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DISCONTINUED OPERATIONS (Details 1) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Assets [Abstract] |  |
Trade and other current receivables | $ 27.1 | $ 37.1
Inventories | 193.2 | 150.4
Current income tax receivable | 12.9 | 12.5
Prepaid expenses and other | 5.6 | 6.1
Deferred tax assets | 171.6 | 224.9
Assets held for sale | 109.0 | 0.0
Liabilities [abstract] |  |
Trade and other payables | 178.2 | 169.2
Current income tax payable | 0.0 | 6.2
Reclamation and closure cost obligations | 121.5 | 81.0
Provisions | 2.6 | 12.0
Deferred tax liabilities |  | 5.8
Liabilities held for sale | 62.8 | $ 0.0
Discontinued operations [member] |  |
Assets [Abstract] |  |
Trade and other current receivables | 3.4 |
Inventories | 10.0 |
Current income tax receivable |  |
Prepaid expenses and other | 1.1 |
Mining interests | 85.3 |
Deferred tax assets | 9.2 |
Assets held for sale | 109.0 |
Liabilities [abstract] |  |
Trade and other payables | 16.9 |
Current income tax payable | 7.7 |
Reclamation and closure cost obligations | 18.0 |
Provisions | 9.1 |
Deferred tax liabilities | 11.1 |
Liabilities held for sale | 62.8 |
Net assets held for sale | $ 46.2 |

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