Accumulated Other Comprehensive Loss (Change In Accumulated Other Comprehensive (Loss) Income Per Component) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Feb. 03, 2021	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021		Mar. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		$ (141,242)	$ (190,978)	$ (169,075)	[1]	$ (195,812)
Movement in foreign currency translation reserve related to equity-accounted investment		0	0	1,688		2,227
Movement in foreign currency translation reserve		(2,470)	(41,212)	23,675		(40,183)
Ending Balance		(146,174)	(217,962)	(146,174)		(217,962)
Bank Frick [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Release of foreign currency translation reserve related to disposal	$ (2,462)	(2,462)	0	(2,462)
Net1 Korea [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Release of foreign currency translation reserve related to disposal		0	14,228	0		14,228
FIHRST [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Release of foreign currency translation reserve related to disposal		0	0	0		1,578
Accumulated Foreign Currency Translation Reserve [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		(141,242)	(190,978)	(169,075)		(195,812)
Movement in foreign currency translation reserve related to equity-accounted investment				1,688		2,227
Movement in foreign currency translation reserve		(2,470)	(41,212)	23,675		(40,183)
Ending Balance		(146,174)	(217,962)	(146,174)		(217,962)
Accumulated Foreign Currency Translation Reserve [Member] | Bank Frick [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Release of foreign currency translation reserve related to disposal		$ (2,462)		$ (2,462)
Accumulated Foreign Currency Translation Reserve [Member] | Net1 Korea [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Release of foreign currency translation reserve related to disposal			$ 14,228			14,228
Accumulated Foreign Currency Translation Reserve [Member] | FIHRST [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Release of foreign currency translation reserve related to disposal						$ 1,578

[1] Derived from audited financial statements.