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Interim Condensed Consolidated Income Statements - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Profit or loss [abstract] |  |  |  |
Revenue | $ 391,586 | $ 329,613 | $ 798,285 | $ 653,678
Cost of sales | (278,813) | (236,734) | (573,109) | (465,261)
Gross profit | 112,773 | 92,879 | 225,176 | 188,417
Selling expenses | (35,732) | (32,705) | (73,600) | (63,450)
Research and development costs | (4,644) | (4,456) | (9,705) | (8,644)
General and administrative expenses | (18,426) | (18,209) | (39,469) | (38,346)
Other operating income | 296 | 2,127 | 459 | 2,274
Other operating expenses | (1,561) | (1,097) | (3,556) | (4,290)
Restructuring income | 40,253 | 0 | 40,253 | 0
Restructuring expenses | (10,502) | (319) | (11,768) | (722)
Restructuring income/(expenses), net | 29,751 | (319) | 28,485 | (722)
Earnings before taxes and finance income/costs (operating result (EBIT)) | 82,457 | 38,220 | 127,790 | 75,239
Finance income | 19,123 | 6,245 | 19,978 | 20,083
Finance costs | (28,475) | (17,147) | (37,420) | (41,355)
Share of profit or loss of joint ventures | 144 | 133 | 293 | 262
Financial result | (9,208) | (10,769) | (17,149) | (21,010)
Profit before income taxes | 73,249 | 27,451 | 110,641 | 54,229
Income taxes | (20,558) | (9,023) | (33,722) | (18,986)
Profit for the period | $ 52,691 | $ 18,428 | $ 76,919 | $ 35,243
Earnings per share (USD per share), basic | $ 0.88 | $ 0.31 | $ 1.29 | $ 0.59
Weighted average shares, basic (in thousand of shares) | 59,590 | 59,320 | 59,456 | 59,320
Earnings per share (USD per share), diluted | $ 0.87 | $ 0.30 | $ 1.26 | $ 0.58
Weighted average shares, diluted (in thousand of shares) | 60,743 | 60,460 | 60,866 | 60,462

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