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PAYMENTS MADE UNDER PROTEST - Summary of payments made under protest (Details) - ZAR (R)
R in Millions
12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Other assets details [abstract]      
Balance at the beginning of the year R 40.4 R 40.5  
Payments made under protest 12.6 15.2  
Discount on initial payment made under protest and change in estimate (19.0) (21.1) R (7.4)
Unwinding 5.7 5.8 4.8
Balance at the end of the year R 39.7 R 40.4 R 40.5