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Note 5 - Impairment charge (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items] |  |  |
Growth rate used in current estimate of value in use | 2.00% | 2.00% | 2.00%
Impairment charge |  | $ 76,725 | $ 57,075
Tubes [member] |  |  |
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items] |  |  |
Impairment charge |  | 63,100 |
All other segments [member] |  |  |
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items] |  |  |
Impairment charge |  | $ 13,600 |
Bottom of range [member] |  |  |
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items] |  |  |
Discount rate used in current estimate of value in use | 12.50% | 13.40% | 10.90%
Top of range [member] |  |  |
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items] |  |  |
Discount rate used in current estimate of value in use | 21.40% | 20.20% | 18.80%
NKKTUBES [member] | Tubes [member] |  |  |
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items] |  |  |
Impairment charge |  |  | $ 57,000

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- Definition The discount rate used in the current estimate of the present value of the future cash flows expected to be derived from an asset or cash-generating unit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2023-01-01 -Paragraph 130 -Subparagraph g -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_130_g&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of impairment loss or reversal of impairment loss recognised in profit or loss. [Refer: Impairment loss recognised in profit or loss; Reversal of impairment loss recognised in profit or loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 99 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_99&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The growth rate used in the current estimate of the present value of the future cash flows expected to be derived from an asset or cash-generating unit. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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