v3.24.0.1
FINANCIAL INSTRUMENTS AND RISK MANAGEMENT - Trade Receivables Aging (Details) - Trade receivables - CAD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Disclosure of provision matrix [line items]    
Trade receivable $ 1,019.1 $ 1,054.4
0-60 days    
Disclosure of provision matrix [line items]    
Trade receivable 787.8 781.4
61-90 days    
Disclosure of provision matrix [line items]    
Trade receivable 103.7 107.8
91+ days    
Disclosure of provision matrix [line items]    
Trade receivable $ 127.6 $ 165.2