Note D - Other Comprehensive Loss - Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Balance	$ 72,488	$ 76,120	$ 71,375	$ 76,084
Balance	76,024	70,749	76,024	70,749
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	(2,269)	213	(295)	783
OCI/OCL before reclassifications	1,639	990	(2,274)	1,922
Amounts reclassified from OCI	868	(554)	2,209	(2,166)
Tax effect of OCI activity	(582)	(101)	16	63
Net current period OCI/OCL	1,925	335	(49)	(235)
Balance	(344)	548	(344)	548
ASU 2018-02 Adjustment				(54)
AOCI Attributable to Parent [Member]
Balance	(3,157)	(352)	(1,183)	292
OCI/OCL before reclassifications	1,639	990	(2,274)	1,922
Amounts reclassified from OCI	868	(554)	2,209	(2,166)
Tax effect of OCI activity	(582)	(101)	16	63
Net current period OCI/OCL	1,925	335	(49)	(309)
Balance	$ (1,232)	(17)	$ (1,232)	(17)
ASU 2018-02 Adjustment				$ (128)

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

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