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Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Statement of comprehensive income [abstract] |  |
Net income (loss) | $ 375,097 | $ (28,225)
Items that may be reclassified to income: |  |
Change in fair value of cash flow hedges (note 18) | (74,790) | 153,863
Forward elements excluded from hedging relationship (note 18) | 45,416 | (174,078)
Items that will not be reclassified to income: |  |
Actuarial gains (losses) on defined benefit pension plans (note 20(a)) | 564 | (77)
Taxes on above items | 674 | 6,597
Other comprehensive loss | (28,136) | (13,695)
Comprehensive income (loss) | 346,961 | (41,920)
Attributable to: |  |
Methanex Corporation shareholders | 287,999 | (26,240)
Non-controlling interests (note 23) | $ 58,962 | $ (15,680)

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