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Other Operating Gains (Losses), Net (Details) - CAD ($)
$ in Millions
 1 Months Ended 3 Months Ended 9 Months Ended
Jul. 31, 2025
Sep. 30, 2025
Sep. 30, 2025
Other Operating Gains (Losses), Net [Abstract]      
Proceeds amount $ 1.3    
Purchase price 0.3    
Working capital $ 1.0    
Gain on disposal of subsidiaries   $ 0.2 $ 0.2