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RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS - Allowance for Trade Receivables (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Jan. 01, 2018 | Dec. 31, 2017
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Disclosure of expected impact of initial application of new standards or interpretations [line items] |  |  |
Trade receivables, net | $ 1,885,915 |  | $ 1,976,096
Fully performing | IFRS 9 |  |  |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |  |  |
Expected loss rate |  | 0.12% |
Past due between 1 and 90 days | IFRS 9 |  |  |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |  |  |
Expected loss rate |  | 0.93% |
Past due between 91 and 360 days | IFRS 9 |  |  |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |  |  |
Expected loss rate |  | 8.08% |
Past due more than 360 days | IFRS 9 |  |  |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |  |  |
Expected loss rate |  | 99.54% |
Non-guaranteed trade receivables - Gross carrying amount | Fully performing | IFRS 9 |  |  |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |  |  |
Trade receivables, net |  | $ 543,792 |
Non-guaranteed trade receivables - Gross carrying amount | Past due between 1 and 90 days | IFRS 9 |  |  |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |  |  |
Trade receivables, net |  | 51,669 |
Non-guaranteed trade receivables - Gross carrying amount | Past due between 91 and 360 days | IFRS 9 |  |  |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |  |  |
Trade receivables, net |  | 6,080 |
Non-guaranteed trade receivables - Gross carrying amount | Past due more than 360 days | IFRS 9 |  |  |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |  |  |
Trade receivables, net |  | 14,397 |
Trade receivables |  |  |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |  |  |
Trade receivables, net | 1,133,236 |  | 1,011,430
Trade receivables | Fully performing |  |  |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |  |  |
Trade receivables, net | 1,035,036 |  | 910,693
Trade receivables | Accumulated impairment |  |  |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |  |  |
Trade receivables, net | (14,346) |  | (16,543)
Trade receivables | Accumulated impairment | Fully performing |  |  |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |  |  |
Trade receivables, net | $ 0 |  | $ 0
Trade receivables | Accumulated impairment | Fully performing | IFRS 9 |  |  |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |  |  |
Trade receivables, net |  | (668) |
Trade receivables | Accumulated impairment | Past due between 1 and 90 days | IFRS 9 |  |  |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |  |  |
Trade receivables, net |  | (483) |
Trade receivables | Accumulated impairment | Past due between 91 and 360 days | IFRS 9 |  |  |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |  |  |
Trade receivables, net |  | (491) |
Trade receivables | Accumulated impairment | Past due more than 360 days | IFRS 9 |  |  |
Disclosure of expected impact of initial application of new standards or interpretations [line items] |  |  |
Trade receivables, net |  | $ (14,331) |

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