Borrowings (Summary Of Short-Term Credit Facilities) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Short-term Debt [Line Items]
Short-term facility available	$ 107,675
Utilized	146,068	$ 138,905
Overdraft Restricted As To Use For ATM Funding Only [Member]
Short-term Debt [Line Items]
Short-term facility available	13,766
No Restrictions As To Use [Member]
Short-term Debt [Line Items]
Short-term facility available	77,723
Nedbank Short-Term Credit Facility [Member]
Short-term Debt [Line Items]
Short-term facility available	16,186
Overdraft Facility [Member]
Short-term Debt [Line Items]
Beginning Balance	66,218
Utilized	146,068
Repaid	(136,922)
Foreign currency adjustment	(6,032)
Ending Balance	69,332
Overdraft Facility [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member]
Short-term Debt [Line Items]
Beginning Balance	51,338
Ending Balance	57,951
Overdraft Facility [Member] | No Restrictions As To Use [Member]
Short-term Debt [Line Items]
Beginning Balance	14,880
Ending Balance	11,381
Indirect And Derivative Facilities [Member]
Short-term Debt [Line Items]
Beginning Balance	5,967
Utilized	1,634
Foreign currency adjustment	(649)
Ending Balance	6,952
RMB Facility E [Member]
Short-term Debt [Line Items]
Short-term facility available	77,723
RMB Facility E [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member]
Short-term Debt [Line Items]
Short-term facility available	0
RMB Facility E [Member] | No Restrictions As To Use [Member]
Short-term Debt [Line Items]
Short-term facility available	77,723
RMB Facility E [Member] | Nedbank Short-Term Credit Facility [Member]
Short-term Debt [Line Items]
Short-term facility available	0
RMB Facility E [Member] | Overdraft Facility [Member]
Short-term Debt [Line Items]
Beginning Balance	51,338
Utilized	145,497
Repaid	(134,130)
Foreign currency adjustment	(4,754)
Ending Balance	$ 57,951
Interest rate	9.75%
RMB Facility E [Member] | Overdraft Facility [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member]
Short-term Debt [Line Items]
Beginning Balance	$ 51,338
Ending Balance	57,951
RMB Facility E [Member] | Overdraft Facility [Member] | No Restrictions As To Use [Member]
Short-term Debt [Line Items]
Beginning Balance	0
Ending Balance	0
RMB Facility E [Member] | Indirect And Derivative Facilities [Member]
Short-term Debt [Line Items]
Beginning Balance	0
Utilized	0
Foreign currency adjustment	0
Ending Balance	0
RMB Indirect [Member]
Short-term Debt [Line Items]
Short-term facility available	7,495
RMB Indirect [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member]
Short-term Debt [Line Items]
Short-term facility available	0
RMB Indirect [Member] | No Restrictions As To Use [Member]
Short-term Debt [Line Items]
Short-term facility available	0
RMB Indirect [Member] | Nedbank Short-Term Credit Facility [Member]
Short-term Debt [Line Items]
Short-term facility available	7,495
RMB Indirect [Member] | Overdraft Facility [Member]
Short-term Debt [Line Items]
Beginning Balance	0
Utilized	0
Repaid	0
Foreign currency adjustment	0
Ending Balance	0
RMB Indirect [Member] | Overdraft Facility [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member]
Short-term Debt [Line Items]
Beginning Balance	0
Ending Balance	0
RMB Indirect [Member] | Overdraft Facility [Member] | No Restrictions As To Use [Member]
Short-term Debt [Line Items]
Beginning Balance	0
Ending Balance	0
RMB Indirect [Member] | Indirect And Derivative Facilities [Member]
Short-term Debt [Line Items]
Beginning Balance	313
Utilized	1,634
Foreign currency adjustment	(109)
Ending Balance	1,838
RMB Connect [Member]
Short-term Debt [Line Items]
Short-term facility available	13,766
RMB Connect [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member]
Short-term Debt [Line Items]
Short-term facility available	13,766
RMB Connect [Member] | No Restrictions As To Use [Member]
Short-term Debt [Line Items]
Short-term facility available	0
RMB Connect [Member] | Nedbank Short-Term Credit Facility [Member]
Short-term Debt [Line Items]
Short-term facility available	0
RMB Connect [Member] | Overdraft Facility [Member]
Short-term Debt [Line Items]
Beginning Balance	14,880
Utilized	571
Repaid	(2,792)
Foreign currency adjustment	(1,278)
Ending Balance	$ 11,381
Interest rate	9.65%
RMB Connect [Member] | Overdraft Facility [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member]
Short-term Debt [Line Items]
Beginning Balance	$ 0
Ending Balance	0
RMB Connect [Member] | Overdraft Facility [Member] | No Restrictions As To Use [Member]
Short-term Debt [Line Items]
Beginning Balance	14,880
Ending Balance	11,381
RMB Connect [Member] | Indirect And Derivative Facilities [Member]
Short-term Debt [Line Items]
Beginning Balance	0
Utilized	0
Foreign currency adjustment	0
Ending Balance	0
Nedbank Facilities [Member]
Short-term Debt [Line Items]
Short-term facility available	8,691
Nedbank Facilities [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member]
Short-term Debt [Line Items]
Short-term facility available	0
Nedbank Facilities [Member] | No Restrictions As To Use [Member]
Short-term Debt [Line Items]
Short-term facility available	0
Nedbank Facilities [Member] | Nedbank Short-Term Credit Facility [Member]
Short-term Debt [Line Items]
Short-term facility available	8,691
Nedbank Facilities [Member] | Overdraft Facility [Member]
Short-term Debt [Line Items]
Beginning Balance	0
Utilized	0
Repaid	0
Foreign currency adjustment	0
Ending Balance	$ 0
Interest rate	0.00%
Nedbank Facilities [Member] | Overdraft Facility [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member]
Short-term Debt [Line Items]
Beginning Balance	$ 0
Ending Balance	0
Nedbank Facilities [Member] | Overdraft Facility [Member] | No Restrictions As To Use [Member]
Short-term Debt [Line Items]
Beginning Balance	0
Ending Balance	0
Nedbank Facilities [Member] | Indirect And Derivative Facilities [Member]
Short-term Debt [Line Items]
Beginning Balance	5,654
Utilized	0
Foreign currency adjustment	(540)
Ending Balance	$ 5,114
South Africa [Member] | Overdraft Facility [Member] | Nedbank Short-Term Credit Facility [Member] | Prime Rate [Member]
Short-term Debt [Line Items]
Margin	0.10%