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Note 20 - Deferred Income Tax - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Statement Line Items [Line Items] |  |  |
At the beginning of the year |  | $ 197,433 | $ 304,438
Translation differences |  | 1,100 | 4,171
Increase due to business combinations |  | 10,847 |
Charged directly to other comprehensive income |  | (838) | 1,898
Income statement charge / (credit) |  | (97,240) | (113,897)
Effect of adoption of new standards |  |  | 823
At the end of the year |  | 111,302 | 197,433
Deferred tax assets, provisions and allowances [member] |  |  |
Statement Line Items [Line Items] |  |  |
At the beginning of the year |  | (16,116) | (26,475)
Translation differences |  | 362 | 2,532
Increase due to business combinations |  | (1,160) |
Charged directly to other comprehensive income |  |  | 23
Income statement charge / (credit) |  | (2,739) | 6,852
Effect of adoption of new standards |  |  | 952
At the end of the year |  | (19,653) | (16,116)
Deferred tax assets, inventory [member] |  |  |
Statement Line Items [Line Items] |  |  |
At the beginning of the year |  | (86,585) | (89,555)
Translation differences |  | 306 | 1,447
Increase due to business combinations |  | (1,413) |
Charged directly to other comprehensive income |  |  |
Income statement charge / (credit) |  | (5,712) | 1,523
Effect of adoption of new standards |  |  |
At the end of the year |  | (93,404) | (86,585)
Deferred tax assets, tax loss [member] |  |  |
Statement Line Items [Line Items] |  |  |
At the beginning of the year |  | (396,257) | (354,944)
Translation differences |  | 497 | 1,014
Increase due to business combinations |  | (1,172) |
Charged directly to other comprehensive income |  |  |
Income statement charge / (credit) |  | 14,100 | (42,327)
Effect of adoption of new standards |  |  |
At the end of the year |  | (382,832) | (396,257)
Deferred tax assets, other [member] |  |  |
Statement Line Items [Line Items] |  |  |
At the beginning of the year |  | (86,184) | (60,033)
Translation differences |  | 286 | (38)
Increase due to business combinations |  | (2,238) |
Charged directly to other comprehensive income |  | (1,261) | 1,587
Income statement charge / (credit) |  | (92,209) | (27,536)
Effect of adoption of new standards |  |  | (164)
At the end of the year |  | (181,606) | (86,184)
Deferred tax assets [member] |  |  |
Statement Line Items [Line Items] |  |  |
At the beginning of the year |  | (585,142) | (531,007)
Translation differences |  | 1,451 | 4,955
Increase due to business combinations |  | (5,983) |
Charged directly to other comprehensive income |  | (1,261) | 1,610
Income statement charge / (credit) |  | (86,560) | (61,488)
Effect of adoption of new standards |  |  | 788
At the end of the year |  | (677,495) | (585,142)
Deferred tax liabilities, fixed assets [member] |  |  |
Statement Line Items [Line Items] |  |  |
At the beginning of the year | [1] | 710,995 | 744,926
Translation differences | [1] | (347) | (876)
Increase due to business combinations | [1] | 5,621 |
Charged directly to other comprehensive income | [1] |  |
Income statement charge / (credit) | [1] | (64,930) | (33,055)
Effect of adoption of new standards | [1] |  |
At the end of the year | [1] | 651,339 | 710,995
Deferred tax liabilities, inventory [member] |  |  |
Statement Line Items [Line Items] |  |  |
At the beginning of the year |  | 25,048 | 34,934
Translation differences |  |  |
Increase due to business combinations |  |  |
Charged directly to other comprehensive income |  |  |
Income statement charge / (credit) |  | (5,652) | (9,886)
Effect of adoption of new standards |  |  |
At the end of the year |  | 19,396 | 25,048
Deferred tax liabilities, intangible and other assets [member] |  |  |
Statement Line Items [Line Items] |  |  |
At the beginning of the year |  | 46,532 | 55,585
Translation differences |  | (4) | 92
Increase due to business combinations |  | 11,209 |
Charged directly to other comprehensive income |  | 423 | 288
Income statement charge / (credit) |  | 59,902 | (9,468)
Effect of adoption of new standards |  |  | 35
At the end of the year |  | 118,062 | 46,532
Deferred tab liabilities [member] |  |  |
Statement Line Items [Line Items] |  |  |
At the beginning of the year |  | 782,575 | 835,445
Translation differences |  | (351) | (784)
Increase due to business combinations |  | 16,830 |
Charged directly to other comprehensive income |  | 423 | 288
Income statement charge / (credit) |  | (10,680) | (52,409)
Effect of adoption of new standards |  |  | 35
At the end of the year |  | $ 788,797 | $ 782,575
[1] | Includes the effect of currency translation on tax base. See Note 7.

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