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Inventory - Additional Information (Details) - CAD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 | Mar. 31, 2018 | Mar. 31, 2017
Classes Of Inventories [Abstract] |  |  |
Inventories expensed during the period |  | $ 92,683 | $ 39,210
Fair value changes in biological assets included in inventory sold and other inventory charges |  | 66,268 | $ 34,978
Fair value changes in biological assets included in inventory sold |  | 40,509 |
Other inventory charges included in the fair value changes in biological assets included in inventory sold and other inventory charges |  | 25,759 |
Net realizable value adjustment for anticipated price changes |  | $ 8,431 |
Inventory write-off | $ 7,903 |  |

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- Definition The amount of inventories recognised as an expense during the period. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 2 -IssueDate 2017-01-01 -Paragraph 36 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=2&date=2017-03-01&anchor=para_36_d&doctype=Standard -URIDate 2017-03-09 + Details
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