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Components of Changes in Non-cash Working Capital Balances (Detail) - CAD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Disclosure Of Change In Noncash Working Capital Balances [Abstract] |  |
Accounts receivable | $ (41,309) | $ 11,688
Inventory | (3,902) | (429)
Accounts payable and accrued liabilities | (30,158) | (3,136)
Non cash working capital | (75,369) | 8,123
Operations | (67,380) | 17,133
Investments | $ (7,989) | $ (9,010)

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- Definition Adjustments for decrease (increase) in inventories to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Inventories; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2016-01-13 -Paragraph 20 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2016-03-30&anchor=para_20_a&doctype=Standard -URIDate 2016-03-31 + Details
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- Definition Adjustments for decrease (increase) in trade and other receivables to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Trade and other receivables; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2016-01-13 -Paragraph 20 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2016-03-30&anchor=para_20&doctype=Standard -URIDate 2016-03-31 + Details
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- Definition Adjustments for increase (decrease) in trade and other payables to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Trade and other payables; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2016-01-13 -Paragraph 20 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2016-03-30&anchor=para_20&doctype=Standard -URIDate 2016-03-31 + Details
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- Definition The increase (decrease) in working capital. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2016-01-13 -Paragraph 20 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2016-03-30&anchor=para_20&doctype=Standard -URIDate 2016-03-31 + Details
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- Definition Changes in non-cash balances related to operating activities + References No definition available. + Details
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- Definition Disclosure Of Change In Non-cash Working Capital Balances [Abstract] + References No definition available. + Details
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- Definition Non cash working capital balance. + References No definition available. + Details
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