Stock-Based Compensation (Narrative) (Details) (USD $)	0 Months Ended	12 Months Ended					1 Months Ended	12 Months Ended			0 Months Ended	1 Months Ended		12 Months Ended						0 Months Ended
	Nov. 10, 2011	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2014 Non-employee Directors [Member]	Jun. 30, 2012 Non-employee Directors [Member]	Aug. 31, 2012 Remuneration Committee Of The Board Agreed For Accelerated Vesting [Member]	Jun. 30, 2013 Remuneration Committee Of The Board Agreed For Accelerated Vesting [Member]	Jun. 30, 2014 Net1 UTA [Member]	Jun. 30, 2013 Net1 UTA [Member]	Nov. 10, 2011 Restricted Stock [Member]	Nov. 30, 2010 Restricted Stock [Member] employee	Oct. 31, 2010 Restricted Stock [Member]	Jun. 30, 2014 Restricted Stock [Member]	Jun. 30, 2013 Restricted Stock [Member]	Jun. 30, 2012 Restricted Stock [Member]	Jun. 30, 2011 Restricted Stock [Member]	Jun. 30, 2014 Stock Options [Member]	Jun. 30, 2014 Stock Incentive Plan [Member]	Nov. 10, 2012 November 10, 2012 [Member] Restricted Stock [Member]	Nov. 10, 2013 November 10, 2013 [Member] Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total number of shares of common stock issuable under plan																			8,552,580
Maximum number of shares for which awards may granted during calendar year to any participant																			569,120
Maximum number of shares subject to stock option awards that can be granted during calendar year																			569,120
Maximum amount that can be granted in calendar year awards other than stock options																			$ 20,000,000
Share based compensation options expiration period, in years		10 years
General vesting period														3 years
Period which shares may not be disposed of in any way, after restricted stock become vested and nonforfeited, in months		11 months
Awards provided for vesting upon recipients continuous service through vesting date and company achieving financial performance target											0.33
Future awards provided for vesting upon recipients continuous service through vesting date and company achieving financial performance target, for November 10, 2012 and 2013																				0.33	0.33
Number of options issued												83,000	60,000
Number of executive officers that were approved for shares												2
Fundamental EPS															$ 1.90	$ 1.60	$ 1.44
Award shares vested percentage	33.00%
Exercisable stock options		462,333	442,666	300,000				30,000
Proceeds from exercise of stock options		200,000	200,000	0
Less: Non-vested equity shares that have not vested as of end of year (Note 18)		385,778	405,226	646,617
Stock-based compensation charge		3,718,000	3,907,000	2,775,000
Fair value of restricted stock vested		1,900,000	1,200,000	200,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		26,667	30,000
Forfeitures, Number of shares		136,420		240,073	7,171	5,976
Unrecognized compensation cost														2,300,000				900,000
Deferred tax asset									$ 1,600,000	$ 1,400,000
Unrecognized compensation cost, expected recognition period, years														2 years				2 years
Vested number of shares of restricted stock							8,547