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Condensed Consolidating Statement of Cash Flow (Detail) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Disclosure of subsidiaries [Line Items] |  |
Operations | $ 116,555 | $ 122,508
Investments | (91,150) | (213,925)
Financing | (73,784) | (218,324)
Effects of exchange rate changes on cash and cash equivalents | (2,245) | (19,313)
Decrease in cash and cash equivalents | (50,624) | (329,054)
Cash and cash equivalents, beginning of year | 115,705 | 444,759
Cash and cash equivalents, end of year | 65,081 | 115,705
Parent Company [Member] |  |
Disclosure of subsidiaries [Line Items] |  |
Operations | (160,698) | (185,430)
Investments | 191,638 | 145,451
Financing | (73,784) | (218,324)
Effects of exchange rate changes on cash and cash equivalents | 1,893 | (10,661)
Decrease in cash and cash equivalents | (40,951) | (268,964)
Cash and cash equivalents, beginning of year | 61,794 | 330,758
Cash and cash equivalents, end of year | 20,843 | 61,794
Guarantor Subsidiaries [Member] |  |
Disclosure of subsidiaries [Line Items] |  |
Operations | 243,364 | 298,342
Investments | (58,942) | (65,939)
Financing | (190,360) | (257,263)
Effects of exchange rate changes on cash and cash equivalents | (1,778) | (5,041)
Decrease in cash and cash equivalents | (7,716) | (29,901)
Cash and cash equivalents, beginning of year | 13,138 | 43,039
Cash and cash equivalents, end of year | 5,422 | 13,138
Non-Guarantor Subsidiaries [Member] |  |
Disclosure of subsidiaries [Line Items] |  |
Operations | 33,889 | 9,596
Investments | (11,152) | (149,151)
Financing | (22,334) | 112,977
Effects of exchange rate changes on cash and cash equivalents | (2,360) | (3,611)
Decrease in cash and cash equivalents | (1,957) | (30,189)
Cash and cash equivalents, beginning of year | 40,773 | 70,962
Cash and cash equivalents, end of year | 38,816 | 40,773
Consolidating Adjustments [Member] |  |
Disclosure of subsidiaries [Line Items] |  |
Investments | (212,694) | (144,286)
Financing | $ 212,694 | $ 144,286

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- Definition The cash flows from (used in) financing activities, which are activities that result in changes in the size and composition of the contributed equity and borrowings of the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2016-01-13 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2016-03-30&anchor=para_10&doctype=Standard -URIDate 2016-03-31 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2016-01-13 -Paragraph 50 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2016-03-30&anchor=para_50_d&doctype=Standard -URIDate 2016-03-31 + Details
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