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Other Income (Details) - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Analysis of income and expense [abstract] |  |
Realized gain on equity securities | $ (15.6) | $ (2.0)
Unrealized loss (gain) on equity securities | 18.0 | (13.9)
Gain on disposition of intangible asset | 5.6 | 0.0
Other | (1.7) | (1.3)
Total other income | $ (4.9) | $ (17.2)

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- Definition 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] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 20 -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_20_a_i&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of operating income (expense) that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 85 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_85&doctype=Standard -URIDate 2022-03-24 + Details
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