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Accumulated Other Comprehensive Loss - Reclassifications (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Loss [Line Items] |  |
Currency exchange contracts | $ 2,322 | $ 1,657
Recognition of actuarial losses | (2,886) | (2,908)
Provision for income taxes | 9,064 | 7,906
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | 220 | 297
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax | 54 | 75
Reclassification of unrealized gain on derivatives designated and qualified as cash flow hedges | (166) | (222)
Unrecognized net pension and other postretirement benefit (loss) gain, before tax | 860 | (3,469)
Unrecognized net pension and other postretirement benefit (loss) gain, tax | 214 | (894)
Unrecognized net pension and other postretirement benefit plans gain (loss) | 646 | (2,575)
Reclassification of net pension and other postretirement benefit loss, tax | (533) | (722)
Reclassification of net pension and other postretirement benefit plans loss | 2,353 | 2,186
Foreign currency translation adjustments, before tax | (3,254) | 35,036
Foreign currency translation adjustments, tax | 0 | 0
Foreign currency translation adjustments | (3,254) | 35,036
Other comprehensive income (loss), before tax | 261 | 34,066
Other comprehensive income (loss), tax | (690) | 275
Other comprehensive income (loss), net of tax | (429) | 34,341
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax | (11) | (112)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax | (3) | (28)
Unrealized loss on derivatives designated and qualified as cash flow hedges | (8) | (84)
Reclassification out of Accumulated Other Comprehensive Loss | Derivatives attributable to noncontrolling interests |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Loss [Line Items] |  |
Total before tax | 220 | 297
Net of tax | (166) | (222)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax | 54 | 75
Reclassification out of Accumulated Other Comprehensive Loss | Pension and other postretirement benefits attributable to Kennametal |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Loss [Line Items] |  |
Amortization of transition obligations | 0 | 0
Amortization of prior service credit | (67) | (65)
Recognition of actuarial losses | 2,953 | 2,136
Total before tax | 2,886 | 2,908
Provision for income taxes | (533) | (722)
Net of tax | (2,353) | (2,186)
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax | 0 | 837
Reclassification out of Accumulated Other Comprehensive Loss | Forward starting interest rate swaps | Derivatives attributable to noncontrolling interests |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Loss [Line Items] |  |
Forward starting interest rate swaps | (255) | (255)
Reclassification out of Accumulated Other Comprehensive Loss | Currency exchange contracts | Derivatives attributable to noncontrolling interests |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Loss [Line Items] |  |
Currency exchange contracts | $ 35 | $ (42)

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