Note M - Earnings Per Share - Components of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Mar. 29, 2024	Dec. 29, 2023	Sep. 29, 2023	Mar. 31, 2023	Dec. 30, 2022	Sep. 30, 2022	Mar. 29, 2024	Mar. 31, 2023
Net income	$ 3,900	$ 935	$ (1,083)	$ 3,357	$ 1,761	$ (1,324)	$ 3,752	$ 3,793
Less: Net earnings attributable to noncontrolling interest	(78)			(76)			(173)	(188)
Less: Undistributed earnings attributable to unvested shares	0			0			0	0
Net income attributable to Twin Disc	$ 3,822			$ 3,281			$ 3,579	$ 3,605
Weighted average shares outstanding - basic (in shares)	13,742			13,504			13,663	13,455
Basic income per share attributable to Twin Disc common shareholders (in dollars per share)	$ 0.28			$ 0.24			$ 0.26	$ 0.27
Effect of dilutive stock awards (in shares)	162			158			189	153
Weighted average shares outstanding - diluted (in shares)	13,904			13,662			13,852	13,608
Diluted income per share attributable to Twin Disc common shareholders (in dollars per share)	$ 0.27			$ 0.24			$ 0.26	$ 0.26