Goodwill And Intangible Assets, Net (Summary Of Movement In Carrying Value Of Goodwill) (Details) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
		Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Jun. 30, 2019
Gross value, Beginning Balance			$ 184,544
Gross value, Disposal of FIHRST (Note 2)			(599)
Gross value, Deconsolidation of Net1 Korea (Note 2)			(107,964)
Gross value, Foreign currency adjustment	[1]		(12,459)
Gross value, Ending Balance			63,522
Accumulated impairment, Beginning Balance			(35,157)
Accumulated impairment, Impairment loss		$ (8,200)	(5,589)	$ (8,200)
Accumulated impairment, Foreign currency adjustment	[1]		658
Accumulated impairment, Ending Balance			(40,088)
Carrying value, Beginning Balance					$ 149,387
Carrying value, Impairment loss			(5,589)
Carrying value, Disposal of FIHRST (Note 2)			(599)
Carrying value, Deconsolidation of Net1 Korea (Note 2)			(107,964)
Carrying value, Foreign currency adjustment	[1]		(11,801)
Carrying value, Ending Balance			23,434		37,316	[2],[3]
Continuing [Member]
Gross value, Beginning Balance			72,473
Accumulated impairment, Beginning Balance			(35,157)
Carrying value, Beginning Balance					37,316
Discontinued (Note 2) [Member]
Gross value, Beginning Balance			112,071
Accumulated impairment, Beginning Balance			$ 0
Carrying value, Beginning Balance					$ 112,071

[1] The foreign currency adjustment represents the effects of the fluctuations between the South African rand, the Euro and the Korean won, and the U.S. dollar on the carrying value.

[2] Derived from audited financial statements.

[3] Refer to Note 1