Goodwill And Intangible Assets, Net (Fair Value Of Intangible Assets Acquired) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization period (in years)	15 years
KSNET [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Fair value as of acquisition date	74,663
Weighted-Average Amortization period (in years)	10 years
KSNET [Member] | Software And Unpatented Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Fair value as of acquisition date	24,380
Weighted-Average Amortization period (in years)	5 years
KSNET [Member] | Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Fair value as of acquisition date	3,786
Weighted-Average Amortization period (in years)	8 years
FIHRST [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Fair value as of acquisition date	1,804
Weighted-Average Amortization period (in years)	10 years
FIHRST [Member] | Software And Unpatented Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Fair value as of acquisition date	6,179
Weighted-Average Amortization period (in years)	3 years
Net1 UTA [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Fair value as of acquisition date	68,859	[1]
Weighted-Average Amortization period (in years)	7 years
Prepaid Business [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Fair value as of acquisition date	895
Weighted-Average Amortization period (in years)	9 months
Prepaid Business [Member] | Software And Unpatented Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Fair value as of acquisition date	2,449
Weighted-Average Amortization period (in years)	3 years
MediKredit [Member] | Software And Unpatented Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Fair value as of acquisition date	5,249
Weighted-Average Amortization period (in years)	3 years
MediKredit [Member] | Customer Database [Member]
Finite-Lived Intangible Assets [Line Items]
Fair value as of acquisition date	821
Weighted-Average Amortization period (in years)	3 years

[1] Impaired during the year ended June 30, 2011