Note K - Business Segments and Foreign Operations - Segment Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Net sales	$ 295,127	$ 276,960
Intra-segment sales	22,635	22,037
Inter-segment sales	82,091	67,057
Interest income	64	33
Interest expense	1,443	2,253
Income taxes	4,121	3,788
Depreciation and amortization	9,981	9,359
Net income attributable to Twin Disc	10,988	10,380
Assets	312,058	289,181
Expenditures for segment assets	8,707	7,918
Manufacturing Segment [Member]
Intra-segment sales	6,974	9,258
Inter-segment sales	77,978	60,858
Distribution Segment [Member]
Intra-segment sales	15,661	12,779
Inter-segment sales	4,113	6,199
Operating Segments [Member]
Net sales	399,853	366,054
Interest income	679	1,135
Interest expense	1,998	3,301
Income taxes	3,409	4,307
Depreciation and amortization	8,947	8,867
Net income attributable to Twin Disc	31,837	29,803
Assets	516,182	450,881
Expenditures for segment assets	8,035	5,710
Operating Segments [Member] | Manufacturing Segment [Member]
Net sales	250,933	244,090
Interest income	335	879
Interest expense	1,987	3,297
Income taxes	890	2,722
Depreciation and amortization	8,606	8,572
Net income attributable to Twin Disc	24,587	22,964
Assets	443,149	381,668
Expenditures for segment assets	7,305	5,336
Operating Segments [Member] | Distribution Segment [Member]
Net sales	148,920	121,964
Interest income	344	256
Interest expense	11	3
Income taxes	2,519	1,585
Depreciation and amortization	341	295
Net income attributable to Twin Disc	7,250	6,839
Assets	73,033	69,213
Expenditures for segment assets	$ 730	$ 374