Unaudited Quarterly Results (Schedule Of Unaudited Consolidated Statements Of Operations) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Unaudited Quarterly Results [Abstract]
Revenue	$ 151,259	$ 134,736	$ 150,281	$ 154,473	$ 164,286	$ 151,121	$ 154,131	$ 156,441	$ 590,749	$ 625,979	$ 581,656
Operating income	32,183	26,191	24,779	31,215	32,613	31,966	30,815	33,125	114,368	128,519	101,798
Net income attributable to Net1	$ 24,356	$ 18,420	$ 16,658	$ 23,020	$ 23,914	$ 24,358	$ 22,374	$ 24,089	$ 82,454	$ 94,735	$ 70,111
Basic earnings attributable to Net1 shareholders	$ 0.48	$ 0.40	$ 0.35	$ 0.49	$ 0.51	$ 0.52	$ 0.48	$ 0.51	$ 1.72	$ 2.03	$ 1.51
Diluted earnings attributable to Net1 shareholders	$ 0.47	$ 0.39	$ 0.35	$ 0.48	$ 0.51	$ 0.52	$ 0.48	$ 0.51	$ 1.71	$ 2.02	$ 1.50