Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Condensed Consolidated Statements Of Comprehensive Income [Abstract]
Net income	$ 3,311	$ 19,016	$ 33,017	$ 63,491
Other comprehensive income (loss)
Movement in foreign currency translation reserve	20,683	24,158	60,320	25,694
Net unrealized income on asset available for sale, net of tax	29,366		29,366
Movement in foreign currency translation reserve related to equity-accounted investments			(227)
Total other comprehensive income, net of taxes	50,049	24,158	89,459	25,694
Comprehensive income	53,360	43,174	122,476	89,185
Less comprehensive income attributable to non-controlling interest	(473)	(649)	(1,274)	(2,330)
Comprehensive income attributable to Net1	$ 52,887	$ 42,525	$ 121,202	$ 86,855