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STOCK-BASED COMPENSATION - Narrative (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2024
USD ($)
shares
Dec. 31, 2023
USD ($)
shares
Dec. 31, 2022
USD ($)
shares
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Expense from share-based payment transactions with employees $ 20.0 $ 25.0  
Liabilities from share-based payment transactions 54.0 50.0  
Restricted share units [member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Expense from share-based payment transactions with employees $ 35.0 $ 30.0  
Weighted average remaining contractual life 9 months 25 days 9 months 25 days  
Number of common shares per unit of share-based payment arrangement | shares 1    
Number of units outstanding (shares) | shares 3,686,000 2,855,000 2,337,000
Liabilities from share-based payment transactions $ 39.3 $ 34.0 $ 26.3
Aggregate share-based liability, fair value, other equity instruments, exercised or vested (31.3) (23.2)  
Aggregate share-based liability, fair value, other equity instruments, granted 37.6 32.9  
Aggregate share-based liability fair value, other equity instruments, credit for dividends 1.7 1.4  
Increase (decrease) in aggregate share-based liability, fair value, other equity instruments $ (2.7) $ (3.4)  
PGSUs      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of common shares per unit of share-based payment arrangement | shares 1    
Number of units outstanding (shares) | shares 3,453,000 3,002,000  
Liabilities from share-based payment transactions $ 38.0 $ 36.0  
Deferred Share Units [Member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of common shares per unit of share-based payment arrangement | shares 1    
Number of units outstanding (shares) | shares 772,000 1,011,000 837,000
Liabilities from share-based payment transactions $ 12.0 $ 18.3 $ 14.4
Aggregate share-based liability, fair value, other equity instruments, exercised or vested (6.7) 0.0  
Aggregate share-based liability, fair value, other equity instruments, granted 2.5 2.9  
Aggregate share-based liability fair value, other equity instruments, credit for dividends 0.0 0.0  
Increase (decrease) in aggregate share-based liability, fair value, other equity instruments $ (2.1) $ 1.0