Note D - Other Comprehensive Loss - Other Comprehensive Loss (Details) - USD ($)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated other comprehensive loss	$ (502,000)	$ (482,000)
Other comprehensive loss before reclassifications	(176,000)	31,000
Amounts reclassified from OCI	(49,000)	(10,000)
Tax effect of OCI activity	84,000	(41,000)
Other comprehensive loss	(141,000)	(20,000)
Accumulated other comprehensive loss	(643,000)	(502,000)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated other comprehensive loss	33,000	52,000
Other comprehensive loss before reclassifications	2,228,000	(488,000)
Amounts reclassified from OCI	(2,461,000)	454,000
Tax effect of OCI activity	77,000	15,000
Other comprehensive loss	(156,000)	(19,000)
Accumulated other comprehensive loss	(123,000)	33,000
Accumulated other comprehensive loss	(469,000)	(430,000)
Other comprehensive loss before reclassifications	2,052,000	(457,000)
Amounts reclassified from OCI	(2,510,000)	444,000
Tax effect of OCI activity	161,000	(26,000)
Other comprehensive loss	(297,000)	(39,000)
Accumulated other comprehensive loss	$ (766,000)	$ (469,000)