v3.25.2
CAPITAL STOCK - Schedule of SBC Expense and TRS Fair Value Adjustments (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Employee SBC expense $ 15.2 $ 11.9 $ 41.2 $ 34.6
Total TRS FVAs: gains (97.4) (15.7) (78.3) (47.2)
Combined effect of employee SBC expense and TRS FVAs (82.2) (3.8) (37.1) (12.6)
Cost of sales        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Employee SBC expense 7.3 5.7 17.4 14.6
Total TRS FVAs: gains (40.6) (7.1) (33.1) (19.9)
SG&A        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Employee SBC expense 7.9 6.2 23.8 20.0
Total TRS FVAs: gains (56.8) (8.6) (45.2) (27.3)
SG&A | Director        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Employee SBC expense $ 0.5 $ 0.6 $ 1.1 $ 1.2