Equity-Accounted Investments And Other Long-Term Assets (Ownership Percentage Of Equity-Accounted Investments) (Details)	Dec. 31, 2023	Jun. 30, 2023
Finbond Group Limited [Member]
Schedule of Equity Method Investments [Line Items]
Equity-accounted investments, ownership percentage	0.00%	27.80%
Sanduela Technology Proprietary Limited [Member]
Schedule of Equity Method Investments [Line Items]
Equity-accounted investments, ownership percentage	49.00%	49.00%
Smartswitch Namibia Pty Ltd [Member]
Schedule of Equity Method Investments [Line Items]
Equity-accounted investments, ownership percentage	50.00%	50.00%