Note D - Other Comprehensive Loss - Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Balance	$ 71,131	$ 77,405	$ 71,375	$ 76,084
Balance	72,488	76,120	72,488	76,120
ASU 2018-02 Adjustment
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balance	(888)	(565)	(888)	(491)
OCI/OCL before reclassifications
Amounts reclassified from OCI
Tax effect of OCI activity
Net current period OCI/OCL				(74)
Balance	(888)	(565)	(888)	(565)
ASU 2018-02 Adjustment				(74)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Balance	(1,415)	1,116	(295)	783
OCI/OCL before reclassifications	(1,850)	(369)	(3,913)	932
Amounts reclassified from OCI	737	(808)	1,341	(1,612)
Tax effect of OCI activity	259	274	598	164
Net current period OCI/OCL	(854)	(903)	(1,974)	(570)
Balance	(2,269)	213	(2,269)	213
ASU 2018-02 Adjustment				(54)
AOCI Attributable to Parent [Member]
Balance	(2,303)	551	(1,183)	292
OCI/OCL before reclassifications	(1,850)	(369)	(3,913)	932
Amounts reclassified from OCI	737	(808)	1,341	(1,612)
Tax effect of OCI activity	259	274	598	164
Net current period OCI/OCL	(854)	(903)	(1,974)	(644)
Balance	$ (3,157)	(352)	$ (3,157)	(352)
ASU 2018-02 Adjustment				$ (128)

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

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