Note J - Business Segments and Foreign Operations - Segment Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Net Sales	$ 276,960	$ 242,913
Intra-segment sales	22,037	17,205
Inter-segment sales	67,057	64,100
Interest income	33	28
Interest expense	2,253	2,128
Income taxes	3,788	1,823
Depreciation and amortization	9,359	9,547
Net income attributable to Twin Disc	10,380	10,467
Assets	289,181	276,523
Expenditures for segment assets	7,918	4,729
Manufacturing Segment [Member]
Intra-segment sales	9,258	4,218
Inter-segment sales	60,858	60,220
Distribution Segment [Member]
Intra-segment sales	12,779	12,987
Inter-segment sales	6,199	3,880
Operating Segments [Member]
Net Sales	366,054	324,219
Interest income	1,135	692
Interest expense	3,300	2,735
Income taxes	4,307	1,972
Depreciation and amortization	8,867	9,205
Net income attributable to Twin Disc	29,803	28,064
Assets	450,881	415,132
Expenditures for segment assets	5,710	7,726
Operating Segments [Member] | Manufacturing Segment [Member]
Net Sales	244,090	217,488
Interest income	879	423
Interest expense	3,297	2,734
Income taxes	2,722	795
Depreciation and amortization	8,572	8,912
Net income attributable to Twin Disc	22,964	24,826
Assets	381,668	364,174
Expenditures for segment assets	5,336	8,112
Operating Segments [Member] | Distribution Segment [Member]
Net Sales	121,964	106,731
Interest income	256	269
Interest expense	3	1
Income taxes	1,585	1,177
Depreciation and amortization	295	293
Net income attributable to Twin Disc	6,839	3,238
Assets	69,213	50,958
Expenditures for segment assets	$ 374	$ 386