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Finance Expense (Tables) | 12 Months Ended
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Dec. 31, 2017
Text block1 [abstract] |
Summary of Finance Expense |
|  | UNITED STATES DOLLAR |
|  | 2017 |  |  | 2016 |  |  | 2015 |
|  |  |  |  | Restated1 |  |  | Restated1 |
Interest expense – environmental rehabilitation |  |  | (12.1 | ) |  |  | (10.7 | ) |  |  | (11.7 | )
Unwinding of discount on silicosis settlement costs |  |  | (0.9 | ) |  |  | — |  |  |  | — |
Interest expense – borrowings |  |  | (91.2 | ) |  |  | (82.5 | ) |  |  | (87.8 | )
Borrowing costs capitalised |  |  | 22.9 |  |  |  | 15.1 |  |  |  | 16.6 |
Total finance expense |  |  | (81.3 | ) |  |  | (78.1 | ) |  |  | (82.9 | )

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