Operating Segments (Reconciliation Of Reportable Segments Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 55,558	$ 86,484	$ 210,394	$ 309,518
Continuing [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	36,514	36,586	125,019	149,174
Discontinued [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues		49,898	85,375	160,344
South African Transaction Processing [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	17,812	16,074	53,182	71,340
International Transaction Processing [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	20,608	34,358	88,988	111,869
International Transaction Processing [Member] | Continuing [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	1,564	2,302	3,613	7,862
International Transaction Processing [Member] | Discontinued [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	19,044	32,056	85,375	104,007
Financial Inclusion And Applied Technologies [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	17,138	36,052	68,224	126,309
Financial Inclusion And Applied Technologies [Member] | Continuing [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	36,514	18,210		69,972
Financial Inclusion And Applied Technologies [Member] | Discontinued [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	19,044	17,842		56,337
Reportable Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	58,142	88,382	218,402	317,573
Reportable Segment [Member] | Continuing [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	39,098	38,484	133,027	157,229
Reportable Segment [Member] | Discontinued [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	19,044	49,898	85,375	160,344
Reportable Segment [Member] | South African Transaction Processing [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	19,883	17,374	59,632	77,093
Reportable Segment [Member] | International Transaction Processing [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	20,608	34,358	88,988	111,869
Reportable Segment [Member] | International Transaction Processing [Member] | Continuing [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	1,564	2,302	3,613	7,862
Reportable Segment [Member] | International Transaction Processing [Member] | Discontinued [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	19,044	32,056	85,375	104,007
Reportable Segment [Member] | Financial Inclusion And Applied Technologies [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	17,651	36,650	69,782	128,611
Reportable Segment [Member] | Financial Inclusion And Applied Technologies [Member] | Continuing [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	39,098	18,808		72,274
Reportable Segment [Member] | Financial Inclusion And Applied Technologies [Member] | Discontinued [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	19,044	17,842		56,337
Inter-Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	(2,584)	(1,898)	(8,008)	(8,055)
Inter-Segment [Member] | Continuing [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues		(1,898)	(8,008)	(8,055)
Inter-Segment [Member] | Discontinued [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues		0	0	0
Inter-Segment [Member] | South African Transaction Processing [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	(2,071)	(1,300)	(6,450)	(5,753)
Inter-Segment [Member] | International Transaction Processing [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	0	0	0	0
Inter-Segment [Member] | International Transaction Processing [Member] | Continuing [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	0	0	0	0
Inter-Segment [Member] | International Transaction Processing [Member] | Discontinued [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	0	0	0	0
Inter-Segment [Member] | Financial Inclusion And Applied Technologies [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	(513)	(598)	$ (1,558)	(2,302)
Inter-Segment [Member] | Financial Inclusion And Applied Technologies [Member] | Continuing [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	(2,584)	(598)		(2,302)
Inter-Segment [Member] | Financial Inclusion And Applied Technologies [Member] | Discontinued [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 0	$ 0		$ 0