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Going concern (Details) R in Millions	Jun. 30, 2021 ZAR (R)	Dec. 31, 2020	Jun. 30, 2020 ZAR (R)	Jun. 30, 2019 ZAR (R)	Jun. 30, 2018 ZAR (R)
Going concern
Gearing ratio	61.50%		117.00%	56.30%
Net debt to EBITDA	1.5		4.3
Net debt to EBITDA under the debt covenant	3.0	4.0
Cash and cash equivalents	R 30,988		R 34,094	R 15,819	R 17,039
Available facilities	R 54,651		R 10,500

X

- Definition

The amount of cash and cash equivalents in the statement of cash flows when different from the amount of cash and cash equivalents in the statement of financial position. [Refer: Cash and cash equivalents]

+ References

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- Definition

The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments]

+ References

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-Name IAS
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- Definition

The net debt-to-EBITDA (earnings before interest depreciation and amortization) ratio is a measurement of leverage, calculated as a company's interest-bearing liabilities minus cash or cash equivalents, divided by its EBITDA as described by the debt covenant.

+ References

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- Definition

The entity's actual gearing ratio for the period, calculated as net borrowings divided by shareholders' equity.

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- Definition

The net debt-to-EBITDA (earnings before interest depreciation and amortization) ratio is a measurement of leverage, calculated as a company's interest-bearing liabilities minus cash or cash equivalents, divided by its EBITDA.

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