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PENSIONS - Schedule of Sensitivity analysis (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Sensitivity analysis      
Change in assumption, discount rate 0.25%    
Change in assumption, inflation rate 0.25%    
Discount rate      
Sensitivity analysis      
Impact on defined benefit obligation, discount rate $ 4.5 $ 4.4 $ 4.8
Inflation rate      
Sensitivity analysis      
Impact on defined benefit obligation 0.8 0.8 1.1
Mortality rate      
Sensitivity analysis      
Impact on defined benefit obligation $ 4.0 $ 3.8 $ 4.0