Income Taxes - Components of Net Deferred Tax Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Deferred Tax Assets
Net Operating Loss Carryforwards	$ 24,111	$ 25,868
Inventory Valuation and Reserves	9,677	11,747
Accrued Employee Benefits	14,758	14,825
Other Accrued Liabilities	13,963	12,992
Tax Credit and Other Carryforwards	22,601	27,686
Total	126,735	116,603
Valuation Allowance	8,281	14,385
Total Deferred Tax Assets	118,454	102,218
Deferred Tax Liabilities
Tax Depreciation in Excess of Book	62,763	57,109
Deferred Tax Liabilities, Undistributed Foreign Earnings	4,831	7,242
Deferred Tax Liabilities, Pension Benefits	1,808	1,061
Deferred Tax Liabilities, Other	4,511	2,537
Total Deferred Tax Liabilities	84,997	79,801
Total Net Deferred Tax Liabilities	33,457	22,417
Deferred Tax Assets, Goodwill and Intangible Assets	5,209	4,246
Deferred Tax Asset, Tax Deferred Expense, Operating lease liabilities	11,229	11,995
Deferred Tax Liabilities, Operating lease right-of-use assets	$ 11,084	$ 11,852