Note J - Shareholders' Equity - Shareholders' Equity Reconciliation (Details) (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019
Net loss on cash flow hedge derivatives, income taxes	$ 341	$ 156
Tax effect on benefit plan adjustments	$ 13,316	$ 12,707

Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.

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