Note I - Reconciliation for the Reclassifications Out of Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Benefit Plan Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Actuarial losses	$ (4,355)	$ (3,074)	$ (3,496)
Transition asset and prior service benefit	(92)	(36)	(31)
Total before tax benefit	(4,447)	(3,110)	(3,527)
Income taxes	1,426	1,091	1,351
Net (loss) earnings	(3,021)	(2,019)	(2,176)
Income taxes	(12,282)	4,515	4,226
Net (loss) earnings	$ (13,013)	$ 11,385	$ 3,870