Acquisitions (Narrative) (Details)	12 Months Ended				1 Months Ended			12 Months Ended	0 Months Ended				12 Months Ended		0 Months Ended			1 Months Ended	12 Months Ended	0 Months Ended			12 Months Ended		0 Months Ended	12 Months Ended	0 Months Ended
	Jun. 30, 2012 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)	Jun. 30, 2011 USD ($)	Dec. 31, 2011 KSNET [Member] USD ($)	Oct. 29, 2010 KSNET [Member] USD ($)	Oct. 29, 2010 KSNET [Member] KRW	Jun. 30, 2014 KSNET [Member] USD ($)	Jul. 01, 2011 Prepaid Business And SmartLife [Member] USD ($)	Sep. 14, 2012 Net1 Mobile Solutions [Member] USD ($)	Sep. 14, 2012 Net1 Mobile Solutions [Member] ZAR	Sep. 14, 2012 Net1 Mobile Solutions [Member] ZAR	Jun. 30, 2014 Net1 Mobile Solutions [Member] item	Jun. 30, 2013 Net1 Mobile Solutions [Member] USD ($)	Jul. 01, 2011 Prepaid Business [Member] USD ($)	Jul. 01, 2011 SmartLife [Member] USD ($)	Jul. 01, 2011 SmartLife [Member] ZAR	Nov. 30, 2011 SmartLife [Member] USD ($)	Jun. 30, 2014 SmartLife [Member]	Dec. 07, 2012 SmartSwitch Botswana [Member] USD ($)	Dec. 07, 2012 SmartSwitch Botswana [Member] BWP	Sep. 14, 2012 SmartSwitch Botswana [Member] USD ($)	Jun. 30, 2014 SmartSwitch Botswana [Member]	Jun. 30, 2013 SmartSwitch Botswana [Member] USD ($)	Oct. 03, 2011 Eason & Son, Ltd [Member] USD ($)	Jun. 30, 2014 Eason & Son, Ltd [Member]	Sep. 14, 2012 SmartSwitch Botswana And N1MS [Member] USD ($)	Jun. 30, 2013 SmartSwitch Botswana And N1MS [Member] USD ($)
Business Acquisition [Line Items]
Business acquisition date								Oct. 29, 2010					Sep. 14, 2012						Jul. 01, 2011				Dec. 07, 2012			Oct. 03, 2011
Percentage acquired in acquisition																				50.00%	50.00%
Business acquisition, cost of acquired entity, cash paid								$ 2,000,000			23,000,000						13,000,000			$ 800,000	6,300,000				$ 4,500,000
Cash received from acquisition					4,900,000
Value of shares issued in acquisition												10,000,000
Shares issued in acquisition												142,236
Business acquisition, number of tranches													3
Business acquisition, number of shares in each tranches													47,412
Business acquisition, contributed revenue														1,100,000										700,000
Business acquisition, contributed net loss														500,000										20,000
Consideration transferred						240,000,000	270,000,000,000		6,323,000	3,829,000	33,000,000				4,481,000	1,842,000						814,000					4,643,000
Percentage of business sold																		10.00%
Sale of business to strategic partner	107,000																	100,000
Loss on sale of subsidiary interest to strategic partner	81,000																	80,000
Business acquisition transaction-related expenditures																												100,000
Difference between the fair value of consideration paid and the non-controlling interest adjusted amount	$ 224,888,000	$ 186,576,000	$ 218,558,000	$ 258,084,000