CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Income Statement [Abstract]
Sales	$ 477,140	$ 555,354
Cost of goods sold	333,610	404,130
Gross profit	143,530	151,224
Operating expense	119,865	129,243
Restructuring charges (Note 7)	28,605	9,120
Amortization of intangibles	4,271	6,247
Operating (loss) income	(9,211)	6,614
Interest expense	6,993	6,979
Other expense, net	118	1,087
Loss before income taxes	(16,322)	(1,452)
Provision for income taxes	4,879	4,252
Net loss	(21,201)	(5,704)
Less: Net income attributable to noncontrolling interests	455	522
Net loss attributable to Kennametal	$ (21,656)	$ (6,226)
PER SHARE DATA ATTRIBUTABLE TO KENNAMETAL SHAREHOLDERS
Basic loss per share	$ (0.27)	$ (0.08)
Diluted loss per share	(0.27)	(0.08)
Dividends per share	$ 0.20	$ 0.20
Basic weighted average shares outstanding	80,054	79,728
Diluted weighted average shares outstanding	80,054	79,728