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Benefit And Retirement Plans (Narrative) (Details)
$ in Thousands
12 Months Ended
Jun. 30, 2023
USD ($)
item
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Pension and Other Postretirement Benefits [Line Items]      
Company's matching contribution to retirement savings plans $ 1,600 $ 2,000 $ 1,000
Number of plans | item 1    
Payments for Restructuring $ 1,290 962  
Expense reduction   (200)  
Pension Fund Multi Employer Plan Termination [Member]      
Pension and Other Postretirement Benefits [Line Items]      
Payments for Restructuring   $ 1,200  
Minimum [Member] | Plans in yellow zone [Member]      
Pension and Other Postretirement Benefits [Line Items]      
Percentage of plans funded 65.00%    
Minimum [Member] | Plans in green zone [Member]      
Pension and Other Postretirement Benefits [Line Items]      
Percentage of plans funded 80.00%    
Maximum [Member] | Plans in red zone [Member]      
Pension and Other Postretirement Benefits [Line Items]      
Percentage of plans funded 65.00%    
Maximum [Member] | Plans in yellow zone [Member]      
Pension and Other Postretirement Benefits [Line Items]      
Percentage of plans funded 80.00%