CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
Sales	$ 2,012,456	$ 1,841,441	$ 1,885,305
Cost of goods sold	1,364,479	1,288,963	1,355,834
Gross profit	647,977	552,478	529,471
Operating expense	419,093	407,246	388,436
Restructuring (benefits) charges and asset impairment charges (Note 16)	(1,243)	29,061	68,228
Goodwill and other Intangible Asset Impairment			30,227
Gain (Loss) on divestiture	(1,001)		(6,517)
Amortization of intangibles	12,988	14,003	13,811
Operating income	218,140	102,168	22,252
Interest expense	25,914	46,375	35,154
Other income, net	(14,507)	(8,867)	(14,862)
Income before income taxes	206,733	64,660	1,960
Provision for income taxes (Note 13)	56,532	6,243	7,007
Net income (loss)	150,201	58,417	(5,047)
Less: Net income attributable to noncontrolling interests	5,578	3,983	614
Net income attributable to Kennametal	$ 144,623	$ 54,434	$ (5,661)
PER SHARE DATA ATTRIBUTABLE TO KENNAMETAL SHAREHOLDERS
Basic earnings per share	$ 1.74	$ 0.65	$ (0.07)
Diluted earnings per share	1.72	$ 0.65	$ (0.07)
Dividends per share	$ 0.80
Basic weighted average shares outstanding	83,252	83,602	83,047
Diluted weighted average shares outstanding	83,944	84,333	83,047