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Assets Classified as Held for Sale - Additional Information (Details) - CAD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Sep. 13, 2017 | Mar. 31, 2018
Noncurrent Assets Or Disposal Groups Classified As Held For Sale Or As Held For Distribution To Owners [Abstract] |  |
Proceeds on assets classified as held for sale | $ 7,000 | $ 7,000
Deferred tax liabilities |  | $ 820
Term of agreement |  | 3 years

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- Definition Deferred tax liabilities associated with assets held for sale. + References No definition available. + Details
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- Definition Term of agreement. + References No definition available. + Details
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- References No definition available. + Details
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- Definition The cash inflow from the disposal of non-current assets or disposal groups classified as held for sale and discontinued operations. [Refer: Discontinued operations [member]; Disposal groups classified as held for sale [member]; Non-current assets or disposal groups classified as held for sale] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2017-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_16&doctype=Standard -URIDate 2017-03-09 + Details
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