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Cash and cash equivalents (Tables) | 12 Months Ended
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Dec. 31, 2017
Cash and cash equivalents [abstract] |
Schedule of cash and cash equivalents |
|  | December 31, 2017 |  | December 31, 2016 |
|  | $M |  | $M |
| Cash at bank and in hand | 13.3 |  |  | 13.6 |  |
| Overdrafts | (4.2 | ) |  | — |  |
|  | 9.1 |  |  | 13.6 |  |
In 2017, $0.7 million (2016: nil) of the $13.3 million cash at bank and in hand balance was held in escrow, as described further in Note 25.

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