v3.26.1
Note J - Business Segments and Foreign Operations - Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Jun. 30, 2026
Mar. 27, 2026
Dec. 26, 2025
Sep. 26, 2025
Jun. 30, 2025
Mar. 28, 2025
Dec. 27, 2024
Sep. 27, 2024
Jun. 30, 2026
Jun. 30, 2025
Net Sales                 $ 381,270 $ 340,738
Intra-segment sales                 0 0
Inter-segment sales                 0 0
Total consolidated net sales                 381,270 340,738
Cost of goods sold                 278,710 246,815
Intra-segment cost of goods sold                 0 0
Inter-segment cost of goods sold                 0 0
Total consolidated cost of goods sold $ 84,273 $ 69,563 $ 67,813 $ 57,062 $ 65,463 $ 59,536 $ 68,241 $ 53,575 278,710 246,815
Gross profit 30,127 27,131 22,367 22,934 31,215 21,706 21,680 19,322 102,560 93,923
Marketing, engineering and administrative expenses                 84,455 82,431
Restructuring expense                 366 408
Other operating income                 (221) 0
Operating income (loss) 7,815 5,822 2,087 2,235 6,542 1,947 2,760 (165) 17,960 11,084
Interest income                 33 67
Interest expense                 (3,078) (2,646)
Other income (expense)                 (1,319) (5,539)
Total consolidated other income (expense)                 4,364 8,118
Pretax earnings (loss) 6,932 5,395 698 571 2,740 (280) 2,651 (2,145) 13,596 2,966
Income tax benefit (expense) 2,477 (1,839) 14,318 (983) 47 1,142 1,552 627 (13,974) 3,368
Net income (loss) 9,409 3,556 15,016 (412) 2,693 (1,422) 1,099 (2,772) 27,570 (402)
Minority interest                 493 295
Net income (loss) attributable to Twin Disc, Incorporated 9,360 3,325 14,909 (518) 2,621 (1,472) 919 (2,765) 27,077 (697)
Total consolidated assets 401,245       387,696       401,245 387,696
Depreciation and amortization                 13,746 14,899
Expenditures for segment assets                 13,713 15,157
Income tax benefit (expense) (2,477) $ 1,839 $ (14,318) $ 983 (47) $ (1,142) $ (1,552) $ (627) 13,974 (3,368)
Minority interest                 (493) (295)
Operating Segments [Member] | Manufacturing Segment [Member]                    
Net Sales                 340,456 295,550
Intra-segment sales                 (8,559) (7,213)
Inter-segment sales                 (47,736) (52,691)
Total consolidated net sales                 284,161 235,646
Cost of goods sold                 262,298 228,610
Intra-segment cost of goods sold                 (8,559) (7,213)
Inter-segment cost of goods sold                 (47,736) (52,691)
Total consolidated cost of goods sold                 206,003 168,706
Gross profit                 78,158 66,940
Marketing, engineering and administrative expenses                 43,729 41,388
Restructuring expense                 366 252
Other operating income                 152  
Operating income (loss)                 33,911 25,300
Interest income                 1,567 1,045
Interest expense                 (6,958) (5,900)
Other income (expense)                 (13,214) (14,725)
Total consolidated other income (expense)                 18,605 19,580
Pretax earnings (loss)                 15,306 5,720
Income tax benefit (expense)                 14,085 1,476
Net income (loss)                 1,221 4,244
Minority interest                 0 (0)
Net income (loss) attributable to Twin Disc, Incorporated                 1,221 4,244
Total consolidated assets 521,842       519,247       521,842 519,247
Depreciation and amortization                 11,925 13,281
Expenditures for segment assets                 10,452 11,590
Income tax benefit (expense)                 (14,085) (1,476)
Minority interest                 0 0
Operating Segments [Member] | Distribution Segment [Member]                    
Net Sales                 115,720 130,956
Intra-segment sales                 (13,941) (21,043)
Inter-segment sales                 (4,670) (4,821)
Total consolidated net sales                 97,109 105,092
Cost of goods sold                 91,736 104,165
Intra-segment cost of goods sold                 (13,941) (21,043)
Inter-segment cost of goods sold                 (4,670) (4,821)
Total consolidated cost of goods sold                 73,125 78,301
Gross profit                 23,984 26,791
Marketing, engineering and administrative expenses                 15,373 14,796
Restructuring expense                 0 93
Other operating income                 0  
Operating income (loss)                 8,611 11,902
Interest income                 542 550
Interest expense                 (9) (7)
Other income (expense)                 (6,713) (6,537)
Total consolidated other income (expense)                 6,180 5,994
Pretax earnings (loss)                 2,431 5,908
Income tax benefit (expense)                 2,132 2,151
Net income (loss)                 299 3,757
Minority interest                 493 295
Net income (loss) attributable to Twin Disc, Incorporated                 (194) 3,462
Total consolidated assets 78,369       66,087       78,369 66,087
Depreciation and amortization                 396 353
Expenditures for segment assets                 1,003 1,902
Income tax benefit (expense)                 (2,132) (2,151)
Minority interest                 (493) (295)
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]                    
Net Sales                 0 0
Intra-segment sales                 0 0
Inter-segment sales                 0 0
Total consolidated net sales                 0 0
Cost of goods sold                 0 0
Intra-segment cost of goods sold                 0 0
Inter-segment cost of goods sold                 0 0
Total consolidated cost of goods sold                 0 0
Gross profit                 0 0
Marketing, engineering and administrative expenses                 25,353 26,247
Restructuring expense                 0 63
Other operating income                 (373)  
Operating income (loss)                 (24,980) (26,310)
Interest income                 1,880 1,801
Interest expense                 (67) (68)
Other income (expense)                 18,711 15,818
Total consolidated other income (expense)                 (20,524) (17,551)
Pretax earnings (loss)                 (4,456) (8,759)
Income tax benefit (expense)                 (30,229) (228)
Net income (loss)                 25,773 (8,531)
Minority interest                 0 (0)
Net income (loss) attributable to Twin Disc, Incorporated                 25,773 (8,531)
Total consolidated assets (142,599)       (186,291)       (142,599) (186,291)
Depreciation and amortization                 1,425 1,265
Expenditures for segment assets                 2,258 1,665
Income tax benefit (expense)                 30,229 228
Minority interest                 0 0
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member]                    
Net Sales                 (74,906) (85,768)
Intra-segment sales                 22,500 28,256
Inter-segment sales                 52,406 57,512
Total consolidated net sales                 0 0
Cost of goods sold                 (75,324) (85,960)
Intra-segment cost of goods sold                 22,500 28,256
Inter-segment cost of goods sold                 52,406 57,512
Total consolidated cost of goods sold                 (418) (192)
Gross profit                 (418) (192)
Marketing, engineering and administrative expenses                 0 0
Restructuring expense                 0 0
Other operating income                 0  
Operating income (loss)                 (418) (192)
Interest income                 (3,956) (3,329)
Interest expense                 3,956 3,329
Other income (expense)                 (103) (95)
Total consolidated other income (expense)                 103 95
Pretax earnings (loss)                 (521) (287)
Income tax benefit (expense)                 38 (31)
Net income (loss)                 (559) (256)
Minority interest                 0 (0)
Net income (loss) attributable to Twin Disc, Incorporated                 (559) (256)
Total consolidated assets $ (56,367)       $ (11,347)       (56,367) (11,347)
Depreciation and amortization                 0 0
Expenditures for segment assets                 0 0
Income tax benefit (expense)                 (38) 31
Minority interest                 $ 0 $ 0