v3.26.1
Restructuring Charges and Asset Write-Offs - Changes in Restructuring Liabilities (Details) - USD ($)
$ in Thousands
 3 Months Ended 21 Months Ended
Mar. 31, 2026
Mar. 31, 2026
Accrued expenses    
Restructuring Reserve [Roll Forward]    
Ending balance $ 22,200 $ 22,200
Other noncurrent liabilities    
Restructuring Reserve [Roll Forward]    
Ending balance 10,200 10,200
Kemerton Train 1 Restructuring    
Restructuring Reserve [Roll Forward]    
Beginning balance 0  
Charges $ 24,676  
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Restructuring charges and asset write-offs  
Cash payments $ (10,518)  
Asset write-off (2,612)  
Foreign currency translation adjustments and other (228)  
Ending balance 11,318 11,318
Kemerton Train 1 Restructuring | Decommissioning Costs    
Restructuring Reserve [Roll Forward]    
Beginning balance 0  
Charges 4,343  
Cash payments (4,343)  
Asset write-off 0  
Foreign currency translation adjustments and other 0  
Ending balance 0 0
Kemerton Train 1 Restructuring | Asset Write-offs    
Restructuring Reserve [Roll Forward]    
Beginning balance 0  
Charges 2,732  
Cash payments 0  
Asset write-off (2,612)  
Foreign currency translation adjustments and other 0  
Ending balance 120 120
Kemerton Train 1 Restructuring | Severance and Employee Benefits    
Restructuring Reserve [Roll Forward]    
Beginning balance 0  
Charges 15,397  
Cash payments (6,023)  
Asset write-off 0  
Foreign currency translation adjustments and other (228)  
Ending balance 9,146 9,146
Kemerton Train 1 Restructuring | Contract Cancellation Costs    
Restructuring Reserve [Roll Forward]    
Beginning balance 0  
Charges 1,013  
Cash payments 0  
Asset write-off 0  
Foreign currency translation adjustments and other 0  
Ending balance 1,013 1,013
Kemerton Train 1 Restructuring | Other    
Restructuring Reserve [Roll Forward]    
Beginning balance 0  
Charges 1,191  
Cash payments (152)  
Asset write-off 0  
Foreign currency translation adjustments and other 0  
Ending balance 1,039 1,039
Second Half 2024 Restructuring    
Restructuring Reserve [Roll Forward]    
Beginning balance 22,116  
Charges $ 1,190  
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Restructuring charges and asset write-offs  
Cash payments $ (2,018)  
Foreign currency translation adjustments and other (189)  
Ending balance 21,099 21,099
Second Half 2024 Restructuring | Decommissioning Costs    
Restructuring Reserve [Roll Forward]    
Beginning balance 0  
Charges 1,190 13,000
Cash payments (1,190)  
Foreign currency translation adjustments and other 0  
Ending balance 0 0
Second Half 2024 Restructuring | Asset Write-offs    
Restructuring Reserve [Roll Forward]    
Beginning balance 0  
Charges 0 726,000
Cash payments 0  
Foreign currency translation adjustments and other 0  
Ending balance 0 0
Second Half 2024 Restructuring | Severance and Employee Benefits    
Restructuring Reserve [Roll Forward]    
Beginning balance 1,115  
Charges 0 53,400
Cash payments (828)  
Foreign currency translation adjustments and other (189)  
Ending balance 98 98
Second Half 2024 Restructuring | Contract Cancellation Costs    
Restructuring Reserve [Roll Forward]    
Beginning balance 16,158  
Charges 0 38,400
Cash payments 0  
Foreign currency translation adjustments and other 0  
Ending balance 16,158 16,158
Second Half 2024 Restructuring | Other    
Restructuring Reserve [Roll Forward]    
Beginning balance 4,843  
Charges 0 29,300
Cash payments 0  
Foreign currency translation adjustments and other 0  
Ending balance $ 4,843 $ 4,843