Note 11 - Deferred Income Taxes (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Deferred tax assets (current):
Inventories	$ 2,888	$ 2,597
Employee benefits (other than pension)	988	1,016
Book reserves	1,347	818
Other	308	687
Total current deferred tax assets	5,531	5,118
Valuation allowance	(1,013)	(564)
Current deferred tax asset	4,518	4,554
Deferred tax assets (long-term):
State NOL, various carryforward periods	975	801
Foreign NOL, various carryforward periods	1,738	1,908
Foreign tax credit carryforward, expiring 2017 – 2026	2,638	2,405
Pension benefits	19,573	13,224
Retiree medical benefits	2,790	2,499
Depreciation	286
Intangibles	1,243	1,713
Other	274	190
Total long-term deferred tax assets	29,517	22,740
Valuation allowance	(4,233)	(3,937)
Long-term deferred tax asset	25,284	18,803
Deferred tax liabilities (long-term):
Depreciation	(187)	(1,548)
Long-term deferred tax liabilities	(187)	(1,548)
Net deferred tax assets	$ 29,615	$ 21,809