| United States Dollar | |||||||
| Figures in millions unless otherwise stated | 2018 | 2017 | 2016 | ||||
| 29. | CHANGE IN WORKING CAPITAL | ||||||
| Inventories | 0.8 | (55.1) | (39.2) | ||||
| Trade and other receivables | 15.0 | (2.2) | 2.8 | ||||
| Trade and other payables | (32.1) | (12.1) | 34.1 | ||||
| Total change in working capital | (16.3) | (69.4) | (2.3) | ||||