Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 30, 2018	Mar. 31, 2017	Mar. 30, 2018	Mar. 31, 2017
Net sales	$ 65,349	$ 45,084	$ 166,960	$ 114,591
Cost of goods sold	44,624	31,790	114,214	83,175
Gross profit	20,725	13,294	52,746	31,416
Marketing, engineering and administrative expenses	14,747	13,737	43,683	38,772
Restructuring expenses	452	293	2,501	1,367
Goodwill and other impairment charge		2,637		2,637
Income (loss) from operations	5,526	(3,373)	6,562	(11,360)
Interest expense	80	61	227	236
Other expense (income), net	(23)	(67)	244	(414)
Non-operating income (expense)	57	(6)	471	(178)
Income (loss) before income taxes and noncontrolling interest	5,469	(3,367)	6,091	(11,182)
Income tax expense (benefit)	1,133	(1,639)	2,401	(3,892)
Net income (loss)	4,336	(1,728)	3,690	(7,290)
Less: Net earnings attributable to noncontrolling interest, net of tax	(28)	(121)	(104)	(166)
Net income (loss) attributable to Twin Disc	$ 4,308	$ (1,849)	$ 3,586	$ (7,456)
Income (loss) per share data:
Basic income (loss) per share attributable to Twin Disc common shareholders (in dollars per share)	$ 0.37	$ (0.16)	$ 0.31	$ (0.66)
Diluted income (loss) per share attributable to Twin Disc common shareholders (in dollars per share)	$ 0.37	$ (0.16)	$ 0.31	$ (0.66)
Weighted average shares outstanding data:
Basic shares outstanding (in shares)	11,313	11,250	11,289	11,236
Diluted shares outstanding (in shares)	11,344	11,250	11,320	11,236
Comprehensive income (loss):
Net income (loss)	$ 4,336	$ (1,728)	$ 3,690	$ (7,290)
Benefit plan adjustments, net of income taxes of $212, $398, $1,164 and $1,196, respectively	474	682	2,682	2,104
Foreign currency translation adjustment	1,849	1,059	4,878	(2,456)
Comprehensive income (loss)	6,659	13	11,250	(7,642)
Less: Comprehensive income attributable to noncontrolling interest	(26)	(38)	(95)	(149)
Comprehensive income (loss) attributable to Twin Disc	$ 6,633	$ (25)	$ 11,155	$ (7,791)