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Borrowings - Disclosure of Effective Interest Rates (Details) - Effective Interest Rate | Jun. 30, 2019 | Jun. 30, 2018
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R1 billion revolving credit facility |  |
Disclosure of detailed information about borrowings [line items] |  |
Interest rate | 10.10% | 10.20%
R2 billion facility |  |
Disclosure of detailed information about borrowings [line items] |  |
Interest rate | 10.00% | 0.00%
Westpac fleet loan |  |
Disclosure of detailed information about borrowings [line items] |  |
Interest rate | 5.50% | 0.00%
US$250 million revolving credit facility |  |
Disclosure of detailed information about borrowings [line items] |  |
Interest rate | 0.00% | 4.20%
US$350 million facility |  |
Disclosure of detailed information about borrowings [line items] |  |
Interest rate | 5.60% | 4.80%
US$200 million bridge loan |  |
Disclosure of detailed information about borrowings [line items] |  |
Interest rate | 5.10% | 4.50%

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- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_7&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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