Operating Segments (Summary Of Segment Information) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Revenues	$ 74,080	$ 97,150	$ 154,836	$ 223,034
Operating (loss) income	(6,854)	(48,901)	(9,588)	(53,187)
Operating (loss) income Total	(6,854)	(43,075)	(9,588)	(42,179)
Depreciation and amortization	4,381	9,853	9,146	20,647
Expenditures for long-lived assets	827	2,547	3,451	5,665
Continuing [Member]
Segment Reporting Information [Line Items]
Revenues	74,080	77,442	154,836	184,539
Operating (loss) income	(6,854)	(48,901)	(9,588)	(53,187)
Depreciation and amortization	4,381	7,191	9,146	15,048
Expenditures for long-lived assets	827	2,363	3,451	5,342
Discontinued [Member]
Segment Reporting Information [Line Items]
Revenues		19,708		38,495
Operating (loss) income	0	5,826	0	11,008
Depreciation and amortization	0	2,662	0	5,599
Expenditures for long-lived assets	0	184	0	323
Reportable Segment [Member]
Segment Reporting Information [Line Items]
Revenues	76,699	98,849	160,260	229,191
Operating (loss) income	(1,048)	(34,411)	858	(23,860)
Depreciation and amortization	2,528	3,837	5,469	8,473
Expenditures for long-lived assets	827	2,547	3,451	5,665
Reportable Segment [Member] | Continuing [Member]
Segment Reporting Information [Line Items]
Revenues	76,699	79,141	160,260	190,696
Operating (loss) income	(1,048)	(42,840)	858	(40,121)
Reportable Segment [Member] | Discontinued [Member]
Segment Reporting Information [Line Items]
Revenues	0	19,708	0	38,495
Operating (loss) income	0	(8,429)	0	(16,261)
Corporate/Eliminations [Member]
Segment Reporting Information [Line Items]
Operating (loss) income	(5,806)	(8,664)	(10,446)	(18,319)
Depreciation and amortization	(1,853)	(6,016)	(3,677)	(12,174)
Expenditures for long-lived assets	0	0	0	0
Corporate/Eliminations [Member] | Continuing [Member]
Segment Reporting Information [Line Items]
Operating (loss) income	(5,806)	(6,061)	(10,446)	(13,066)
Depreciation and amortization	(1,853)	(3,413)	(3,677)	(6,921)
Corporate/Eliminations [Member] | Discontinued [Member]
Segment Reporting Information [Line Items]
Operating (loss) income	0	(2,603)	0	(5,253)
Depreciation and amortization	0	(2,603)	0	(5,253)
South African Transaction Processing [Member]
Segment Reporting Information [Line Items]
Revenues	18,171	20,803	35,370	55,266
South African Transaction Processing [Member] | Reportable Segment [Member]
Segment Reporting Information [Line Items]
Revenues	20,350	21,970	39,749	59,719
Operating (loss) income	(2,981)	(11,830)	(6,366)	(15,343)
Depreciation and amortization	664	921	1,325	1,862
Expenditures for long-lived assets	157	1,047	2,021	2,333
International Transaction Processing [Member]
Segment Reporting Information [Line Items]
Revenues	34,363	38,124	68,380	77,511
International Transaction Processing [Member] | Reportable Segment [Member]
Segment Reporting Information [Line Items]
Revenues	34,363	38,124	68,380	77,511
Operating (loss) income	2,811	(4,043)	6,601	(1,281)
Depreciation and amortization	1,481	2,511	3,377	5,570
Expenditures for long-lived assets	616	841	1,293	1,641
Financial Inclusion And Applied Technologies [Member]
Segment Reporting Information [Line Items]
Revenues	21,546	18,515	51,086	51,762
Financial Inclusion And Applied Technologies [Member] | Reportable Segment [Member]
Segment Reporting Information [Line Items]
Revenues	21,986	38,755	52,131	91,961
Operating (loss) income	(878)	(18,538)	623	(7,236)
Depreciation and amortization	383	405	767	1,041
Expenditures for long-lived assets	54	659	137	1,691
Financial Inclusion And Applied Technologies [Member] | Reportable Segment [Member] | Continuing [Member]
Segment Reporting Information [Line Items]
Revenues	21,986	19,047	52,131	53,466
Operating (loss) income	(878)	(26,967)	623	(23,497)
Depreciation and amortization	383	346	767	695
Expenditures for long-lived assets	54	475	137	1,368
Financial Inclusion And Applied Technologies [Member] | Reportable Segment [Member] | Discontinued [Member]
Segment Reporting Information [Line Items]
Revenues	0	19,708	0	38,495
Operating (loss) income	0	8,429	0	16,261
Depreciation and amortization	0	59	0	346
Expenditures for long-lived assets	$ 0	$ 184	$ 0	$ 323