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REVENUE - Market risk (Details) - ZAR (R) R in Millions | 12 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021
Commodity price risk |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Percentage of reasonably possible change, market risk | 20.00% |  |
Commodity price risk | Top of range |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Gains (losses) from change in fair value of derivatives recognised in profit and loss | R 1,099.3 | R 1,023.7 | R 1,053.8
Commodity price risk | Bottom of range |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Gains (losses) from change in fair value of derivatives recognised in profit and loss | R (1,099.3) | (1,023.7) | (1,053.8)
Currency risk |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Percentage of reasonably possible change, market risk | 20.00% |  |
Currency risk | Top of range |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Gains (losses) from change in fair value of derivatives recognised in profit and loss | R 1,099.3 | 1,023.7 | 1,053.8
Currency risk | Bottom of range |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Gains (losses) from change in fair value of derivatives recognised in profit and loss | R (1,099.3) | R (1,023.7) | R (1,053.8)

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- Definition The reasonably possible percentage of the increase (decrease) market risk sensitivity. + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The gains (losses) resulting from change in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 85 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_85&doctype=Standard -URIDate 2023-03-23 + Details
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- Details
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