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Income Taxes - Components of Net Deferred Tax Liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Deferred Tax Assets |  |
Net Operating Loss Carryforwards | $ 20,340 | $ 24,111
Inventory Valuation and Reserves | 9,322 | 9,677
Accrued Employee Benefits | 13,627 | 14,758
Other Accrued Liabilities | 13,810 | 13,963
Research and Development Arrangement, Contract to Perform for Others, Costs Incurred, Gross | 35,637 | 25,187
Tax Credit and Other Carryforwards | 18,231 | 22,601
Total | 134,159 | 126,735
Valuation Allowance | 5,911 | 8,281
Total Deferred Tax Assets | 128,248 | 118,454
Deferred Tax Liabilities |  |
Tax Depreciation in Excess of Book | 58,723 | 62,763
Deferred Tax Liabilities, Undistributed Foreign Earnings | 6,931 | 4,831
Deferred Tax Liabilities, Pension Benefits | 2,633 | 1,808
Deferred Tax Liabilities, Other | 4,761 | 4,511
Total Deferred Tax Liabilities | 85,086 | 84,997
Total Net Deferred Tax Liabilities | 43,162 | 33,457
Deferred Tax Assets, Goodwill and Intangible Assets | 11,095 | 5,209
Deferred Tax Asset, Tax Deferred Expense, Operating lease liabilities | 12,097 | 11,229
Deferred Tax Liabilities, Operating lease right-of-use assets | $ 12,038 | $ 11,084

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