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Net Interest Expense and Other Net Finance Expense - Schedule of Interest Expense (Detail) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Disclosure of net interest expense income [line items] |  |
Interest on finance leases | $ 0.5 | $ 0.1
Other | 0.6 | 1.7
Total interest expense | 31.6 | 29.1
Interest income on FVOCI investment debt securities | (2.5) | (2.4)
Other | (0.4) | (0.8)
Total interest income | (2.9) | (3.2)
Net interest expense | 28.7 | 25.9
Notes payable [member] |  |
Disclosure of net interest expense income [line items] |  |
Interest Expense | 2.1 | 2.9
Revolving credit facilities [member] |  |
Disclosure of net interest expense income [line items] |  |
Interest Expense | $ 28.4 | $ 24.4

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- Definition The amount of interest expense on borrowings. [Refer: Interest expense; Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of interest expense on finance leases. [Refer: Interest expense] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2019-01-01 -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-02&anchor=para_112_c&doctype=Standard&book=b -URIDate 2018-03-16 + Details
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