Consolidated Statement Of Changes In Equity (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Total Net1 Equity [Member]	Non-Controlling Interest [Member]	Total
Balance at Jun. 30, 2009	$ 59	$ (48,637)	$ 126,914	$ 353,353	$ (58,472)	$ 373,217	$ 2,539	$ 375,756
Balance, shares at Jun. 30, 2009	58,434,003	(3,927,516)
Options exercised, shares	83,338							(83,338)
Options exercised, value			303			303		303
Restricted stock granted, shares	10,098
Settlement of loan note consideration for stock issued in accordance with 2004 Stock Incentive Plan			417			417		417
Stock-based compensation charge			5,670			5,670		5,670
Treasury shares acquired, shares (Note 14)		9,221,526
Treasury shares acquired (Note 14)		(125,034)				(125,034)		(125,034)
Income tax benefits from stock awards sold by employees			239			239		239
Comprehensive income (loss), net of taxes:
Net income (loss)				38,990		38,990	(839)	38,151
Other comprehensive loss:
Net unrealized gain (loss) on available for sale investment, net of tax					(684)	(684)		(684)
Movement in foreign currency translation reserve					(7,240)	(7,240)	(277)	(7,517)
Balance at Jun. 30, 2010	59	(173,671)	133,543	392,343	(66,396)	285,878	1,423	287,301
Balance, shares at Jun. 30, 2010	58,527,439	(13,149,042)
Restricted stock granted, shares	156,956
Settlement of loan note consideration for stock issued in accordance with 2004 Stock Incentive Plan			20			20		20
Stock-based compensation charge			5,212			5,212		5,212
Reversal of stock-based compensation charge			(3,492)			(3,492)		(3,492)
Reversal of stock-based compensation charge, shares	(257,156)
Treasury shares acquired, shares (Note 14)		125,392
Treasury shares acquired (Note 14)		(1,023)				(1,023)		(1,023)
Utilization of income tax benefit from stock awards sold by employees			(68)			(68)		(68)
Acquisition of KSNET							3,097	3,097
Purchase accounting adjustment			1,215		(290)	925	(1,809)	(884)
Comprehensive income (loss), net of taxes:
Net income (loss)				2,647		2,647	(101)	2,546
Other comprehensive loss:
Net unrealized gain (loss) on available for sale investment, net of tax					(691)	(691)		(691)
Movement in foreign currency translation reserve					33,598	33,598	404	34,002
Balance at Jun. 30, 2011	59	(174,694)	136,430	394,990	(33,779)	323,006	3,014	326,020
Balance, shares at Jun. 30, 2011	58,427,239	(13,274,434)
Restricted stock granted, shares	582,729
Stock-based compensation charge			2,909			2,909		2,909
Reversal of stock-based compensation charge			(134)			(134)		(134)
Reversal of stock-based compensation charge, shares	(5,976)
Treasury shares acquired, shares (Note 14)		180,656
Equity instrument charge (Note 16)			14,211			14,211		14,211
Treasury shares acquired (Note 14)		(1,129)				(1,129)		(1,129)
Utilization of APIC pool related to vested restricted stock			(56)			(56)		(56)
Liquidation of SmartSwitch Nigeria (Note 18)							280	280
Sale of 10% of SmartLife (Note 3)							188	188
Purchase accounting adjustment							(63)	(63)
Comprehensive income (loss), net of taxes:
Net income (loss)				44,651		44,651	14	44,665
Other comprehensive loss:
Net unrealized gain (loss) on available for sale investment, net of tax					1,547	1,547		1,547
Movement in foreign currency translation reserve					(43,490)	(43,490)	(127)	(43,617)
Balance at Jun. 30, 2012	$ 59	$ (175,823)	$ 153,360	$ 439,641	$ (75,722)	$ 341,515	$ 3,306	$ 344,821
Balance, shares at Jun. 30, 2012	59,003,992	(13,455,090)