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Goodwill And Intangible Assets, Net (Summary Of Movement In Carrying Value Of Goodwill) (Details) - USD ($)
 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2020
Gross value, Beginning Balance $ 175,476,000 $ 42,949,000 $ 63,194,000  
Gross value, Liquidation of subsidiaries     (26,629,000)  
Gross value, Acquisition of Connect Group (Note 3) 0 153,693,000    
Gross value, Foreign currency adjustment (22,857,000) (21,166,000) 6,384,000  
Gross value, Ending Balance 152,619,000 175,476,000 42,949,000  
Accumulated impairment, Beginning Balance (12,819,000) (13,796,000) (39,025,000)  
Accumulated impairment, Impairment loss (7,000,000.0) 0 0  
Accumulated impairment, Liquidation of subsidiaries     26,629,000  
Accumulated impairment, Foreign currency adjustment 982,000 977,000 (1,400,000)  
Accumulated impairment, Ending Balance (18,876,000) (12,819,000) (13,796,000)  
Carrying value, Beginning Balance       $ 24,169,000
Carrying value, Impairment loss (7,039,000)      
Carrying value, Disposal of FIHRST (Note 23)     0  
Carrying value, Acquisition of Connect Group (Note 3) 7,039,000 153,693,000    
Carrying value, Liquidation of subsidiaries     0  
Accumulated impairment, Acquisition of Connect Group (Note 3) (7,039,000)      
Carrying value, Foreign currency adjustment (21,875,000) (20,189,000) 4,984,000  
Carrying value, Ending Balance $ 133,743,000 $ 162,657,000 $ 29,153,000 $ 24,169,000