Goodwill And Intangible Assets, Net (Goodwill Allocated To Reportable Segments) (Details) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
		Mar. 31, 2018	Mar. 31, 2018
Goodwill [Line Items]
Carrying value, Beginning Balance	[1]		$ 188,833
Carrying value, Impairment of goodwill		$ (19,865)	(19,865)
Carrying value, Foreign currency adjustment	[2]		13,566
Carrying value, Ending Balance		182,534	182,534
South African Transaction Processing [Member]
Goodwill [Line Items]
Carrying value, Beginning Balance			23,131
Carrying value, Impairment of goodwill
Carrying value, Foreign currency adjustment	[2]		2,404
Carrying value, Ending Balance		25,535	25,535
International Transaction Processing [Member]
Goodwill [Line Items]
Carrying value, Beginning Balance			140,570
Carrying value, Impairment of goodwill			(19,865)
Carrying value, Foreign currency adjustment	[2]		9,155
Carrying value, Ending Balance		129,860	129,860
Financial Inclusion And Applied Technologies [Member]
Goodwill [Line Items]
Carrying value, Beginning Balance			25,132
Carrying value, Impairment of goodwill
Carrying value, Foreign currency adjustment	[2]		2,007
Carrying value, Ending Balance		$ 27,139	$ 27,139

[1] Derived from audited financial statements

[2] Represents the effects of the fluctuations of the South African rand, euro and the Korean won, against the U.S. dollar on the carrying value.