v3.25.4
Accounts payable and accrued liabilities - Schedule of Accounts Payable and Accrued Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Accounts payable:    
Accounts payable $ 231.3 $ 250.0
Current accrued liabilities:    
Employee benefits 38.0 37.8
Accrued development costs 25.2 30.0
Deferred income 25.9 28.2
Accrued sales discounts and rebates 25.1 27.6
Interest 14.2 11.4
Accrued severance cost 8.8 0.9
Operating lease liabilities $ 4.2 $ 3.5
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Accrued Liabilities, Current Accrued Liabilities, Current
Payables to affiliates $ 1.4 $ 17.1
Accrued litigation settlement   16.4
Other 57.2 59.7
Total 198.6 199.1
Other noncurrent liabilities    
Accrued development costs 16.1 26.8
Operating lease liabilities $ 15.7 $ 17.1
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Total Total
Insurance claims and expenses $ 16.1 $ 16.6
Deferred income 2.9 11.8
Asset retirement obligations 14.7 14.3
Other postretirement benefits 6.4 6.7
Employee benefits 4.6 4.5
Earn-out liability   4.3
Other 0.5 0.6
Total 77.0 102.7
Kronos Worldwide    
Accounts payable:    
Accounts payable 224.0 232.4
CompX    
Accounts payable:    
Accounts payable 2.7 3.7
BMI/LandWell    
Accounts payable:    
Accounts payable 2.6 8.0
Other    
Accounts payable:    
Distributions payable to noncontrolling interest 2.0 5.9
Contran    
Accounts payable:    
Income taxes payable current   16.9
Contran - other $ 0.1 $ 0.2