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Goodwill And Intangible Assets, Net (Narrative) (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Goodwill and Intangible Assets [Line Items]          
Impairment of goodwill   $ 8,200,000 $ 0 $ 5,589,000 $ 14,440,000
Impairment loss of indefinite-lived intangible assets     0 0 0
Amortization expense     400,000 300,000 7,100,000
Maltese e-money License [Member]          
Goodwill and Intangible Assets [Line Items]          
Impairment loss of indefinite-lived intangible assets $ 700,000        
International Transaction Processing [Member]          
Goodwill and Intangible Assets [Line Items]          
Impairment of goodwill   7,000,000.0      
South African Transaction Processing [Member]          
Goodwill and Intangible Assets [Line Items]          
Impairment of goodwill $ 5,600,000 $ 1,200,000 $ 5,600,000 $ 8,200,000  
Financial Inclusion And Applied Technology [Member]          
Goodwill and Intangible Assets [Line Items]          
Impairment of goodwill         $ 6,200,000