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Accumulated Other Comprehensive (Loss) Income Accumulated Other Comprehensive (Loss) Income - Income Tax Allocated to Each Component of Other Comprehensive Income (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2022
Accumulated Other Comprehensive (Loss) IncomeAccumulated Other Comprehensive (Loss) Income - Income Tax Allocated to Each Component of Other Comprehensive Income [Abstract] |  |  |
Reclassification of unrealized gain on expired derivatives designated and qualified as cash flow hedges | $ 725 | $ 770 | $ 770
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax | 235 | 250 | 250
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | 960 | 1,020 | 1,020
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax | (13,328) | (13,972) | (3,894)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax | 3,228 | 3,570 | (269)
Unrecognized net pension and other postretirement benefit plans (loss) gain | (10,100) | (10,402) | (4,163)
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, before Tax | 5,713 | 4,450 | 11,830
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax | (1,486) | (1,077) | (2,901)
Reclassification of net pension and other postretirement benefit plans loss | 4,227 | 3,373 | 8,929
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax | (14,215) | 6,959 | (91,012)
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax | 51 | (144) | (173)
Foreign currency translation adjustments | (14,164) | 6,815 | (91,185)
Other Comprehensive Income (Loss), before Tax | (22,824) | (3,583) | (84,096)
Other Comprehensive Income (Loss), Tax | 2,036 | 2,599 | (3,093)
Other comprehensive (loss) income, net of tax | (20,788) | (984) | (87,189)
Unrealized gain on derivatives designated and qualified as cash flow hedges | (26) | $ 0 | $ 0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax | (34) |  |
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax | 8 |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax | $ (26) |  |

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