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UNAUDITED INTERIM CONSOLIDATED INCOME STATEMENT - EUR (€) € in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Profit or loss [abstract] |  |  |  |
Revenue | € 1,031 | € 1,538 | € 2,468 | € 3,074
Cost of sales | (962) | (1,356) | (2,246) | (2,748)
Gross profit | 69 | 182 | 222 | 326
Selling and administrative expenses | (57) | (70) | (123) | (138)
Research and development expenses | (7) | (12) | (20) | (24)
Restructuring costs | (11) | (1) | (11) | (1)
Other gains / (losses) - net | 5 | (30) | (63) | (14)
(Loss) / income from operations | (1) | 69 | 5 | 149
Finance costs - net | (42) | (43) | (87) | (89)
Share of income of joint-ventures | 0 | 0 | 0 | 5
(Loss) / income before income tax | (43) | 26 | (82) | 65
Income tax benefit / (expense) | 11 | (9) | 19 | (24)
Net (loss) / income | (32) | 17 | (63) | 41
(Loss) / income attributable to: |  |  |  |
Equity holders of Constellium | (33) | 16 | (64) | 39
Non-controlling interests | 1 | 1 | 1 | 2
Net (loss) / income | € (32) | € 17 | € (63) | € 41
Earnings per share attributable to the equity holders of Constellium |  |  |  |
Basic (in EUR per share) | € (0.24) | € 0.12 | € (0.46) | € 0.29
Diluted (in EUR per share) | € (0.24) | € 0.11 | € (0.46) | € 0.28

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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 2019-01-01 -Paragraph 99 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_99&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_103&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator), divided by the weighted average number of ordinary shares outstanding during the period (the denominator), both adjusted for the effects of all dilutive potential ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2019-01-01 -Paragraph 66 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2019-en-r&anchor=para_66&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of expense relating to restructuring. Restructuring is a programme that is planned and controlled by management and materially changes either the scope of a business undertaken by an entity or the manner in which that business is conducted. Such programmes include: (a) the sale or termination of a line of business; (b) closure of business locations in a country or region or the relocation of activities from one country or region to another; (c) changes in management structure; and (d) fundamental reorganisations that have a material effect on the nature and focus of the entity's operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 98 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_98_b&doctype=Standard -URIDate 2019-03-27 + Details
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