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DEFERRED INCOME TAX (Changes in deferred tax assets and liabilities) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax liability, beginning balance $ (186,216)    
Deferred tax assets, beginning balance 160,745    
Translation differences 330 $ (69)  
Income statement credit (charge) 80,692 185,655  
Credits directly to other comprehensive income (18,056) (14,158)  
Effect of changes in tax law (note 10) 0 (9,117) $ 0
Deferred tax liability, ending balance (162,742) (186,216)  
Deferred tax assets, ending balance 200,237 160,745  
Deferred tax assets recognized on unused tax losses 17,400 3,600  
Unused tax credits for which no deferred tax asset recognised 202,000 100,000  
Unused tax losses for which no deferred tax asset recognised 879,000 800,000  
Deferred tax liabilities      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax liability, beginning balance (341,265) (479,058)  
Income statement credit (charge) 50,503 137,793  
Deferred tax liability, ending balance (290,762) (341,265) (479,058)
PP&E      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax liability, beginning balance (353,420) (426,140)  
Income statement credit (charge) 152,864 72,720  
Deferred tax liability, ending balance (200,556) (353,420) (426,140)
Inventories      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax liability, beginning balance   (30,187)  
Deferred tax assets, beginning balance 49,437    
Income statement credit (charge) (119,031) 79,624  
Deferred tax liability, ending balance (69,594)   (30,187)
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 (26,323) (20,710)  
Income statement credit (charge) 3,400 (5,613)  
Deferred tax liability, ending balance (22,923) (26,323) (20,710)
Other      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax liability, beginning balance (10,959) (2,021)  
Income statement credit (charge) 13,270 (8,938)  
Deferred tax liability, ending balance   (10,959) (2,021)
Deferred tax assets, ending balance 2,311    
Deferred tax assets      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets, beginning balance 315,795 291,276  
Translation differences 330 (69)  
Income statement credit (charge) 30,189 47,862  
Credits directly to other comprehensive income (18,056) (14,158)  
Effect of changes in tax law (note 10)   (9,117)  
Deferred tax assets, ending balance 328,257 315,795 291,276
Provisions      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets, beginning balance 82,139 52,342  
Translation differences 0 0  
Income statement credit (charge) 16,860 29,797  
Credits directly to other comprehensive income 0 0  
Effect of changes in tax law (note 10)   0  
Deferred tax assets, ending balance 98,999 82,139 52,342
Trade receivables      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets, beginning balance 35,144 9,186  
Translation differences 0 0  
Income statement credit (charge) (19,629) 25,958  
Credits directly to other comprehensive income 0 0  
Effect of changes in tax law (note 10)   0  
Deferred tax assets, ending balance 15,515 35,144 9,186
Tax losses      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets, beginning balance 3,578 31,084  
Translation differences 0 0  
Income statement credit (charge) 13,822 (27,506)  
Credits directly to other comprehensive income 0 0  
Effect of changes in tax law (note 10)   0  
Deferred tax assets, ending balance 17,400 3,578 31,084
Other      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets, beginning balance 194,934 198,664  
Translation differences 330 (69)  
Income statement credit (charge) 19,136 19,613  
Credits directly to other comprehensive income (18,056) (14,158)  
Effect of changes in tax law (note 10)   (9,117)  
Deferred tax assets, ending balance $ 196,343 $ 194,934 $ 198,664