Operating Segments (Summary Of Segment Information) (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
		Mar. 31, 2019	Mar. 31, 2018		Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Revenues	[1]	$ 86,484	$ 162,721	[2]	$ 309,518	$ 463,695	[2]
Operating (loss) income	[1]	(21,683)	7,564	[2]	(63,862)	48,877	[2]
Depreciation and amortization	[1]	9,881	9,341	[2],[3]	30,528	27,030	[2],[3]
Expenditures for long-lived assets		1,615	4,225		7,280	7,801
Selling, general and administration	[1]	42,802	48,091	[2]	155,676	141,417	[2]
Continuing [Member]
Segment Reporting Information [Line Items]
Operating (loss) income		(22,355)	7,564		(75,543)	48,877
Depreciation and amortization		7,454	9,341		22,502	27,030
Expenditures for long-lived assets		1,207	4,225		6,549	7,801
Discontinued [Member]
Segment Reporting Information [Line Items]
Operating (loss) income		672			11,681
Depreciation and amortization		2,427			8,026
Expenditures for long-lived assets		408			731
Reportable Segment [Member]
Segment Reporting Information [Line Items]
Revenues		88,382	179,322		317,573	508,558
Operating (loss) income		(7,818)	12,795		(31,678)	65,579
Depreciation and amortization		3,897	6,302		12,370	18,219
Expenditures for long-lived assets		1,615	4,225		7,280	7,801
Reportable Segment [Member] | Continuing [Member]
Segment Reporting Information [Line Items]
Revenues		70,540	179,322		261,236	508,558
Reportable Segment [Member] | Discontinued [Member]
Segment Reporting Information [Line Items]
Revenues		17,842			56,337
Reportable Segment [Member] | Retrenchment Costs [Member]
Segment Reporting Information [Line Items]
Selling, general and administration		4,542			5,243
Corporate/Eliminations [Member]
Segment Reporting Information [Line Items]
Operating (loss) income		(13,865)	(5,231)		(32,184)	(16,702)
Depreciation and amortization		(5,984)	(3,039)		(18,158)	(8,811)
Expenditures for long-lived assets
Corporate/Eliminations [Member] | Continuing [Member]
Segment Reporting Information [Line Items]
Operating (loss) income		(6,399)	(5,231)		(19,465)	(16,702)
Depreciation and amortization		(3,824)	(3,039)		(10,745)	(8,811)
Corporate/Eliminations [Member] | Discontinued [Member]
Segment Reporting Information [Line Items]
Operating (loss) income		(7,466)			(12,719)
Depreciation and amortization		(2,160)			(7,413)
South African Transaction Processing [Member] | Reportable Segment [Member]
Segment Reporting Information [Line Items]
Revenues		17,374	73,508		77,093	204,093
Operating (loss) income		(12,954)	12,719		(28,297)	38,521
Depreciation and amortization		914	1,236		2,776	3,476
Expenditures for long-lived assets		434	1,794		2,767	3,171
South African Transaction Processing [Member] | Reportable Segment [Member] | Retrenchment Costs [Member]
Segment Reporting Information [Line Items]
Selling, general and administration		2,972			3,673
International Transaction Processing [Member] | Reportable Segment [Member]
Segment Reporting Information [Line Items]
Revenues		34,358	46,240		111,869	136,447
Operating (loss) income		1,909	(14,892)		628	(14,567)
Depreciation and amortization		2,367	4,668		7,937	13,681
Expenditures for long-lived assets		712	1,990		2,353	3,788
Financial Inclusion And Applied Technologies [Member] | Reportable Segment [Member]
Segment Reporting Information [Line Items]
Revenues		36,650	59,574		128,611	168,018
Operating (loss) income		3,227	14,968		(4,009)	41,625
Depreciation and amortization		616	398		1,657	1,062
Expenditures for long-lived assets		469	441		2,160	842
Financial Inclusion And Applied Technologies [Member] | Reportable Segment [Member] | Continuing [Member]
Segment Reporting Information [Line Items]
Revenues		18,808	59,574		72,274	168,018
Operating (loss) income		(4,911)	14,968		(28,409)	41,625
Depreciation and amortization		349	398		1,044	1,062
Expenditures for long-lived assets		61	$ 441		1,429	$ 842
Financial Inclusion And Applied Technologies [Member] | Reportable Segment [Member] | Discontinued [Member]
Segment Reporting Information [Line Items]
Revenues		17,842			56,337
Operating (loss) income		8,138			24,400
Depreciation and amortization		267			613
Expenditures for long-lived assets		408			731
Financial Inclusion And Applied Technologies [Member] | Reportable Segment [Member] | Retrenchment Costs [Member]
Segment Reporting Information [Line Items]
Selling, general and administration		$ 1,570			$ 1,570

[1] Refer to Note 2 for discontinued operations disclosures.

[2] Refer to Note 1

[3] Refer to Note 1.