(Loss) Earnings Per Share (Income From Continuing Operations And Share Data Used In Basic And Diluted Earnings Per Share Computations) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended			9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	[1]	Mar. 31, 2020	Mar. 31, 2019	[1]
Net loss attributable to Net1	$ (34,881)	$ (58,819)		$ (39,478)	$ (127,959)
Undistributed (loss) earnings	$ (34,881)	$ (58,819)		$ (39,478)	$ (127,959)
Percent allocated to common shareholders (Calculation 1)	99.00%	98.00%		99.00%	99.00%
Numerator for (loss) earnings per share: basic and diluted	$ (30,141)	$ (57,932)		$ (34,769)	$ (126,089)
Continuing	(47,662)	(50,280)		(57,928)	(125,578)
Discontinued	$ 13,285	$ (7,652)		$ 18,911	$ (510)
Denominator for basic (loss) earnings per share: weighted-average common shares outstanding	55,982	55,971		55,984	55,965
Stock options	0	0		0	24
Denominator for diluted (loss) earnings per share: adjusted weighted average common shares outstanding and assuming conversion	55,982	55,971		55,984	55,989
(Loss) Earnings per share: Basic	$ (0.61)	$ (1.03)		$ (0.69)	$ (2.25)
Continuing	(0.85)	(0.9)		(1.03)	(2.24)
Discontinued	0.24	(0.13)		0.34	(0.01)
(Loss) Earnings per share: Diluted	(0.61)	(1.03)		(0.69)	(2.25)
Continuing	(0.85)	(0.9)		(1.03)	(2.24)
Discontinued	$ 0.24	$ (0.13)		$ 0.34	$ (0.01)
Basic weighted-average common shares outstanding (A)	55,982	55,971		55,984	55,965
Basic weighted-average common shares outstanding and unvested restricted shares expected to vest (B)	56,803	56,828		56,646	56,795
Continuing [Member]
Undistributed (loss) earnings	$ (48,361)	$ (51,050)		$ (58,613)	$ (127,441)
Discontinued [Member]
Undistributed (loss) earnings	$ 13,480	$ (7,769)		$ 19,135	$ (518)

[1] Refer to Note 1