Note D - Other Comprehensive Loss - Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Beginning Balance			$ 68,248
Ending Balance	$ 75,130		75,130
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Beginning Balance	(387)	$ (491)	(387)	$ (491)
OCI/OCL before reclassifications
Amounts reclassified from OCI
Tax effect of OCI activity
Net current period OCI/OCL
Ending Balance	(387)	(491)	(387)	(491)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Beginning Balance	192	(1,548)	(191)	(414)
OCI/OCL before reclassifications	1,784	(490)	2,729	(2,443)
Amounts reclassified from OCI	(674)	187	(1,120)	365
Tax effect of OCI activity	(258)	106	(374)	747
Net current period OCI/OCL	852	(197)	1,235	(1,331)
Ending Balance	1,044	(1,745)	1,044	(1,745)
AOCI Attributable to Parent [Member]
Beginning Balance	(195)	(2,039)	(578)	(905)
OCI/OCL before reclassifications	1,784	(490)	2,729	(2,443)
Amounts reclassified from OCI	(674)	187	(1,120)	365
Tax effect of OCI activity	(258)	106	(374)	747
Net current period OCI/OCL	852	(197)	1,235	(1,331)
Ending Balance	$ 657	$ (2,236)	$ 657	$ (2,236)

Amount before tax and reclassification adjustments of other comprehensive income (loss) attributable to parent.

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