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Related-Party Disclosures - Schedule of Transactions with Joint Ventures (Details) - Joint ventures - CAD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Disclosure of transactions between related parties [Line Items]    
Sales to Related Parties $ 96.3 $ 69.1
Distributions Paid 0.8 2.1
Amounts Owed by Related Parties $ 16.7 $ 12.6