Operating Segments (Summary Of Segment Information) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Segment Reporting Information [Line Items]
Revenues	$ 151,259	$ 134,736	$ 150,281	$ 154,473	$ 164,286	$ 151,121	$ 154,131	$ 156,441	$ 590,749	$ 625,979	$ 581,656
Operating income (loss)	$ 32,183	$ 26,191	$ 24,779	$ 31,215	$ 32,613	$ 31,966	$ 30,815	$ 33,125	114,368	128,519	101,798
Depreciation and amortization									40,394	40,685	40,286
Expenditures for long-lived assets									35,797	36,436	23,906
Reportable Segment [Member]
Segment Reporting Information [Line Items]
Revenues									631,784	673,606	621,897
Operating income (loss)									129,774	150,538	144,038
Depreciation and amortization									29,167	25,747	23,733
Expenditures for long-lived assets									35,797	36,436	23,906
Corporate/Eliminations [Member]
Segment Reporting Information [Line Items]
Operating income (loss)									(15,406)	(22,019)	(42,240)
Depreciation and amortization									11,227	14,938	16,553
South African Transaction Processing [Member] | Reportable Segment [Member]
Segment Reporting Information [Line Items]
Revenues									212,574	236,452	261,577
Operating income (loss)									51,386	51,008	61,401
Depreciation and amortization									6,157	7,093	7,036
Expenditures for long-lived assets									5,101	7,008	3,425
International Transaction Processing [Member] | Reportable Segment [Member]
Segment Reporting Information [Line Items]
Revenues									169,807	164,554	152,725
Operating income (loss)									23,389	26,805	21,952
Depreciation and amortization									21,852	17,846	15,823
Expenditures for long-lived assets									28,029	28,205	19,393
Financial Inclusion And Applied Technologies [Member] | Reportable Segment [Member]
Segment Reporting Information [Line Items]
Revenues									249,403	272,600	207,595
Operating income (loss)									54,999	72,725	60,685
Depreciation and amortization									1,158	808	874
Expenditures for long-lived assets									$ 2,667	$ 1,223	$ 1,088