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Note 24 - Derivative Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2017
Statement Line Items [Line Items] |
Disclosure of detailed information about derivative financial instruments [text block] |
|  | Year ended December 31, |
|  | 2017 |  |  | 2016 |
Foreign exchange derivatives contracts |  |  | 8,230 |  |  |  | 2,759 |
Contracts with positive fair values |  |  | 8,230 |  |  |  | 2,759 |
Foreign exchange derivatives contracts |  |  | (39,799 | ) |  |  | (42,635 | )
Contracts with negative fair values |  |  | (39,799 | ) |  |  | (42,635 | )
Total |  |  | (31,569 | ) |  |  | (39,876 | )
Disclosure of detailed information about hedged items [text block] |
|  |  |  |  |  |  | Fair Value |  |  | Hedge Accounting Reserve |
Purchase currency |  | Sell currency |  | Term |  |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
MXN |  | USD |  |  | 2018 |  |  |  | (20,447 | ) |  |  | (35,165 | ) |  |  | (534 | ) |  |  | 9 |
USD |  | MXN |  |  | 2018 |  |  |  | 490 |  |  |  | 694 |  |  |  | - |  |  |  | (2,280 | )
EUR |  | USD |  |  | 2018 |  |  |  | 5,660 |  |  |  | (360 | ) |  |  | 1,881 |  |  |  | - |
USD |  | EUR |  |  | 2018 |  |  |  | (367 | ) |  |  | (33 | ) |  |  | - |  |  |  | (1,435 | )
JPY |  | USD |  |  | 2018 |  |  |  | (101 | ) |  |  | (179 | ) |  |  | - |  |  |  | 73 |
USD |  | KWD |  |  | 2018 |  |  |  | (630 | ) |  |  | (2,447 | ) |  |  | (520 | ) |  |  | (1,016 | )
USD |  | ARS |  |  | 2018 |  |  |  | 22 |  |  |  | (748 | ) |  |  | - |  |  |  | - |
ARS |  | USD |  |  | 2018 |  |  |  | (13,715 | ) |  |  | 318 |  |  |  | (1,067 | ) |  |  | (93 | )
USD |  | BRL |  |  | 2018 |  |  |  | (17 | ) |  |  | (1,581 | ) |  |  | - |  |  |  | - |
USD |  | CAD |  |  | 2018 |  |  |  | (2,072 | ) |  |  | (225 | ) |  |  | - |  |  |  | - |
Others |  |  |  |  |  |  |  |  | (392 | ) |  |  | (150 | ) |  |  | - |  |  |  | - |
Total |  |  |  |  |  |  |  |  | (31,569 | ) |  |  | (39,876 | ) |  |  | (240 | ) |  |  | (4,742 | )
Disclosure of detailed information of the hedge reserve evolution [text block] |
|  | Equity Reserve Dec-15 |  |  | Movements 2016 |  |  | Equity Reserve Dec-16 |  |  | Movements 2017 |  |  | Equity Reserve Dec-17 |
Foreign Exchange |  |  | 2,783 |  |  |  | (7,525 | ) |  |  | (4,742 | ) |  |  | 4,502 |  |  |  | (240 | )
Total Cash flow Hedge |  |  | 2,783 |  |  |  | (7,525 | ) |  |  | (4,742 | ) |  |  | 4,502 |  |  |  | (240 | )

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