Borrowings (Narrative) (Details)								12 Months Ended
	Jul. 22, 2022	Jul. 01, 2022 ZAR (R)	Mar. 22, 2022 ZAR (R)	Jun. 01, 2021 ZAR (R)	Mar. 31, 2020 USD ($)	Sep. 04, 2019 USD ($)	Sep. 04, 2019 ZAR (R)	Jun. 30, 2022 USD ($)	Jun. 30, 2022 ZAR (R)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2020 ZAR (R)	Nov. 30, 2022 ZAR (R)	Sep. 06, 2022 ZAR (R)	Jun. 30, 2022 ZAR (R)	Apr. 14, 2022 ZAR (R)	Jan. 24, 2022 ZAR (R)	Aug. 02, 2021 USD ($)	Aug. 02, 2021 ZAR (R)	Aug. 01, 2021 USD ($)	Aug. 01, 2021 ZAR (R)	Jun. 30, 2021 ZAR (R)	May 31, 2021 ZAR (R)	Nov. 02, 2020 ZAR (R)	Nov. 01, 2020 ZAR (R)	Sep. 04, 2019 ZAR (R)	Feb. 04, 2019 USD ($)	Sep. 26, 2018 USD ($)	Sep. 26, 2018 ZAR (R)	Sep. 14, 2018 USD ($)	Mar. 08, 2018 ZAR (R)	Jul. 21, 2017 ZAR (R)
Maximum borrowing capacity | $								$ 119,059,000
Revolving Credit Facility [Member]
Maximum borrowing capacity															R 150,000,000.0
Debt interest expense | $								$ 200,000
Commitment fee per annum payable on monthly unutilized amount								1.50%	1.50%
Unsecured Limited Guarantee Amount															10,000,000.0
South Africa [Member] | Long-term Debt [Member]
Interest expense incurred | $								$ 2,300,000		$ 0	$ 600,000
Prepaid credit facility fees | $								200,000		0	0
Amended July 2017 [Member] | Amendment [Member] | South Africa [Member] | Facility F [Member] | Lesaka [Member] | Long-term Debt [Member]
Maximum borrowing capacity						$ 17,300,000																				R 300,000,000.0
Non-refundable structuring fee						$ 100,000	R 2,200,000
Amended July 2017 [Member] | Amendment [Member] | South Africa [Member] | First Senior Facility F [Member] | Lesaka [Member] | Long-term Debt [Member]
Maximum borrowing capacity																										220,000,000.0
Amended July 2017 [Member] | Amendment [Member] | South Africa [Member] | Second Senior Facility F [Member] | Lesaka [Member] | Long-term Debt [Member]
Maximum borrowing capacity																										R 80,000,000.0
Overdraft Restricted As To Use For ATM Funding Only [Member]
Maximum borrowing capacity | $								85,941,000
JIBAR [Member] | Amended July 2017 [Member] | Amendment [Member] | South Africa [Member] | Facility F [Member] | Lesaka [Member] | Long-term Debt [Member]
Debt instrument variable interest rate						5.50%	5.50%
Overdraft Facility [Member]
Maximum borrowing capacity | $								15,221,000
Amount utilized | $								66,218,000		14,245,000	14,814
Overdraft Facility [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member]
Amount utilized | $								51,338,000		14,245,000
CCMS Facilities [Member]
Non-refundable structuring fee									R 5,500,000
CCMS Facilities [Member] | Facility A [Member]
Maximum borrowing capacity															700,000,000.0
CCMS Facilities [Member] | Facility B [Member]
Maximum borrowing capacity															350,000,000.0
CCMS Facilities [Member] | Asset Backed Facility [Member]
Maximum borrowing capacity															70,700,000
CCMS Facilities [Member] | Overdraft Facility [Member]
Maximum borrowing capacity															248,000,000.0
CCMS Facilities [Member] | Overdraft Facility [Member] | Scenario Forecast [Member]
Maximum borrowing capacity													R 205,000,000.0
Indirect And Derivative Facilities [Member]
Maximum borrowing capacity | $								17,897,000
Amount utilized | $								5,967,000		10,947,000	$ 5,398,000
Nedbank Limited [Member] | Subsequent Event [Member]
Bank guarantee cancelled amount		R 60,000,000.0
Release cash held pledged in bank		R 60,000,000.0
Nedbank Limited [Member] | South African Credit Facility [Member] | South Africa [Member]
Maximum borrowing capacity | $										200,000
Nedbank Limited [Member] | South African Credit Facility [Member] | Overdraft Restricted As To Use For ATM Funding Only [Member] | South Africa [Member]
Maximum borrowing capacity								9,500,000							155,100,000
Nedbank Limited [Member] | South African Credit Facility [Member] | Nedbank Short-Term Credit Facility [Member] | South Africa [Member]
Maximum borrowing capacity								9,600,000							156,600,000
Total overdraft facilities withdrawn | $										200,000
Net of total overdraft facilities withdrawn | $								0
Bank guarantee cancelled amount								15,000,000.0	R 250,000,000.0
Nedbank Limited [Member] | Overdraft Facility [Member] | South Africa [Member]
Maximum borrowing capacity															250,000,000.0
Nedbank Limited [Member] | Overdraft Facility [Member] | Indirect And Derivative Facilities [Member] | South Africa [Member]
Maximum borrowing capacity								9,600,000							156,600,000							R 156,600,000
Amount utilized								$ 5,700,000		$ 10,900,000					92,100,000							R 156,600,000
Nedbank Limited [Member] | Overdraft Facility [Member] | Indirect And Derivative Facilities [Member] | Amendment [Member] | South Africa [Member]
Maximum borrowing capacity				R 157,000,000.0																			R 159,000,000.0	R 159,000,000.0	R 150,000,000.0
Credit facility settled in full and cancelled				R 50,000,000
Bank Frick [Member] | Overdraft Facility [Member] | Renewed [Member] | United States [Member]
Maximum borrowing capacity | $																											$ 20,000,000.0			$ 10,000,000.0
Credit facility settled in full and cancelled | $					$ 20,000,000
RMB Loan Facilities [Member] | RMB Member [Member] | Subsequent Event [Member]
Guarantee amount														R 28,000,000.0
RMB Loan Facilities [Member] | Facility G [Member] | Long-term Debt [Member]
Maximum borrowing capacity			R 750,000,000.0												768,975,000		R 750,000,000.0
Non-refundable origination fee															11,250,000
RMB Loan Facilities [Member] | Facility H [Member] | Long-term Debt [Member]
Maximum borrowing capacity																	R 350,000,000
Non-refundable origination fee															5,250,000
Benchmark of market capitalization under facility agreement															R 3,250,000,000
Asset cover ratio								5.00							5.00
RMB Loan Facilities [Member] | Facility H [Member] | Long-term Debt [Member] | Facility Agreement Scenario 1 [Member]
Minimum group cash balance			225,000,000.0
RMB Loan Facilities [Member] | Facility H [Member] | Long-term Debt [Member] | Facility Agreement Scenario 2 [Member]
Minimum group cash balance reduction			R 80,000,000
RMB Loan Facilities [Member] | Facility H [Member] | Long-term Debt [Member] | Facility Agreement Scenario 3 [Member]
Minimum group cash balance															R 340,000,000
RMB Loan Facilities [Member] | Maximum [Member] | Facility H [Member] | Long-term Debt [Member] | Facility Agreement Scenario 2 [Member]
Minimum group cash balance																R 350,000,000
RMB Loan Facilities [Member] | Minimum [Member] | Facility H [Member] | Long-term Debt [Member] | Facility Agreement Scenario 2 [Member]
Minimum group cash balance																R 300,000,000
RMB Loan Facilities [Member] | Amendment [Member] | South Africa [Member] | Facility D [Member] | Lesaka [Member] | Long-term Debt [Member]
Maximum borrowing capacity																															R 210,000,000.0
Credit facility settled in full and cancelled												R 210,000,000.0
RMB Loan Facilities [Member] | Amended July 2017 [Member] | South Africa [Member] | Facility E [Member] | Lesaka [Member]
Maximum borrowing capacity																												$ 92,100,000	R 1,500,000,000
RMB Loan Facilities [Member] | Amended July 2017 [Member] | Amendment [Member] | South Africa [Member] | Lesaka [Member] | Long-term Debt [Member]
Long-term borrowings																																R 1,250,000,000
Credit facility settled in full and cancelled												R 1,250,000,000
RMB Loan Facilities [Member] | JIBAR [Member] | Facility G [Member] | Long-term Debt [Member]
Debt instrument variable interest rate								5.00%	5.00%
RMB Loan Facilities [Member] | Overdraft Facility [Member] | Amended July 2017 [Member] | South Africa [Member] | Facility E [Member]
Maximum borrowing capacity																		$ 85,900,000	R 1,400,000
RMB Loan Facilities [Member] | Overdraft Facility [Member] | Amended July 2017 [Member] | South Africa [Member] | Facility E [Member] | Lesaka [Member]
Maximum borrowing capacity																				$ 73,700,000	R 1,200,000,000
Percentage repayment of overdraft facility amount utilized								90.00%	90.00%
Amount utilized								$ 51,300,000							800,000,000
Credit facility expiration period								25 days	25 days
RMB Loan Facilities [Member] | Overdraft Facility [Member] | Prime Rate [Member] | Amended July 2017 [Member] | South Africa [Member] | Facility E [Member]
Debt instrument variable interest rate								8.25%	8.25%
RMB Loan Facilities [Member] | Overdraft Facility [Member] | Prime Rate [Member] | Amended July 2017 [Member] | South Africa [Member] | Facility E [Member] | Subsequent Event [Member]
Debt instrument variable interest rate	9.00%
RMB Loan Facilities [Member] | Indirect Credit Facility [Member]
Maximum borrowing capacity								$ 8,300,000							R 135,000,000.0
Total overdraft facilities withdrawn								$ 300,000	R 5,100,000