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Note 10 - Derivative Financial Instruments (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2022
Mar. 31, 2022
Jun. 30, 2021
Derivative, Notional Amount  
Derivative Instruments, Loss Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing 0 0  
Interest Rate Swap [Member]      
Derivative, Notional Amount $ 200,000 $ 200,000  
Derivative, Average Fixed Interest Rate 1.27% 1.27%  
Foreign Exchange Forward [Member]      
Outstanding Forward Contracts, Net Unrealized Gain (Loss) $ 200 $ 200 $ (1,000)