Equity-Accounted Investments And Other Long-Term Assets (Ownership Percentage Of Equity-Accounted Investments) (Details)	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2020	Feb. 29, 2020	Jun. 30, 2019
Finbond Group Limited [Member]
Schedule of Equity Method Investments [Line Items]
Equity-accounted investments, ownership percentage	29.31%	31.47%
Sanduela Technology Proprietary Limited [Member]
Schedule of Equity Method Investments [Line Items]
Equity-accounted investments, ownership percentage	49.00%	0.00%
Carbon Tech Limited ("Carbon"), formerly OneFi Limited [Member]
Schedule of Equity Method Investments [Line Items]
Equity-accounted investments, ownership percentage	25.00%	25.00%
Smartswitch Namibia Pty Ltd [Member]
Schedule of Equity Method Investments [Line Items]
Equity-accounted investments, ownership percentage	50.00%	50.00%
Bank Frick [Member]
Schedule of Equity Method Investments [Line Items]
Equity-accounted investments, ownership percentage			35.00%
DNI [Member]
Schedule of Equity Method Investments [Line Items]
Equity-accounted investments, ownership percentage				27.00%	30.00%