EARNINGS PER SHARE (Details) - ZAR (R) R / shares in Units, R in Millions	12 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Basic Earnings Per Share [Abstract]
Profit/(loss) for the year	R 1,439.9	R 635.0	R 78.5
Reconciliation of weighted average number of ordinary shares to diluted weighted average number of ordinary shares [Abstract]
Weighted average number of ordinary shares in issue	855,113,791	769,941,874	664,553,283
Effect of Sibanye-Stillwater Option	0	9,464,684	15,387,695
Effect of equity-settled share-based payment	5,935,215	4,283,001	0
Diluted weighted average number of ordinary shares	861,049,006	783,689,559	679,940,978
SA cents per share [Abstract]
Basic earnings per share	R 168.4	R 82.5	R 11.8
Diluted earnings per share	R 167.2	R 81.0	R 11.5

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- Definition

This element represents the weighted average total number of shares issued throughout the period related to effect of equity-settled sharebased payment.

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- Definition

This element represents the weighted average total number of shares issued throughout the period including the first (beginning balance outstanding) and last (ending balance outstanding) day of the period before considering any reductions (for instance, shares held in treasury) to arrive at the weighted average number of shares outstanding. Weighted average relates to the portion of time within a reporting period that common shares have been issued and outstanding to the total time in that period. Such concept is used in determining the weighted average number of shares outstanding for purposes of calculating earnings per share (basic) Option granted to Sibanye-Stillwater to acquire up to 50.1% ordinary shares.

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- Definition

The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]

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- Definition

The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator).

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The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator), divided by the weighted average number of ordinary shares outstanding during the period (the denominator), both adjusted for the effects of all dilutive potential ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]

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- Definition

The total of income less expenses from continuing and discontinued operations, excluding the components of other comprehensive income. [Refer: Other comprehensive income]

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The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor.

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