v3.26.1
Note 22 - Deferred tax assets and liabilities - Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
At the beginning of the year $ (327,357) $ (158,010)
Translation differences (1,309) 764
Changes due to business combinations [1] 1,761 [2]
Decrease due to deconsolidation of subsidiaries [3] (8)
Charged to other comprehensive income (1,646) 217
Income statement (credit) / charge (61,600) (172,089)
At the end of the year (391,920) (327,357)
Deferred tax assets, provisions and allowances [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
At the beginning of the year 55,925 31,511
Translation differences 88 (22)
Changes due to business combinations [4] [5]
Charged to other comprehensive income
Income statement (credit) / charge 7,532 24,436
At the end of the year 63,545 55,925
Deferred tax assets, inventory [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
At the beginning of the year 153,915 199,019
Translation differences 868 (277)
Changes due to business combinations [4] 88 [1]
Charged to other comprehensive income
Income statement (credit) / charge 11,987 (44,915)
At the end of the year 166,770 153,915
Deferred tax assets, tax loss [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
At the beginning of the year 714,798 634,894
Translation differences 122 (76)
Changes due to business combinations 3,014 [6] (414) [1]
Charged to other comprehensive income 153 (2,006)
Income statement (credit) / charge (56,032) 82,400
At the end of the year 662,055 714,798
Deferred tax assets, other [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
At the beginning of the year 160,804 185,997
Translation differences 1,290 (829)
Changes due to business combinations [4] 1,821 [1]
Charged to other comprehensive income 1,237 885
Income statement (credit) / charge 3,375 (27,070)
At the end of the year 166,706 160,804
Deferred tax assets [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
At the beginning of the year 1,085,442 1,051,421
Translation differences 2,368 (1,204)
Changes due to business combinations 3,014 [6] 1,495 [1]
Charged to other comprehensive income 1,390 (1,121)
Income statement (credit) / charge (33,138) 34,851
At the end of the year 1,059,076 1,085,442
Deferred tax liabilities, fixed assets [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
At the beginning of the year 568,638 618,874
Translation differences 646 (194)
Changes due to business combinations 3,014 [6] 1,223 [5]
Decrease due to deconsolidation of subsidiaries [3] (8)  
Charged to other comprehensive income
Income statement (credit) / charge (35,792) (51,265)
At the end of the year 536,498 568,638
Deferred tax liabilities, inventory [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
At the beginning of the year 75,230 114,335
Translation differences (72)
Changes due to business combinations [6] [5]
Decrease due to deconsolidation of subsidiaries [3]  
Charged to other comprehensive income
Income statement (credit) / charge (29,331) (39,033)
At the end of the year 45,899 75,230
Deferred tax liabilities, intangible assets and other [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
At the beginning of the year 114,217 160,202
Translation differences 413 (174)
Changes due to business combinations [6] 2,033 [5]
Decrease due to deconsolidation of subsidiaries [3]  
Charged to other comprehensive income (256) (904)
Income statement (credit) / charge (29,615) (46,940)
At the end of the year 84,759 114,217
Deferred Tax liabilities [member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
At the beginning of the year 758,085 893,411
Translation differences 1,059 (440)
Changes due to business combinations 3,014 [6] 3,256 [5]
Decrease due to deconsolidation of subsidiaries [3] (8)  
Charged to other comprehensive income (256) (904)
Income statement (credit) / charge (94,738) (137,238)
At the end of the year $ 667,156 $ 758,085
[1] For the year 2024, related to Mattr’s pipe coating business unit acquisition.
[2] For the year 2024, related to Mattr’s pipe coating business unit acquisitions.
[3] For the year 2025, related to the deconsolidation of Amaja Tubular Services Limited.
[4] For the year 2025, related to the acquisition of a scrap processing business in Beaver Falls, Pennsylvania. For more information see note 34.
[5] For the year 2024, related to Mattr’s pipe coating business unit acquisition.
[6] For the year 2025, related to the acquisition of a scrap processing business in Beaver Falls, Pennsylvania. For more information see note 34.