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OTHER FINANCIAL INCOME (EXPENSES), NET | 12 Months Ended
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Dec. 31, 2017
Other financial income (expenses), net [Abstract] |
OTHER FINANCIAL INCOME (EXPENSES), NET |
| Year ended December 31,
| 2017 |  | 2016 |  | 2015
Interest expense | (114,583 | ) |  | (89,971 | ) |  | (89,489 | )
Finance expense | (114,583 | ) |  | (89,971 | ) |  | (89,489 | )
Interest income | 19,408 |  |  | 14,129 |  |  | 7,981 |
Finance income | 19,408 |  |  | 14,129 |  |  | 7,981 |
Net foreign exchange (loss) gain | (65,479 | ) |  | 20,334 |  |  | (5,181 | )
Change in fair value of financial assets | (1,057 | ) |  | 7,663 |  |  | (8,143 | )
Derivative contract results | 4,132 |  |  | 11,614 |  |  | (2,058 | )
Others | (7,511 | ) |  | (1,654 | ) |  | (2,540 | )
Other financial income (expenses), net | (69,915 | ) |  | 37,957 |  |  | (17,922 | )

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