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Other Expense (Income) - Schedule of Other Expense (Income) (Detail) - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Analysis of income and expense [abstract] |  |
Loss on sale of property and equipment | $ 1.7 | $ 0.2
Unrealized loss on equity securities | 4.9 |
Net realized gain on equity securities | (0.9) | (9.6)
Other | (5.6) | (0.6)
Total other expense (income) | $ 0.1 | $ (10.0)

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- Definition The gains (losses) on disposals of property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 98 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_98_c&doctype=Standard -URIDate 2018-03-16 + 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 2018-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_85&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition Miscellaneous other income expense. + References No definition available. + Details
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- Definition Realized gains losses on financial assets at fair value through profit or loss mandatorily measured at fair value. + References No definition available. + Details
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- Definition Unrealized gains losses on financial assets at fair value through profit or loss mandatorily measured at fair value. + References No definition available. + Details
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