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Other (Income) Expense - Schedule of Other (Income) Expense (Detail) - CAD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Analysis of income and expense [abstract]
Unrealized (gain) loss on equity securities	$ (7.9)	$ 4.9
Other	(0.3)	(4.8)
Total other (income) expense	$ (8.2)	$ 0.1

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- Definition

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
-Name IAS
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-IssueDate 2019-01-01
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-URIDate 2019-03-27

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Miscellaneous other income expense.

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Unrealized gains losses on financial assets at fair value through profit or loss mandatorily measured at fair value.

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