v3.26.1
Summary Of Significant Accounting Policies (Schedule Of Amounts Reclassified Out Of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Accumulated other comprehensive income (loss) at beginning of year $ 961 $ (8,640)  
Net (loss) gain arising during the period 72 (1,493) $ 554
Settlement charge 0 13,968 0
Total other comprehensive (loss) income, before tax (6) 12,529 946
Total tax benefit (expense) 2 (2,928) (221)
Other comprehensive (loss) income, net of tax (4) 9,601 725
Accumulated other comprehensive income at end of year 957 961 (8,640)
Defined Benefit Pension Plans [Member]      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Net (loss) gain arising during the period 0 (1,549)  
Settlement charge 0 13,968 0
Amortization of unrecognized net loss (gain) 0 294 $ 633
Postretirement Benefit Plan [Member]      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Net (loss) gain arising during the period 72 56  
Amortization of unrecognized net loss (gain) (59) (59)  
Amortization of prior service credit $ (19) $ (181)