(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, 2021	Mar. 31, 2020		Mar. 31, 2021	Mar. 31, 2020
Net loss attributable to Net1	$ (6,204)	$ (34,881)	[1]	$ (39,696)	$ (39,478)	[1]
Undistributed (loss) earnings	$ (6,204)	$ (34,881)		$ (39,696)	$ (39,478)
Percent allocated to common shareholders (Calculation 1)	99.00%	99.00%		99.00%	99.00%
Numerator for (loss) earnings per share: basic and diluted	$ (6,172)	$ (34,377)		$ (39,300)	$ (39,017)
Continuing	(6,172)	(47,662)		(39,300)	(57,928)
Discontinued	$ 0	$ 13,285		$ 0	$ 18,911
Denominator for basic (loss) earnings per share: weighted-average common shares outstanding	56,352,000	55,982,000		56,236,000	55,984,000
Stock options	275,000	0		92,000	0
Denominator for diluted (loss) earnings per share: adjusted weighted average common shares outstanding and assuming conversion	56,627,000	55,982,000		56,328,000	55,984,000
(Loss) Earnings per share: Basic	$ (0.11)	$ (0.61)	[1]	$ (0.70)	$ (0.69)	[1]
Continuing	(0.11)	(0.85)	[1]	(0.70)	(1.03)	[1]
Discontinued	0	0.24	[1]	0	0.34	[1]
(Loss) Earnings per share: Diluted	(0.11)	(0.61)	[1]	(0.70)	(0.69)	[1]
Continuing	(0.11)	(0.85)	[1]	(0.70)	(1.03)	[1]
Discontinued	$ 0	$ 0.24	[1]	$ 0	$ 0.34	[1]
Basic weighted-average common shares outstanding (A)	56,352,000	55,982,000		56,236,000	55,984,000
Basic weighted-average common shares outstanding and unvested restricted shares expected to vest (B)	56,646	56,803		56,803	56,646
Continuing [Member]
Undistributed (loss) earnings	$ (6,204)	$ (48,361)		$ (39,696)	$ (58,613)
Discontinued [Member]
Undistributed (loss) earnings	$ 0	$ 13,480		$ 0	$ 19,135

[1] Certain amounts have been restated to correct the misstatement discussed in Note 1.