Note N - Income Taxes - Components of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Retirement plans and employee benefits	$ 6,910	$ 13,755
Foreign tax credit carryforwards	6,866	7,620
Federal tax credits	774	1,131
State net operating loss and other state credit carryforwards	1,190	1,213
Federal net operating loss		2,299
Inventory	1,259	1,992
Reserves	1,099	833
Foreign NOL carryforwards	2,940	3,606
Accruals	324	460
Other assets	403	665
Gross deferred tax assets	21,765	33,574
Property, plant and equipment	3,473	5,488
Intangibles	1,209	971
Other liabilities	230	125
Gross deferred tax liabilities	4,912	6,584
Valuation Allowance		(3,803)
Total net deferred tax assets	$ 16,853	$ 23,187