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DEFERRED INCOME TAX (Changes in deferred tax assets and liabilities) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax liability, beginning balance | $ (609,004) |  |
Deferred tax assets, beginning balance | 85,795 |  |
Translation differences | (1,052) | $ 3,351 |
Acquisition of business (note 3) | 13,686 | 0 |
Credits (Charges) directly to other comprehensive income | 4,808 | 2,379 |
Withholding tax on dividend distributions | 0 | 2,690 | $ (4,177)
Effect of changes in tax law on deferred income tax | (7,455) | (2,028) | (3,080)
Deferred tax (charge) credit | (106,047) | 16,821 |
Deferred tax liability, ending balance | (513,357) | (609,004) |
Deferred tax assets, ending balance | 121,092 | 85,795 |
Deferred tax assets recognized on unused tax losses | 43,355 | 56,297 |
Unused tax credits for which no deferred tax asset recognised | 0 |  |
Unused tax losses for which no deferred tax asset recognised | 1,900,000 |  |
PP&E |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax liability, beginning balance | (625,963) | (599,522) |
Translation differences | 6,907 | 5,634 |
Credits (Charges) directly to other comprehensive income | 0 | 0 |
Withholding tax on dividend distributions | 0 | 0 |
Effect of changes in tax law on deferred income tax | 17,293 | 1,062 |
Deferred tax (charge) credit | 61,924 | (33,137) |
Deferred tax liability, ending balance | (539,839) | (625,963) | (599,522)
Inventories |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax liability, beginning balance | (48,637) | (52,723) |
Translation differences | (215) | 360 |
Credits (Charges) directly to other comprehensive income | 0 | 0 |
Withholding tax on dividend distributions | 0 | 0 |
Effect of changes in tax law on deferred income tax | 185 | (103) |
Deferred tax (charge) credit | (8,339) | 3,829 |
Deferred tax liability, ending balance | (57,006) | (48,637) | (52,723)
Intangible assets |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax liability, beginning balance | (28,050) | (38,652) |
Translation differences | 67 | 169 |
Credits (Charges) directly to other comprehensive income | 0 | 0 |
Withholding tax on dividend distributions | 0 | 0 |
Effect of changes in tax law on deferred income tax | 352 | 1,433 |
Deferred tax (charge) credit | 8,939 | 9,000 |
Deferred tax liability, ending balance | (18,692) | (28,050) | (38,652)
Other Temporary Differences, Deferred Tax Liabilities [Member] |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax liability, beginning balance | (3,050) | (10,387) |
Translation differences | (29) | 181 |
Credits (Charges) directly to other comprehensive income | (108) | (192) |
Withholding tax on dividend distributions | 0 | (2,690) |
Effect of changes in tax law on deferred income tax | 11 | 6 |
Deferred tax (charge) credit | 1,120 | 10,032 |
Deferred tax liability, ending balance | (2,056) | (3,050) | (10,387)
Deferred tax liabilities [Member] |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax liability, beginning balance | (705,700) | (701,284) |
Translation differences | 6,730 | 6,344 |
Credits (Charges) directly to other comprehensive income | (108) | (192) |
Withholding tax on dividend distributions | 0 | (2,690) |
Effect of changes in tax law on deferred income tax | 17,841 | 2,398 |
Deferred tax (charge) credit | 63,644 | (10,276) |
Deferred tax liability, ending balance | (617,593) | (705,700) | (701,284)
Provisions |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax assets, beginning balance | 53,188 | 45,368 |
Translation differences | (501) | 2,399 |
Acquisition of business (note 3) | 0 |  |
Credits (Charges) directly to other comprehensive income | 0 | 0 |
Effect of changes in tax law on deferred income tax | (2,692) | 17 |
Deferred tax (charge) credit | 11,106 | 10,202 |
Deferred tax assets, ending balance | 61,101 | 53,188 | 45,368
Trade receivables |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax assets, beginning balance | 7,488 | 6,193 |
Translation differences | (273) | 289 |
Acquisition of business (note 3) | 0 |  |
Credits (Charges) directly to other comprehensive income | 0 | 0 |
Effect of changes in tax law on deferred income tax | (238) | (3) |
Deferred tax (charge) credit | 1,223 | 1,587 |
Deferred tax assets, ending balance | 8,200 | 7,488 | 6,193
Tax losses |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax assets, beginning balance | 56,297 | 67,784 |
Translation differences | 0 | 0 |
Acquisition of business (note 3) | 0 |  |
Credits (Charges) directly to other comprehensive income | 0 | 0 |
Effect of changes in tax law on deferred income tax | 0 | 0 |
Deferred tax (charge) credit | (12,942) | (11,487) |
Deferred tax assets, ending balance | 43,355 | 56,297 | 67,784
Other |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax assets, beginning balance | 65,518 | 70,483 |
Translation differences | (7,008) | 305 |
Acquisition of business (note 3) | 13,686 |  |
Credits (Charges) directly to other comprehensive income | 4,916 | 2,571 |
Effect of changes in tax law on deferred income tax | (7,456) | (384) |
Deferred tax (charge) credit | 43,016 | (6,847) |
Deferred tax assets, ending balance | 112,672 | 65,518 | 70,483
Deferred tax assets [Member] |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax assets, beginning balance | 182,491 | 189,828 |
Translation differences | (7,782) | 2,993 |
Acquisition of business (note 3) | 13,686 |  |
Credits (Charges) directly to other comprehensive income | 4,916 | 2,571 |
Effect of changes in tax law on deferred income tax | (10,386) | (370) |
Deferred tax (charge) credit | 42,403 | (6,545) |
Deferred tax assets, ending balance | $ 225,328 | $ 182,491 | $ 189,828

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