Note N - Income Taxes - Components of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Deferred tax assets:
Retirement plans and employee benefits	$ 13,755	$ 19,106
Foreign tax credit carryforwards	7,620	8,887
Federal tax credits	1,131	191
State net operating loss and other state credit carryforwards	1,213	768
Federal net operating loss	2,299
Inventory	1,992	1,775
Reserves	833	1,544
Foreign NOL carryforwards	3,606	3,176
Accruals	460	522
Other assets	665	678
Gross deferred tax assets	33,574	36,647
Deferred tax liabilities:
Property, plant and equipment	5,488	6,329
Intangibles	971	2,011
Other liabilities	125	140
Gross deferred tax liabilities	6,584	8,480
Valuation Allowance	(3,803)	(3,123)
Total net deferred tax assets	$ 23,187	$ 25,044