CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Sales	$ 2,078,184	$ 2,012,456	$ 1,841,441
Cost of goods sold	1,431,745	1,364,479	1,288,963
Gross profit	646,439	647,977	552,478
Operating expense	437,292	419,093	407,246
Restructuring and other charges, net (Note 16)	4,106	(1,243)	29,061
Gain on divestiture (Note 4)	0	(1,001)	0
Amortization of intangibles	12,624	12,988	14,003
Operating income	192,417	218,140	102,168
Interest expense	28,496	25,914	46,375
Other expense (income), net	4,300	(14,507)	(8,867)
Income before income taxes	159,621	206,733	64,660
Provision for income taxes (Note 13)	36,255	56,532	6,243
Net income	123,366	150,201	58,417
Less: Net income attributable to noncontrolling interests	4,907	5,578	3,983
Net income attributable to Kennametal	$ 118,459	$ 144,623	$ 54,434
PER SHARE DATA ATTRIBUTABLE TO KENNAMETAL SHAREHOLDERS
Basic earnings per share	$ 1.47	$ 1.74	$ 0.65
Diluted earnings per share	$ 1.46	$ 1.72	$ 0.65
Basic weighted average shares outstanding	80,803	83,252	83,602
Diluted weighted average shares outstanding	81,402	83,944	84,333