CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME [Abstract]
Net sales	$ 265,790	$ 263,909	$ 285,282
Cost of goods sold	182,758	186,655	205,257
Gross profit	83,032	77,254	80,025
Marketing, engineering and administrative expenses	64,264	67,406	67,899
Restructuring of operations	3,282	961	708
Impairment charge	0	0	1,405
Earnings from operations	15,486	8,887	10,013
Other income (expense):
Interest income	124	121	102
Interest expense	(606)	(936)	(1,435)
Other, net	896	24	557
Other income (expense) total	414	(791)	(776)
Earnings before income taxes and noncontrolling interest	15,900	8,096	9,237
Income taxes	4,515	4,226	4,986
Net earnings	11,385	3,870	4,251
Less: Net earnings attributable to noncontrolling interest	(212)	(226)	(369)
Net earnings attributable to Twin Disc	$ 11,173	$ 3,644	$ 3,882
Earnings per share data:
Basic earnings per share attributable to Twin Disc common shareholders (in dollars per share)	$ 0.99	$ 0.32	$ 0.34
Diluted earnings per share attributable to Twin Disc common shareholders (in dollars per share)	$ 0.99	$ 0.32	$ 0.34
Weighted average shares outstanding data:
Basic shares outstanding (in shares)	11,273	11,258	11,304
Dilutive stock awards (in shares)	4	6	73
Diluted shares outstanding (in shares)	11,277	11,264	11,377
Comprehensive (loss) income:
Net earnings	$ 11,385	$ 3,870	$ 4,251
Foreign currency translation adjustment	(14,119)	3,760	447
Benefit plan adjustments, net of income taxes of $(2,974), $3,806 and $4,163, respectively	(5,499)	6,126	8,322
Comprehensive (loss) income	(8,233)	13,756	13,020
Comprehensive income attributable to noncontrolling interest	(132)	(156)	(240)
Comprehensive (loss) income attributable to Twin Disc	$ (8,365)	$ 13,600	$ 12,780