Note M - Pension and Other Postretirement Benefit Plans - Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized Over Next Fiscal Year (Details) (Parentheticals) |
12 Months Ended |
|---|---|
Jun. 30, 2026 | |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Immediate Recognition of Actuarial Gain (Loss), Statement of Income or Comprehensive Income, Extensible List, Not Disclosed [Flag] | false |