Operating Segments (Summary Of Segment Information) (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
		Mar. 31, 2020	Mar. 31, 2019		Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Revenues		$ 55,558	$ 86,484		$ 210,394	$ 309,518
Operating (loss) income		(14,212)	(23,776)	[1]	(31,068)	(82,576)	[1]
Operating (loss) income Total	[2]	(12,696)	(21,683)		(22,284)	(63,862)
Depreciation and amortization		3,157	9,881	[1]	12,303	30,528	[1]
Expenditures for long-lived assets		1,042	1,615		4,493	7,280
Continuing [Member]
Segment Reporting Information [Line Items]
Revenues		36,514	36,586		125,019	149,174
Operating (loss) income	[2]	(14,212)	(23,776)		(31,068)	(82,576)
Depreciation and amortization		1,153	3,342		3,651	9,084
Expenditures for long-lived assets		545	527		2,990	4,539
Discontinued [Member]
Segment Reporting Information [Line Items]
Revenues			49,898		85,375	160,344
Operating (loss) income	[2]	1,516	2,093		8,784	18,714
Depreciation and amortization		2,004	6,539		8,652	21,444
Expenditures for long-lived assets		497	1,088		1,503	2,741
Reportable Segment [Member]
Segment Reporting Information [Line Items]
Revenues		58,142	88,382		218,402	317,573
Operating (loss) income		(10,010)	(7,818)		(9,152)	(31,678)
Depreciation and amortization		1,877	3,897		7,346	12,370
Expenditures for long-lived assets		1,042	1,615		4,493	7,280
Reportable Segment [Member] | Selling, General and Administrative Expenses [Member]
Segment Reporting Information [Line Items]
Retrenchment costs			4,542			5,243
Reportable Segment [Member] | Continuing [Member]
Segment Reporting Information [Line Items]
Revenues		39,098	38,484		133,027	157,229
Operating (loss) income		(12,763)	(19,804)		(23,720)	(70,474)
Reportable Segment [Member] | Discontinued [Member]
Segment Reporting Information [Line Items]
Revenues		19,044	49,898		85,375	160,344
Operating (loss) income		(2,753)	(11,986)		(14,568)	(38,796)
Corporate/Eliminations [Member]
Segment Reporting Information [Line Items]
Operating (loss) income		(2,686)	(13,865)		(13,132)	(32,184)
Depreciation and amortization		(1,280)	(5,984)		(4,957)	(18,158)
Expenditures for long-lived assets		0	0		0	0
Corporate/Eliminations [Member] | Continuing [Member]
Segment Reporting Information [Line Items]
Operating (loss) income		(1,449)	(3,972)		(7,348)	(12,102)
Depreciation and amortization		(68)	(1,973)		(208)	(5,008)
Corporate/Eliminations [Member] | Discontinued [Member]
Segment Reporting Information [Line Items]
Operating (loss) income		(1,237)	(9,893)		(5,784)	(20,082)
Depreciation and amortization		(1,212)	(4,011)		(4,749)	(13,150)
South African Transaction Processing [Member]
Segment Reporting Information [Line Items]
Revenues		17,812	16,074		53,182	71,340
South African Transaction Processing [Member] | Reportable Segment [Member]
Segment Reporting Information [Line Items]
Revenues		19,883	17,374		59,632	77,093
Operating (loss) income	[2]	(8,668)	(12,954)		(15,034)	(28,297)
Depreciation and amortization		631	914		1,956	2,776
Expenditures for long-lived assets		44	434		2,065	2,767
South African Transaction Processing [Member] | Reportable Segment [Member] | Selling, General and Administrative Expenses [Member]
Segment Reporting Information [Line Items]
Retrenchment costs			2,972			3,673
International Transaction Processing [Member]
Segment Reporting Information [Line Items]
Revenues		1,564	2,302		3,613	7,862
International Transaction Processing [Member] | Reportable Segment [Member]
Segment Reporting Information [Line Items]
Revenues		20,608	34,358		88,988	111,869
Operating (loss) income		(415)	1,909		6,186	628
Depreciation and amortization		917	2,367		4,294	7,937
Expenditures for long-lived assets		985	712		2,278	2,353
International Transaction Processing [Member] | Reportable Segment [Member] | Continuing [Member]
Segment Reporting Information [Line Items]
Revenues		1,564	2,302		3,613	7,862
Operating (loss) income		(3,168)	(1,939)		(8,382)	(13,768)
Depreciation and amortization		125	106		391	256
Expenditures for long-lived assets		488	32		775	343
International Transaction Processing [Member] | Reportable Segment [Member] | Discontinued [Member]
Segment Reporting Information [Line Items]
Revenues		19,044	32,056		85,375	104,007
Operating (loss) income		2,753	3,848		14,568	14,396
Depreciation and amortization		792	2,261		3,903	7,681
Expenditures for long-lived assets		497	680		1,503	2,010
Financial Inclusion And Applied Technologies [Member]
Segment Reporting Information [Line Items]
Revenues		17,138	18,210		68,224	69,972
Financial Inclusion And Applied Technologies [Member] | Reportable Segment [Member]
Segment Reporting Information [Line Items]
Revenues		17,651	36,650		69,782	128,611
Operating (loss) income	[2]	(927)	3,227		(304)	(4,009)
Depreciation and amortization		329	616		1,096	1,657
Expenditures for long-lived assets		13	469		150	2,160
Financial Inclusion And Applied Technologies [Member] | Reportable Segment [Member] | Selling, General and Administrative Expenses [Member]
Segment Reporting Information [Line Items]
Retrenchment costs			1,570			1,570
Financial Inclusion And Applied Technologies [Member] | Reportable Segment [Member] | Continuing [Member]
Segment Reporting Information [Line Items]
Revenues		17,651	18,808		69,782	72,274
Operating (loss) income	[2]	(927)	(4,911)		(304)	(28,409)
Depreciation and amortization		329	349		1,096	1,044
Expenditures for long-lived assets		13	61		150	1,429
Financial Inclusion And Applied Technologies [Member] | Reportable Segment [Member] | Discontinued [Member]
Segment Reporting Information [Line Items]
Revenues		0	17,842		0	56,337
Operating (loss) income		0	8,138		0	24,400
Depreciation and amortization		0	267		0	613
Expenditures for long-lived assets		$ 0	$ 408		$ 0	$ 731

[1] Refer to Note 1

[2] South African transaction processing and Financial inclusion and applies technologies include retrenchment costs for the three months ended March 31, 2019 of: $2,972 (nine months: $3,673) and $1,570 (nine months: $1,570), respectively, for total retrenchment costs for the three months of $4,542 (nine months: $5,243). The retrenchment costs are included in selling, general and administration expense on the unaudited condensed consolidated statement of operations for the three and nine months ended March 31, 2019.