CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Sales	$ 2,046,899	$ 2,078,184	$ 2,012,456
Cost of goods sold	1,419,806	1,431,745	1,364,479
Gross profit	627,093	646,439	647,977
Operating expense	433,161	437,292	419,093
Restructuring and other charges, net (Note 16)	12,152	4,106	(1,243)
Gain on divestiture (Note 4)	0	0	(1,001)
Amortization of intangibles	11,557	12,624	12,988
Operating income	170,223	192,417	218,140
Interest expense	26,472	28,496	25,914
Other expense (income), net	(699)	4,300	(14,507)
Income before income taxes	144,450	159,621	206,733
Provision for income taxes (Note 13)	30,809	36,255	56,532
Net income	113,641	123,366	150,201
Less: Net income attributable to noncontrolling interests	4,318	4,907	5,578
Net income attributable to Kennametal	$ 109,323	$ 118,459	$ 144,623
PER SHARE DATA ATTRIBUTABLE TO KENNAMETAL SHAREHOLDERS
Basic earnings per share	$ 1.38	$ 1.47	$ 1.74
Diluted earnings per share	$ 1.37	$ 1.46	$ 1.72
Basic weighted average shares outstanding	79,390	80,803	83,252
Diluted weighted average shares outstanding	79,965	81,402	83,944