Equity-Accounted Investments And Other Long-Term Assets (Ownership Percentage Of Equity-Accounted Investments) (Details)	Jun. 30, 2018	Jun. 30, 2017
Bank Frick [Member]
Schedule of Equity Method Investments [Line Items]
Equity-accounted investments, ownership percentage	35.00%
Finbond [Member]
Schedule of Equity Method Investments [Line Items]
Equity-accounted investments, ownership percentage	29.00%	26.00%
OneFi [Member]
Schedule of Equity Method Investments [Line Items]
Equity-accounted investments, ownership percentage	25.00%	25.00%
SmartSwitch Namibia [Member]
Schedule of Equity Method Investments [Line Items]
Equity-accounted investments, ownership percentage	50.00%	50.00%
Speckpack [Member]
Schedule of Equity Method Investments [Line Items]
Equity-accounted investments, ownership percentage	50.00%
Walletdoc [Member]
Schedule of Equity Method Investments [Line Items]
Equity-accounted investments, ownership percentage	20.00%	20.00%