Note J - Business Segments and Foreign Operations - Reconciliation of Reportable Segment Net Sales and Net Earnings to Consolidated Totals (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Net Sales	$ 242,913	$ 218,581
Net earnings attributable to Twin Disc	8,095	(29,719)
Operating Segments [Member]
Net Sales	324,219	291,731
Net earnings attributable to Twin Disc	25,692	11,121
Intersegment Eliminations [Member]
Net Sales	(81,305)	(73,150)
Corporate, Non-Segment [Member]
Net earnings attributable to Twin Disc	$ (17,598)	$ (40,840)