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Debt Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2020
Debt Instrument [Line Items]      
Short-term debt $ 67 $ 110  
Long-term debt 115,000 100,083  
Interest Paid, Including Capitalized Interest, Operating and Investing Activities 1,788 852 $ 475
Unsecured Debt [Member]      
Debt Instrument [Line Items]      
Unsecured Loan, Unused Borrowing Capacity $ 5,000    
Unsecured Loan, Maturity Date Apr. 30, 2023    
Unsecured Loan, Amount Outstanding $ 0 0  
Revolving Credit Facility [Member] | Line of Credit [Member]      
Debt Instrument [Line Items]      
Revolving Credit Facility, Current Borrowing Capacity 300,000    
Revolving Credit Facility, Maximum Borrowing Capacity $ 700,000    
Revolving Credit Facility, Expiration Date Feb. 10, 2025    
Long-term Debt $ 115,000 $ 100,000  
Fed Funds Effective Rate Overnight Index Swap Rate [Member] | Revolving Credit Facility [Member] | Line of Credit [Member]      
Debt Instrument [Line Items]      
Basis Spread on Variable Rate 0.50%    
London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] | Line of Credit [Member]      
Debt Instrument [Line Items]      
Basis Spread on Variable Rate 1.00%    
Prime Rate [Member] | Unsecured Debt [Member]      
Debt Instrument [Line Items]      
Basis Spread on Variable Rate (1.00%)