CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME [Abstract]
Net sales	$ 263,909	$ 285,282	$ 355,870
Cost of goods sold	186,655	205,257	234,238
Gross profit	77,254	80,025	121,632
Marketing, engineering and administrative expenses	67,406	67,899	73,091
Restructuring of operations	961	708	0
Impairment charge	0	1,405	3,670
Earnings from operations	8,887	10,013	44,871
Other income (expense):
Interest income	121	102	95
Interest expense	(936)	(1,435)	(1,475)
Other, net	24	557	1,265
Other income (expense) total	(791)	(776)	(115)
Earnings before income taxes and noncontrolling interest	8,096	9,237	44,756
Income taxes	4,226	4,986	17,815
Net earnings	3,870	4,251	26,941
Less: Net earnings attributable to noncontrolling interest	(226)	(369)	(198)
Net earnings attributable to Twin Disc	3,644	3,882	26,743
Earnings per share data:
Basic earnings per share attributable to Twin Disc common shareholders (in dollars per share)	$ 0.32	$ 0.34	$ 2.34
Diluted earnings per share attributable to Twin Disc common shareholders (in dollars per share)	$ 0.32	$ 0.34	$ 2.31
Weighted average shares outstanding data:
Basic shares outstanding (in shares)	11,258	11,304	11,410
Dilutive stock awards (in shares)	6	73	146
Diluted shares outstanding (in shares)	11,264	11,377	11,556
Comprehensive income:
Net earnings	3,870	4,251	26,941
Foreign currency translation adjustment	3,760	447	(11,738)
Benefit plan adjustments, net of income taxes of $3,806, $4,163 and ($6,769), respectively	6,126	8,322	(11,690)
Comprehensive income	13,756	13,020	3,513
Comprehensive income attributable to noncontrolling interest	(156)	(240)	(184)
Comprehensive income attributable to Twin Disc	$ 13,600	$ 12,780	$ 3,329