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CASH AND CASH EQUIVALENTS - Foreign Denominated Cash (Details)
R in Millions, $ in Millions
Jun. 30, 2024
ZAR (R)
Jun. 30, 2024
USD ($)
Jun. 30, 2023
ZAR (R)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
ZAR (R)
Jun. 30, 2021
ZAR (R)
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Foreign denominated cash | R R 521.5   R 2,471.4   R 2,525.6 R 2,180.0
Currency risk            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Percentage of reasonably possible increase decrease in foreign exchange 10.00% 10.00%        
Foreign denominated            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Foreign denominated cash | $   $ 0.0   $ 3.7