Borrowings (Narrative-RMB Facility, Comprising Indirect Facilities) (Details) $ in Thousands, R in Millions	Jun. 30, 2024 USD ($)	Jun. 30, 2024 ZAR (R)	Jun. 30, 2023 USD ($)	Jun. 30, 2023 ZAR (R)	Jun. 30, 2022 USD ($)
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 76,815
Derivative Facilities [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	16,036
Amount utilized	1,937		$ 1,869		$ 5,967
Rmb Loan Facilities [Member] | Indirect Credit Facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	7,400	R 135.0
Amount utilized	$ 1,800	33.1	$ 1,800	R 33.1
Rmb Loan Facilities [Member] | Derivative Facilities [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity | R		R 135.0		R 135.0