v3.26.1
Note I - Shareholders' Equity - Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Balance $ 196,525 $ 185,991
Balance 219,936 196,525
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]    
Balance 15,036 (849)
Other comprehensive income (loss) before reclassifications (5,995) 15,885
Return on plan assets   0
Amounts reclassified from accumulated other comprehensive income (loss)   0
Net current period other comprehensive income (loss) (5,995) 15,885
Balance 9,041 15,036
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member]    
Balance (11,461) (8,062)
Other comprehensive income (loss) before reclassifications 0 0
Return on plan assets   (1,808)
Amounts reclassified from accumulated other comprehensive income (loss) 2,708 (1,591)
Net current period other comprehensive income (loss) 2,708 (3,399)
Balance (8,753) (11,461)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]    
Balance 284 504
Other comprehensive income (loss) before reclassifications 0 0
Return on plan assets   0
Amounts reclassified from accumulated other comprehensive income (loss) (284) (220)
Net current period other comprehensive income (loss) (284) (220)
Balance 0 284
Accumulated Gain (Loss), Net, Net Investment Hedge [Member]    
Balance (129) 1,502
Other comprehensive income (loss) before reclassifications 0 0
Return on plan assets   0
Amounts reclassified from accumulated other comprehensive income (loss) 129 (1,631)
Net current period other comprehensive income (loss) 129 (1,631)
Balance $ 0 $ (129)