Note O - Income Taxes - Components of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019
Retirement plans and employee benefits	$ 7,934	$ 7,732
Foreign tax credit carryforwards	7,429	6,296
Federal tax credits	1,585	1,057
State net operating loss and other state credit carryforwards	1,696	1,269
Federal net operating loss	1,607
Inventory	205	757
Reserves	1,056	765
Foreign NOL carryforwards	555	775
Accruals	823	339
Right of use assets - operating leases	3,920	3,691
Disallowed interest	418
Disallowed PPP expenses	1,320
Other assets	832	656
Gross deferred tax assets	29,380	23,337
Property, plant and equipment	3,231	3,432
Intangibles	3,306	5,345
Long term operating lease obligations	3,855	3,617
Other liabilities	44	194
Gross deferred tax liabilities	10,436	12,588
Valuation allowance
Total net deferred tax assets	$ 18,944	$ 10,749