XML 102 R87.htm IDEA: XBRL DOCUMENT v3.8.0.1
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.