CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Net income	$ 29,637	$ 37,752
Other comprehensive income (loss), net of tax [Abstract]
Reclassification of unrealized gain on derivatives designated and qualified as cash flow hedges	(192)	(192)
Unrecognized net pension and other postretirement benefit gain	3,324	1,904
Reclassification of net pension and other postretirement benefit loss	806	2,215
Foreign currency translation adjustments	(52,949)	(16,476)
Total other comprehensive loss, net of tax	(49,011)	(12,549)
Total comprehensive (loss) income	(19,374)	25,203
Less: comprehensive (loss) income attributable to noncontrolling interests	(324)	1,099
Comprehensive (loss) income attributable to Kennametal Shareholders	(19,050)	24,104
Accumulated Other Comprehensive (Loss) Income [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	63	63
Reclassification out of Accumulated Other Comprehensive Loss [Member] | Accumulated Net (Loss) Gain from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive (Loss) Income [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	$ 63	$ 63