Operating Segments (Summary Of Segment Information) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Segment Reporting Information [Line Items]
Revenues from external customers	$ 107,616	$ 90,664	$ 92,058	$ 99,926	$ 97,368	$ 92,758	$ 89,011	$ 64,283	$ 390,264	$ 343,420	$ 280,364
Inter-company revenues									8,301	6,296	5,729
Operating income (loss)	(2,402)	12,478	20,228	30,846	26,593	(22,125)	21,974	10,986	61,150	37,428	69,811
Interest earned									8,576	7,654	10,116
Interest expense									9,345	8,672	1,047
Depreciation and amortization									36,499	34,671	19,348
Income tax provision									15,936	33,525	40,822
Net income (loss)	(7,977)	7,766	25,094	19,768	6,832	(21,562)	9,948	7,429	44,651	2,647	38,990
Expenditures for long-lived assets									39,167	15,053	2,730
SA Transaction-Based Activities [Member]
Segment Reporting Information [Line Items]
Revenues from external customers									201,207	189,206	191,362
Inter-company revenues									5,452	4,015	3,837
Operating income (loss)									49,824	75,668	106,036
Interest earned
Interest expense									463	652	981
Depreciation and amortization									9,370	8,997	6,714
Income tax provision									13,948	21,003	29,713
Net income (loss)									35,414	54,009	75,536
Expenditures for long-lived assets									23,408	2,423	2,177
International Transaction-Based Activities [Member]
Segment Reporting Information [Line Items]
Revenues from external customers									118,281	70,382
Inter-company revenues
Operating income (loss)									1,257	(220)
Interest earned
Interest expense									44	526
Depreciation and amortization									26,206	16,584
Income tax provision									(449)	(1,003)
Net income (loss)									2,190	652
Expenditures for long-lived assets									14,978	12,113
Smart Card Accounts [Member]
Segment Reporting Information [Line Items]
Revenues from external customers									31,263	33,315	31,971
Inter-company revenues									1,065
Operating income (loss)									12,820	15,140	14,532
Interest earned
Interest expense
Depreciation and amortization
Income tax provision									3,590	4,238	4,068
Net income (loss)									9,230	10,904	10,465
Expenditures for long-lived assets
Financial Services [Member]
Segment Reporting Information [Line Items]
Revenues from external customers									8,121	7,350	4,023
Inter-company revenues
Operating income (loss)									4,636	4,999	2,881
Interest earned
Interest expense									2	15	1
Depreciation and amortization									345	539	510
Income tax provision									1,286	1,394	806
Net income (loss)									3,309	3,587	2,073
Expenditures for long-lived assets									620	400	302
Hardware, Software And Related Technology Sales [Member]
Segment Reporting Information [Line Items]
Revenues from external customers									31,392	43,167	53,008
Inter-company revenues									1,784	2,281	1,892
Operating income (loss)									3,619	(48,372)	(42,524)
Interest earned
Interest expense									109	59	5
Depreciation and amortization									624	7,846	10,978
Income tax provision									894	(3,111)	684
Net income (loss)									2,616	(45,191)	(43,405)
Expenditures for long-lived assets									161	117	251
Corporate/Eliminations [Member]
Segment Reporting Information [Line Items]
Operating income (loss)									(11,006)	(9,787)	(11,114)
Interest earned									8,576	7,654	10,116
Interest expense									8,727	7,420	60
Depreciation and amortization									(46)	705	1,146
Income tax provision									(3,333)	11,004	5,551
Net income (loss)									(8,108)	(21,314)	(5,679)
Expenditures for long-lived assets