Note I - Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Translation Adjustment [Member]
Balance	$ 6,740	$ 20,779	$ 16,949
Other comprehensive loss before reclassifications	(1,582)	(14,039)	3,830
Amounts reclassified from accumulated other comprehensive income
Net current period other comprehensive income	(1,582)	(14,039)	3,830
Balance	5,158	6,740	20,779
Benefit Plan Adjustment [Member]
Balance	(42,221)	(36,722)	(42,848)
Other comprehensive loss before reclassifications	(10,101)	(7,518)	3,950
Amounts reclassified from accumulated other comprehensive income	3,021	2,019	2,176
Net current period other comprehensive income	(7,080)	(5,499)	6,126
Balance	(49,301)	(42,221)	$ (36,722)
Balance	(35,481)
Balance	$ (44,143)	$ (35,481)