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Other Income (Details) - CAD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Analysis of income and expense [abstract]
Realized gain on investments	$ (4.6)	$ (0.6)
Gain on disposition of intangible asset	(7.0)	0.0
Unrealized gain on equity securities	(6.1)	(10.5)
Other	4.1	5.9
Total other income	$ (13.6)	$ (5.2)

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The gains (losses) on financial assets mandatorily measured at fair value through profit or loss in accordance with IFRS 9. [Refer: Financial assets at fair value through profit or loss, mandatorily measured at fair value; Gains (losses) on financial assets at fair value through profit or loss; Financial liabilities]

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The amount of operating income (expense) that the entity does not separately disclose in the same statement or note.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Gain (Loss) On Disposition Of Intangible Asset

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Miscellaneous other income expense.

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Realized Gains (Losses) On Financial Assets At Fair Value Through Profit Or Loss, Mandatorily Measured At Fair Value

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