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INCOME TAX - Deferred tax assets have not been recognised (Details) - ZAR (R)
R in Millions
Jun. 30, 2023
Jun. 30, 2022
Estimated tax losses    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets have not been recognised R 17.2 R 18.1
Estimated tax losses - Capital nature    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets have not been recognised 313.6 313.6
Unredeemed capital expenditure    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets have not been recognised R 252.0 R 252.0