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Note 4 - Labor Costs - Labor Costs (Included in Cost of Sales and in Selling, General and Administrative Expenses) - Number of Employees (Details) | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Statement Line Items [Line Items] |  |  |
Number of employees | 23,472 | 21,605 | 19,399
Discontinued operations [member] |  |  |
Statement Line Items [Line Items] |  |  |
Number of employees |  |  | 323
Continuing operations [member] |  |  |
Statement Line Items [Line Items] |  |  |
Number of employees | 23,472 | 21,605 | 19,076
MEXICO |  |  |
Statement Line Items [Line Items] |  |  |
Number of employees | 5,728 | 5,139 | 4,968
ARGENTINA |  |  |
Statement Line Items [Line Items] |  |  |
Number of employees | 5,569 | 5,221 | 4,755
UNITED STATES |  |  |
Statement Line Items [Line Items] |  |  |
Number of employees | 2,410 | 1,953 | 1,636
ITALY |  |  |
Statement Line Items [Line Items] |  |  |
Number of employees | 2,173 | 2,088 | 1,979
ROMANIA |  |  |
Statement Line Items [Line Items] |  |  |
Number of employees | 1,877 | 1,870 | 1,631
BRAZIL |  |  |
Statement Line Items [Line Items] |  |  |
Number of employees | 1,374 | 1,382 | 1,166
COLOMBIA |  |  |
Statement Line Items [Line Items] |  |  |
Number of employees | 1,106 | 1,003 | 750
CANADA |  |  |
Statement Line Items [Line Items] |  |  |
Number of employees | 1,034 | 919 | 473
INDONESIA |  |  |
Statement Line Items [Line Items] |  |  |
Number of employees | 554 | 506 | 509
JAPAN |  |  |
Statement Line Items [Line Items] |  |  |
Number of employees | 399 | 410 | 458
Other geographical areas [member] |  |  |
Statement Line Items [Line Items] |  |  |
Number of employees | 1,248 | 1,114 | 1,074

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