Note M - Earnings Per Share - Components of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Dec. 30, 2022	Sep. 30, 2022	Dec. 31, 2021	Sep. 24, 2021	Dec. 30, 2022	Dec. 31, 2021
Net loss	$ 1,154	$ (1,931)	$ (3,750)	$ 1,980	$ (777)	$ (1,770)
Less: Net earnings attributable to noncontrolling interest	(15)		(86)		(112)	(144)
Less: Undistributed earnings attributable to unvested shares	0		0		0	0
Net income (loss) attributable to Twin Disc	$ 1,139		$ (3,836)		$ (889)	$ (1,914)
Weighted average shares outstanding - basic (in shares)	13,460		13,296		13,434	13,288
Basic income (loss) per share attributable to Twin Disc common shareholders (in dollars per share)	$ 0.08		$ (0.29)		$ (0.07)	$ (0.14)
Effect of dilutive stock awards (in shares)	239		0		0	0
Weighted average shares outstanding - diluted (in shares)	13,699		13,296		13,434	13,288
Diluted income (loss) per share attributable to Twin Disc common shareholders (in dollars per share)	$ 0.08		$ (0.29)		$ (0.07)	$ (0.14)