CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
CONSOLIDATED STATEMENTS OF OPERATIONS and COMPREHENSIVE INCOME (LOSS)
Net sales	$ 355,870	$ 310,393	$ 227,534
Cost of goods sold	234,238	202,710	167,069
Gross profit	121,632	107,683	60,465
Marketing, engineering and administrative expenses	73,091	72,967	57,380
Impairment charge	3,670	0	0
Earnings from operations	44,871	34,716	3,085
Other income (expense):
Interest income	95	98	84
Interest expense	(1,475)	(1,719)	(2,282)
Other, net	1,265	(1,066)	835
Other income (expense) total	(115)	(2,687)	(1,363)
Earnings before income taxes and noncontrolling interest	44,756	32,029	1,722
Income taxes	18,446	13,064	992
Net earnings	26,310	18,965	730
Less: Net earnings attributable to noncontrolling interest	(198)	(135)	(133)
Net earnings attributable to Twin Disc	26,112	18,830	597
Earnings per share data:
Basic earnings per share attributable to Twin Disc common shareholders	$ 2.29	$ 1.66	$ 0.05
Diluted earnings per share attributable to Twin Disc common shareholders	$ 2.26	$ 1.64	$ 0.05
Weighted average shares outstanding data:
Basic shares outstanding	11,410	11,319	11,063
Dilutive stock awards	146	144	96
Diluted shares outstanding	11,556	11,463	11,159
Comprehensive income (loss):
Net earnings	26,310	18,965	730
Foreign currency translation adjustment	(11,738)	19,272	(9,650)
Benefit plan adjustments, net	(11,690)	11,506	(6,414)
Comprehensive income (loss)	2,882	49,743	(15,334)
Comprehensive income attributable to noncontrolling interest	(198)	(135)	(133)
Comprehensive income (loss) attributable to Twin Disc	$ 2,684	$ 49,608	$ (15,467)