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Note 10 - Property, Plant and Equipment, Net (Details Textual) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disclosure of detailed information about property, plant and equipment [line items]
Property, plant and equipment, capitalized interest		$ 30.4	$ 32.0
Saudi Arabia | Saudi Steel Pipe Company [member]
Disclosure of detailed information about property, plant and equipment [line items]
Percentage of ownership interest in subsidiary	[1]	47.79%	48.00%	48.00%
Land [member] | Saudi Arabia | Saudi Steel Pipe Company [member]
Disclosure of detailed information about property, plant and equipment [line items]
Restricted assets		$ 56.2
[1] All percentages rounded.

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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.

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- Definition

The amount of property, plant and equipment subject to restrictions on title. [Refer: Property, plant and equipment]

+ References

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-IssueDate 2022-03-24
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- Definition

The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2022-03-24
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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The amount of property plant and equipment capitalized interest.

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