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Note 34 - Business combinations (Details Textual) $ in Thousands, € in Millions |  |  |  |  | 1 Months Ended | 7 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 30, 2023 USD ($) | Jul. 01, 2023 USD ($) | May 17, 2023 USD ($) | May 16, 2023 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Sep. 06, 2023 USD ($) | Jul. 01, 2023 EUR (€) m² | Jul. 01, 2023 USD ($) m²
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership interest in subsidiary |  |  |  |  |  |  | 50.00% |  |  |  |  |
Non-controlling interests |  |  |  |  | $ 187,465 | $ 187,465 | $ 187,465 | $ 128,728 |  |  |  |
Equity in earnings of non-consolidated companies |  |  |  |  |  |  | $ 3,162 |  |  |  |  |
Area Of Operations | m² |  |  |  |  |  |  |  |  |  |  | 65,000 | 65,000
Maximum Period To Decide Aloocations Of Purchase Price | 1 year |  |  |  |  |  |  |  |  |  |  |
SAUDI STEEL PIPE CO. and subsidiaries [Member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership interest in subsidiary |  |  |  |  |  |  | 47.79% |  |  |  |  |
Global Pipe Company |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |
Revenue of acquiree since acquisition date |  |  |  |  |  | 144,200 |  |  |  |  |  |
Investments accounted for using equity method |  |  |  | $ 23,500 |  |  |  |  |  |  |  |
Gain (loss) recognised as result of remeasuring to fair value equity interest in acquiree held by acquirer before business combination |  |  | $ 4,500 |  |  |  | $ 4,506 |  |  |  |  |
Non-controlling interests |  |  | 34,100 |  |  |  |  |  |  |  |  |
Fair value of net assets and liabilities acquired |  |  | 80,000 |  |  |  |  |  |  |  |  |
Equity in earnings of non-consolidated companies |  |  | $ 11,500 |  |  |  | 11,487 |  |  |  |  |
Acquisition-related costs |  |  |  |  |  |  | 300 |  |  |  |  |
Global Pipe Company | Erndtebruecker Eisenwerk [Member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  |  | 35.00% |  |  |  |  |  |  |  |  |
Global Pipe Company | SAUDI STEEL PIPE CO. and subsidiaries [Member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  |  |  | 35.00% |  |  |  |  |  |  |  |
Percentage of ownership interest in subsidiary |  |  | 57.30% |  |  |  |  |  |  |  |  |
Estimated financial effect of contingent liabilities |  |  |  |  | 72,000 | $ 72,000 | 72,000 |  |  |  |  |
Global Pipe Company | SAUDI STEEL PIPE CO. and subsidiaries [Member] | Erndtebruecker Eisenwerk [Member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  | 22.30% |  |  |  |  |  |  |  |  |
Acquisition price |  |  | $ 6,300 |  |  |  |  |  |  |  |  |
Anticorrosion Coating Assets [Member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |
Fair value of net assets and liabilities acquired |  |  |  |  |  |  |  |  |  |  |  | $ 13,000
Equity in earnings of non-consolidated companies |  | $ 3,200 |  |  |  |  |  |  |  |  |  |
Anticorrosion Coating Assets [Member] | Isoplus Mediterranean SRLS [Member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition price |  |  |  |  |  |  |  |  |  |  | € 9.0 | $ 9,800
Republic Tube Pipe Processing Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |
Fair value of net assets and liabilities acquired |  |  |  |  |  |  |  |  |  | $ 85,500 |  |
Goodwill expected to be deductible for tax purposes |  |  |  |  |  |  |  |  |  | 5,000 |  |
Acquisition-related costs |  |  |  |  |  |  | 500 |  |  |  |  |
Republic Tube Pipe Processing Facility [Member] | Republic Tube LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition price |  |  |  |  |  |  |  |  |  | $ 90,500 |  |
Mattrs Pipe Coating Business Unit [Member] |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition price | $ 182,600 |  |  |  |  |  |  |  |  |  |  |
Revenue of acquiree since acquisition date |  |  |  |  | $ 77,000 |  |  |  |  |  |  |
Fair value of net assets and liabilities acquired | 169,000 |  |  |  |  |  |  |  |  |  |  |
Goodwill recognized | $ 13,600 |  |  |  |  |  |  |  |  |  |  |
Acquisition-related costs |  |  |  |  |  |  | $ 1,100 |  |  |  |  |
Number Of Plants Acquired | 9 |  |  |  |  |  |  |  |  |  |  |

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- Definition The gain (loss) recognised as result of remeasuring to fair value the equity interest in the acquiree held by the acquirer before the business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2023-01-01 -Paragraph B64 -Subparagraph p -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B64_p_ii&doctype=Appendix&subtype=B -URIDate 2023-03-23 + Details
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- Definition The amount of investments accounted for using the equity method. The equity method is a method of accounting whereby the investment is initially recognised at cost and adjusted thereafter for the post-acquisition change in the investor's share of net assets of the investee. The investor's profit or loss includes its share of the profit or loss of the investee. The investor's other comprehensive income includes its share of the other comprehensive income of the investee. [Refer: At cost [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2023-01-01 -Paragraph 24 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_24_a&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph B16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B16&doctype=Appendix&subtype=B -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_e&doctype=Standard -URIDate 2023-03-23 + Details
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