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CAPITAL MANAGEMENT - Narrative (Details) R in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2022 | Sep. 30, 2020 ZAR (R) | Dec. 31, 2018 ZAR (R)
Bottom of Range [member] |  |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |  |
Interest coverage ratio | 0.25 |  |
Top of range [member] |  |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |  |
Debt ratio | 0.50 |  |
Committed revolving credit facility (RCF) [member] | Guarantee Ekurhuleni Local Municipality [member] |  |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |  |
Undrawn Borrowing Facilities |  |  | R 125
Uncommitted revolving credit facility (RCF) [member] |  |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |  |
Borrowings, maturity | September 14, 2022 |  |
Uncommitted revolving credit facility (RCF) [member] | Bottom of Range [member] |  |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |  |
Undrawn Borrowing Facilities |  | R 200 |
Increase (decrease) to interest rate margin | 2.75% |  |
Uncommitted revolving credit facility (RCF) [member] | Top of range [member] |  |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |  |
Undrawn Borrowing Facilities |  | R 300 |
Increase (decrease) to interest rate margin | 3.25% |  |

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