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Borrowings (Summary Of Long-Term Borrowings) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2020
Mar. 31, 2019
[1]
Mar. 31, 2020
Mar. 31, 2019
[1]
Jun. 30, 2019
Debt Instrument [Line Items]          
Current portion of long-term borrowings $ 3,190   $ 3,190   $ 0
Long-term borrowings 0   0   0
Beginning Balance     0    
Utilized 0 $ 3,609 14,798 $ 14,613  
Repaid 0 $ (12,499) (11,313) $ (36,310)  
Foreign currency adjustment     (295)    
Ending Balance 3,190   3,190    
Amended July 2017 [Member] | South Africa [Member]          
Debt Instrument [Line Items]          
Current portion of long-term borrowings 3,190   3,190   0
Long-term borrowings 0   0   $ 0
Beginning Balance     0    
Utilized     14,798    
Repaid     (11,313)    
Foreign currency adjustment     (295)    
Ending Balance $ 3,190   $ 3,190    
[1]
Refer to Note 1