(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		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Net (loss) income attributable to Net1	$ (205)	$ (63,941)	$ (4,597)	$ (69,140)
Undistributed (loss) earnings	$ (205)	$ (63,941)	$ (4,597)	$ (69,140)
Percent allocated to common shareholders (Calculation 1)	99.00%	98.00%	99.00%	99.00%
Numerator for (loss) earnings per share: basic and diluted	$ (203)	$ (62,972)	$ (4,550)	$ (68,146)
Continuing	(203)	(64,477)	(4,550)	(71,570)
Discontinued	$ 0	$ 1,505	$ 0	$ 3,424
Denominator for basic (loss) earnings per share: weighted-average common shares outstanding	55,985	55,973	55,985	55,962
Effect of dilutive securities: Stock options	0	21	0	36
Denominator for diluted (loss) earnings per share: adjusted weighted average common shares outstanding and assuming conversion	55,985	55,994	55,985	55,998
(Loss) Earnings per share: Basic	$ 0	$ (1.13)	$ (0.08)	$ (1.22)
Continuing	0	(1.16)	(0.08)	(1.28)
Discontinued	0	0.03	0	0.06
(Loss) Earnings per share: Diluted	0	(1.12)	(0.08)	(1.22)
Continuing	0	(1.15)	(0.08)	(1.28)
Discontinued	$ 0	$ 0.03	$ 0	$ 0.06
Basic weighted-average common shares outstanding (A)	55,985	55,973	55,985	55,962
Basic weighted-average common shares outstanding and unvested restricted shares expected to vest (B)	56,568	56,834	56,568	56,778
Continuing [Member]
Undistributed (loss) earnings	$ (205)	$ (65,469)	$ (4,597)	$ (72,614)
Discontinued [Member]
Undistributed (loss) earnings	$ 0	$ 1,528	$ 0	$ 3,474