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Note 2 - Cost of Sales - Components of Cost of Sales (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Statement Line Items [Line Items] |  |  |  |  |
Inventories, net |  | $ 2,368,304 | $ 1,563,889 | $ 1,843,467 | $ 2,779,869
Raw materials, energy, consumables and other |  | 2,794,503 | 1,528,532 | 1,934,209 |
Services and fees |  | 244,035 | 199,210 | 298,470 |
Labor cost |  | 778,408 | 658,975 | 947,997 |
Depreciation of property, plant and equipment |  | 383,490 | 376,965 | 377,596 |
Amortization of intangible assets |  | 18,621 | 27,244 | 24,100 |
Maintenance expenses |  | 183,370 | 122,553 | 184,053 |
Allowance for obsolescence |  | (12,917) | 32,765 | 68,669 |
Taxes |  | 18,542 | 16,693 | 21,523 |
Other |  | 88,823 | 89,575 | 92,059 |
|  | 4,496,875 | 3,052,512 | 3,948,676 |
Less: Inventories at the end of the year (*) | [1] | (2,368,304) | (1,593,708) | (1,843,467) |
From discontinued operations |  | (7,403) | (136,587) | (137,318) |
|  | $ 3,685,057 | $ 3,165,684 | $ 4,747,760 |
[1] | Inventories as of December 31, 2016 include $ 29.8 million related to discontinued operations.

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- Definition The amount of costs relating to expenses directly or indirectly attributed to the goods or services sold, which may include, but are not limited to, costs previously included in the measurement of inventory that has now been sold, unallocated production overheads and abnormal amounts of production costs of inventories. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 99 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_99&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_103&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of current inventories. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 2 -IssueDate 2017-01-01 -Paragraph 36 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=2&date=2017-03-01&anchor=para_36_b&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_g&doctype=Standard -URIDate 2017-03-09 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 68 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_68&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition Amount of allowance for obsolescence attributable to cost of sales. + References No definition available. + Details
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- Definition Amount of amortization of intangible assets attributable to cost of sales. + References No definition available. + Details
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- Definition Amount of depreciation of property, plant and equipment attributable to cost of sales. + References No definition available. + Details
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- Definition Amount of labor cost attributable to cost of sales. + References No definition available. + Details
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- Definition Amount of maintenance expenses attributable to cost of sales. + References No definition available. + Details
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- Definition Amount of raw materials, energy, consumables and other expense attributable to cost of sales. + References No definition available. + Details
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- Definition Amount of services and fees expense attributable to cost of sales. + References No definition available. + Details
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- Definition Amount of tax expense attributable to cost of sales. + References No definition available. + Details
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