Acquisitions, Dispositions and Discontinued Operations (Schedule Of Balances Included On Condensed Consolidated Balance Sheet) (Details) $ in Thousands, R in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Nov. 30, 2017 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2019 ZAR (R)	Jun. 30, 2019 USD ($)		Nov. 30, 2017 ZAR (R)
Current assets of discontinued operation				$ 0		$ 117,842	[1]
Long-term assets of discontinued operation				0		149,390	[1]
Current liabilities of discontinued operation				0		(57,815)	[1]
Long-term liabilities of discontinued operation				$ 0		(3,264)	[1]
Net1 Korea [Member]
Current assets of discontinued operation						117,842
Cash and cash equivalents						26,051
Accounts receivable, net						41,359
Finance loans receivable, net						9,650
Inventory						1,826
Settlement assets						38,956
Long-term assets of discontinued operation						149,390
Property, plant and equipment, net						10,327
Goodwill (Note 11)						112,071
Intangible assets, net						9,661
Deferred income taxes assets (Note 19)						1,917
Other long-term assets						15,414
Current liabilities of discontinued operation						(57,815)
Accounts payable						(7,139)
Other payables						(6,827)
Income taxes payable						(4,893)
Settlement liabilities						(38,956)
Long-term liabilities of discontinued operation						(3,264)
Other long-term liabilities						(508)
Deferred income taxes liabilities						$ (2,756)
DNI [Member]
Other long-term liabilities	$ (8,300)							R (113.8)
Present values of other long-term liabilities		$ 9,400			R 129.0
Interest rate used to calculate interest earned		10.00%
Consideration plus (less) contingent amount other shareholders agreed to reimburse DNI, percent	50.00%
DNI [Member] | Initial DNI PPA [Member]
Current assets of discontinued operation			$ 22,482
Cash and cash equivalents			2,979
Accounts receivable, net			16,235
Finance loans receivable, net			742
Inventory			2,526
Long-term assets of discontinued operation			242,704
Property, plant and equipment, net			1,317
Equity-accounted investment			339
Goodwill (Note 11)			114,161
Intangible assets, net			104,003
Deferred income taxes assets (Note 19)			1,536
Other long-term assets			21,348
Current liabilities of discontinued operation			(20,914)
Accounts payable			(13,949)
Other payables			(6,349)
Current portion of long-term borrowings			(616)
Long-term liabilities of discontinued operation			(38,387)
Other long-term liabilities			(8,291)
Deferred income taxes liabilities			(30,096)
Fair value of assets and liabilities on acquisition			205,885
DNI [Member] | Amendment [Member]
Long-term assets of discontinued operation			(1,951)
Goodwill (Note 11)			5,017
Intangible assets, net			(6,968)
Long-term liabilities of discontinued operation			(1,951)
Deferred income taxes liabilities			(1,951)
DNI [Member] | Amended DNI PPA [Member]
Current assets of discontinued operation			22,482
Cash and cash equivalents			2,979
Accounts receivable, net			16,235
Finance loans receivable, net			742
Inventory			2,526
Long-term assets of discontinued operation			240,753
Property, plant and equipment, net			1,317
Equity-accounted investment			339
Goodwill (Note 11)			119,178
Intangible assets, net			97,035
Deferred income taxes assets (Note 19)			1,536
Other long-term assets			21,348
Current liabilities of discontinued operation			(57,350)
Accounts payable			(13,949)
Other payables			(6,349)
Current portion of long-term borrowings			(616)
Long-term liabilities of discontinued operation			(36,436)
Other long-term liabilities			(8,291)
Deferred income taxes liabilities			(28,145)
Fair value of assets and liabilities on acquisition			205,885
Less: fair value attributable to controlling interests on acquisition date			(94,123)
Less: fair value of equity-accounted investment, comprising:			(100,947)
Add: loss on re-measurement of previously held interest			4,614
Less: Contingent payment recognized related to 49% interest acquired			(25,589)
Less: Contingent payment recognized related to 6% interest acquired			(79,972)
Less: carrying value at the acquisition date			(1,633)
Total purchase price			$ 9,182

[1] Refer to Note 1