Consolidated Statement Of Changes In Equity - USD ($)		Common And Treasury Stock [Member]	Treasury Stock [Member]	Number Of Shares, Net Of Treasury [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Total Net1 Equity [Member]	Non-Controlling Interest [Member]	Redeemable Common Stock [Member]	Total
Balance, Number of Shares at Jun. 30, 2015		64,736,793	(18,057,228)	46,679,565
Balance at Jun. 30, 2015		$ 64,000	$ (214,520,000)		$ 213,896,000	$ 617,868,000	$ (139,181,000)	$ 478,127,000	$ 658,000		$ 478,785,000
Issue of common stock that is redeemable for cash or other assets (Note 15)		$ 10,000		$ 9,984,311				10,000		107,682,000
Issue of common stock that is redeemable for cash or other assets (Note 15), shares		9,984,311
Repurchase of common stock (Note 15)			$ (27,107,000)					(27,107,000)			(27,107,000)
Repurchase of common stock (Note 15), shares			(2,426,704)	(2,426,704)
Restricted stock granted (Note 18), shares		319,492		319,492
Exercise of stock option (Note 18)					3,762,000			3,762,000			$ 3,762,000
Exercise of stock option (Note 18), shares		323,645		323,645							323,645
Stock-based compensation charge (Note 18)					3,598,000			3,598,000			$ 3,598,000
Income tax benefit from vested stock awards					67,000			67,000			67,000
Acquisition of non-controlling interest (Note 3 And Note 15)					(1,308,000)			(1,308,000)	(37,000)		(1,345,000)
Acquisition (Note 3)				$ 391,645	3,963,000			3,963,000			3,963,000
Acquisition (Note 3), shares		391,645
Net income						82,454,000		82,454,000	2,342,000		84,796,000
Other comprehensive income (loss) (Note 16)							(50,519,000)	(50,519,000)	(462,000)		$ (50,981,000)
Balance, Number of Shares at Jun. 30, 2016		75,755,886	(20,483,932)	55,271,954							55,271,954
Balance at Jun. 30, 2016		$ 74,000	$ (241,627,000)		223,978,000	700,322,000	(189,700,000)	493,047,000	2,501,000	107,672,000	$ 495,548,000
Sale of common stock (Note 15)		$ 5,000		$ 5,000,000	44,995,000			45,000,000			45,000,000
Sale of common stock (Note 15), shares		5,000,000
Repurchase of common stock (Note 15)			$ (45,324,000)					(45,324,000)			(45,324,000)
Repurchase of common stock (Note 15), shares			(4,407,360)	(4,407,360)
Restricted stock granted (Note 18), shares		389,587		389,587
Exercise of stock option (Note 18)		$ 1,000			2,878,000			2,879,000			$ 2,879,000
Exercise of stock option (Note 18), shares		321,026		321,026							321,026
Stock-based compensation charge (Note 18)					3,905,000			3,905,000			$ 3,905,000
Reversal of stock compensation charge (Note 18)				$ (205,470)	(1,923,000)			(1,923,000)			(1,923,000)
Reversal of stock compensation charge (Note 18), shares		(205,470)
Reversal of stock based-compensation charge related to equity-accounted investment (Note 9)											89,000
Utilization of APIC pool related to vested restricted stock					(189,000)			(189,000)			(189,000)
Dividends paid to non-controlling interest									(2,067,000)		(2,067,000)
Stock based-compensation charge related to equity-accounted investment (Note 9)					89,000			89,000			89,000
Net income						72,954,000		72,954,000	1,694,000		74,648,000
Other comprehensive income (loss) (Note 16)							27,131,000	27,131,000	638,000		$ 27,769,000
Balance, Number of Shares at Jun. 30, 2017		81,261,029	(24,891,292)	56,369,737							56,369,737
Balance at Jun. 30, 2017		$ 80,000	$ (286,951,000)		273,733,000	773,276,000	(162,569,000)	$ 597,569,000	2,766,000	107,672,000	$ 600,335,000	[1]
Redeemable Common Stock (Note 1), Balance at Jun. 30, 2017	[1]										$ 107,672,000
Restricted stock granted (Note 18), shares		618,411		618,411
Stock-based compensation charge (Note 18)					2,656,000			$ 2,656,000			$ 2,656,000
Reversal of stock compensation charge (Note 18)					(49,000)			(49,000)			(49,000)
Reversal of stock compensation charge (Note 18), shares		(302,223)		(302,223)
Reversal of stock based-compensation charge related to equity-accounted investment (Note 9)					(139,000)			(139,000)			(139,000)
Acquisition (Note 3)									94,123,000		94,123,000
Net income						39,150,000		39,150,000	(880,000)		38,270,000
Other comprehensive income (loss) (Note 16)							3,332,000	3,332,000	(98,000)		$ 3,234,000
Balance, Number of Shares at Jun. 30, 2018		81,577,217	(24,891,292)	56,685,925							56,685,925
Balance at Jun. 30, 2018		$ 80,000	$ (286,951,000)		$ 276,201,000	$ 812,426,000	$ (159,237,000)	$ 642,519,000	$ 95,911,000	$ 107,672,000	$ 738,430,000
Redeemable Common Stock (Note 1), Balance at Jun. 30, 2018											$ 107,672,000

[1] Refer to Note 1.