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INVESTMENTS IN REHABILITATION AND OTHER FUNDS - Environmental obligations (Details) - ZAR (R) R in Millions | 12 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021
Changes in investments in rehabilitation obligation funds movement [abstract] |  |  |
Cash and cash equivalents in environmental rehabilitation trust funds | R 0.0 | R 0.0 | R 564.7
Opening balance | 0.0 | 564.7 |
Transfer to Investment in Guardrisk Cell Captive | 0.0 | (579.5) |
Growth | 0.0 | 14.8 |
Reimbursive right for environmental rehabilitation guarantees | 0.0 | 0.0 | 87.5
Opening balance | 0.0 | 87.5 |
Lapsing of old environmental rehabilitation policy retained in Guardrisk Cell Captive | 0.0 | (89.3) |
Growth | 0.0 | 1.8 |
Investment in Guardrisk Cell Captive | 789.7 | 710.8 | 0.0
Opening balance | 710.8 | 0.0 |
Transfer to Guardrisk cell captive | 0.0 | 668.8 |
Contributions | 28.4 | 28.9 |
Growth | 50.5 | 13.1 | R 0.0
Investments in rehabilitation and other funds | 789.7 | 710.8 |
Environmental rehabilitation |  |  |
Changes in investments in rehabilitation obligation funds movement [abstract] |  |  |
Investments in rehabilitation and other funds | 630.6 | 589.8 |
Directors’ and Officers’ insurance |  |  |
Changes in investments in rehabilitation obligation funds movement [abstract] |  |  |
Investments in rehabilitation and other funds | 61.3 | 29.5 |
Other funds |  |  |
Changes in investments in rehabilitation obligation funds movement [abstract] |  |  |
Investments in rehabilitation and other funds | R 97.8 | R 91.5 |

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