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DEFERRED INCOME TAX (Changes in deferred tax assets and liabilities) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax liability, beginning balance | $ (346,485) |  |
Deferred tax assets, beginning balance | 158,703 |  |
Translation differences | (69) | $ (36) |
Deferred tax (charge) credit | 185,655 | 39,894 |
Credits directly to other comprehensive income | (14,158) | 12,100 |
Effect of changes in tax law | (9,117) | 0 | $ 16,979
Deferred tax liability, ending balance | (186,216) | (346,485) |
Deferred tax assets, ending balance | 160,745 | 158,703 |
Deferred tax assets recognized on unused tax losses | 3,578 | 31,084 |
Unused tax credits for which no deferred tax asset recognised | 100,000 | 200,000 |
Unused tax losses for which no deferred tax asset recognised | 800,000 | 1,000,000 |
Deferred tax liabilities |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax liability, beginning balance | (479,058) | (519,134) |
Translation differences |  | 46 |
Deferred tax (charge) credit | 137,793 | 40,030 |
Deferred tax liability, ending balance | (341,265) | (479,058) | (519,134)
PP&E |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax liability, beginning balance | (426,140) | (437,376) |
Translation differences |  | 46 |
Deferred tax (charge) credit | 72,720 | 11,190 |
Deferred tax liability, ending balance | (353,420) | (426,140) | (437,376)
Inventories |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax liability, beginning balance | (30,187) | (63,460) |
Translation differences |  | 0 |
Deferred tax (charge) credit | 79,624 | 33,273 |
Deferred tax liability, ending balance |  | (30,187) | (63,460)
Deferred tax assets, ending balance | 49,437 |  |
Intangible assets |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax liability, beginning balance | (20,710) | (17,109) |
Translation differences |  | 0 |
Deferred tax (charge) credit | (5,613) | (3,601) |
Deferred tax liability, ending balance | (26,323) | (20,710) | (17,109)
Other |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax liability, beginning balance | (2,021) | (1,189) |
Translation differences |  | 0 |
Deferred tax (charge) credit | (8,938) | (832) |
Deferred tax liability, ending balance | (10,959) | (2,021) | (1,189)
Deferred tax assets |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax assets, beginning balance | 291,276 | 279,394 |
Translation differences | (69) | (82) |
Deferred tax (charge) credit | 47,862 | (136) |
Credits directly to other comprehensive income | (14,158) | 12,100 |
Effect of changes in tax law | (9,117) |  |
Deferred tax assets, ending balance | 315,794 | 291,276 | 279,394
Provisions |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax assets, beginning balance | 52,342 | 45,654 |
Translation differences | 0 | 0 |
Deferred tax (charge) credit | 29,797 | 6,688 |
Credits directly to other comprehensive income | 0 | 0 |
Effect of changes in tax law | 0 |  |
Deferred tax assets, ending balance | 82,139 | 52,342 | 45,654
Trade receivables |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax assets, beginning balance | 9,186 | 10,200 |
Translation differences | 0 | 0 |
Deferred tax (charge) credit | 25,958 | (1,014) |
Credits directly to other comprehensive income | 0 | 0 |
Effect of changes in tax law | 0 |  |
Deferred tax assets, ending balance | 35,144 | 9,186 | 10,200
Tax losses |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax assets, beginning balance | 31,084 | 42,766 |
Translation differences | 0 | 0 |
Deferred tax (charge) credit | (27,506) | (11,682) |
Credits directly to other comprehensive income | 0 | 0 |
Effect of changes in tax law | 0 |  |
Deferred tax assets, ending balance | 3,578 | 31,084 | 42,766
Other |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred tax assets, beginning balance | 198,664 | 180,774 |
Translation differences | (69) | (82) |
Deferred tax (charge) credit | 19,613 | 5,872 |
Credits directly to other comprehensive income | (14,158) | 12,100 |
Effect of changes in tax law | (9,117) |  |
Deferred tax assets, ending balance | $ 194,933 | $ 198,664 | $ 180,774

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