Note 11 - Income Taxes (Details) - Deferred Income Taxes (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
Deferred Income Taxes [Abstract]
Inventories	$ 2,954	$ 4,892
Employee benefits (other than pension)	827	1,336
Book reserves	1,435	1,757
Other	313	298
Total current deferred tax assets	5,529	8,283
Valuation allowance	(551)	(663)
Current deferred tax asset	4,978	7,620
Federal NOL, carried forward	6,715	5,706
State NOL, various carryforward periods	1,178	874
Foreign NOL, various carryforward periods	1,574	1,283
Foreign tax credit carryforward, expiring 2014 - 2023	4,398	1,028
Pension benefits	10,889	13,599
Retiree medical benefits	4,144	5,563
Intangibles	2,643	3,285
Other	721	401
Total long-term deferred tax assets	32,262	31,739
Valuation allowance	(3,988)	(1,897)
Long-term deferred tax asset	28,274	29,842
Long-term liabilities	(2,182)	(2,530)
	26,092	27,312
Depreciation	(2,182)	(2,530)
Long-term deferred tax liabilities	(2,182)	(2,530)
Net deferred tax assets	$ 31,070	$ 34,932