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Financial instruments (Details 27) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Financial instruments [Line Items] |  |
Financial assets | $ 360,941 | $ 1,270,817
Financial assets, at fair value | 249 |
Financial liabilities | 1,496,360 | 1,582,060
Bank loans [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 163,568 | 101,270
Financial liabilities, at fair value | 163,568 | 101,270
Derivative instruments [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 5,979 | 1,920
Financial liabilities, at fair value | 5,979 | 1,920
Hedging liabilities [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 37,287 | 16,981
Financial liabilities, at fair value | 37,287 | 16,981
Other financial liabilities, current [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 220,328 | 179,144
Financial liabilities, at fair value | 220,328 | 179,144
Current and non-current accounts payable [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 196,280 | 200,496
Financial liabilities, at fair value | 196,280 | 200,496
Payables due to related parties, non-current [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 1,365 | 7
Financial liabilities, at fair value | 1,365 | 7
Bank loans [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 0 | 0
Financial liabilities, at fair value | 0 | 0
Unsecured obligations [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 1,031,507 | 1,059,706
Financial liabilities, at fair value | 1,131,639 | 1,195,512
Non-current hedging liabilities [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 0 | 33,732
Financial liabilities, at fair value | 0 | 33,732
Other non-current financial liabilities: [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 1,031,507 | 1,093,438
Financial liabilities, at fair value | 1,131,639 | 1,229,244
Unsecured obligations [Member] |  |
Financial instruments [Line Items] |  |
Financial liabilities | 13,494 | 58,973
Financial liabilities, at fair value | 13,494 | 58,973
Cash and cash equivalents [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 630,438 | 514,669
Financial assets, at fair value | 630,438 | 514,669
Current trade and other receivables [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 446,875 | 368,761
Financial assets, at fair value | 446,875 | 368,761
Receivables due from related parties, current [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 59,132 | 82,259
Financial assets, at fair value | 59,132 | 82,259
Time deposits [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 360,941 | 284,160
Financial assets, at fair value | 360,941 | 284,160
Derivative instruments [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 6,038 | 4,095
Financial assets, at fair value | 6,038 | 4,095
Hedging assets [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 0 | 934
Financial assets, at fair value | 0 | 934
Total other current financial assets [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 366,979 | 289,189
Financial assets, at fair value | 366,979 | 289,189
Non-Current Trade Receivables [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 1,912 | 1,840
Financial assets, at fair value | 1,912 | 1,840
Other non-current financial assets: [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 42,879 | 14,099
Financial assets, at fair value | 42,879 | 14,099
Total other non-current financial assets: [Member] |  |
Financial instruments [Line Items] |  |
Financial assets | 42,879 | 14,099
Financial assets, at fair value | $ 42,879 | $ 14,099

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- Definition The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_25&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2018-01-01 -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 35H -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_35H&doctype=Standard -URIDate 2017-03-09 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2018-01-01 -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 35I -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_35I&doctype=Standard -URIDate 2017-03-09 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2018-01-01 -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 35M -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_35M&doctype=Standard -URIDate 2017-03-09 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Note Effective 2018-01-01 -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 35N -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_35N&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of liabilities that are: (a) a contractual obligation: (i) to deliver cash or another financial asset to another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially unfavourable to the entity; or (b) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to deliver a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose, rights, options or warrants to acquire a fixed number of the entity’s own equity instruments for a fixed amount of any currency are equity instruments if the entity offers the rights, options or warrants pro rata to all of its existing owners of the same class of its own non-derivative equity instruments. Also, for those purposes the entity’s own equity instruments do not include puttable financial instruments that are classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. As an exception, an instrument that meets the definition of a financial liability is classified as an equity instrument if it has all the features and meets the conditions in paragraphs 16A-16B or paragraphs 16C-16D of IAS 32. [Refer: Financial instruments, class [member]; Financial assets; Derivatives [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_25&doctype=Standard -URIDate 2017-03-09 + Details
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