | | | | $ | 115,918 | | | $ | 98 | |
|
| Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
| | | May 30, 2026 | |
| | | | | | | | | | | Non- | |
| | | | | | | H.B. Fuller | | | controlling | |
| | | Total | | | Stockholders | | | Interest | |
| Foreign currency translation adjustment | | $ | (152,887 | ) | | $ | (153,796 | ) | | $ | 909 | |
| Defined benefit pension plans adjustment, net of taxes of $47,268 | | | (67,160 | ) | | | (67,160 | ) | | | - | |
| Interest rate swaps, net of taxes of $2,228 | | | (6,929 | ) | | | (6,929 | ) | | | - | |
| Net investment hedges, net of taxes of $28,733 | | | (89,352 | ) | | | (89,352 | ) | | | - | |
| Reclassification of AOCI tax effects | | | (18,341 | ) | | | (18,341 | ) | | | - | |
| Accumulated other comprehensive (loss) income | | $ | (334,669 | ) | | $ | (335,578 | ) | | $ | 909 | |
| | | November 29, 2025 | |
| | | | | | | | | | | Non- | |
| | | | | | | H.B. Fuller | | | controlling | |
| | | Total | | | Stockholders | | | Interest | |
| Foreign currency translation adjustment | | $ | (189,131 | ) | | $ | (190,064 | ) | | $ | 933 | |
| Defined benefit pension plans adjustment, net of taxes of $47,252 | | | (67,164 | ) | | | (67,164 | ) | | | - | |
| Interest rate swaps, net of taxes of $4,459 | | | (13,866 | ) | | | (13,866 | ) | | | - | |
| Net investment hedges, net of taxes of $27,529 | | | (85,610 | ) | | | (85,610 | ) | | | - | |
| Reclassification of AOCI tax effects | | | (18,341 | ) | | | (18,341 | ) | | | - | |
| Accumulated other comprehensive (loss) income | | $ | (374,112 | ) | | $ | (375,045 | ) | | $ | 933 | |
|