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Basis of Presentation - Disclosure of Company Subsidiaries and Ownership Interest Held by Non-Controlling Interests (Details) | 12 Months Ended
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Mar. 31, 2018
Canopy Rivers Corporation |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Canopy Rivers Corporation
Non-controlling interests | 68.50%
Tweed Inc. |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Tweed Inc.
Tweed Farms Inc. |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Tweed Farms Inc.
Bedrocan Canada Inc. |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Bedrocan Canada Inc.
Spectrum Cannabis Canada Ltd. |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Spectrum Cannabis Canada Ltd. (formerly Mettrum Ltd.)
Tweed Grasslands Cannabis Inc. |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Tweed Grasslands Cannabis Inc.
Les Serres Vert Cannabis |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Les Serres Vert Cannabis
Non-controlling interests | 33.30%
Spot Therapeutics Inc. |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Spot Therapeutics Inc.
Vert Cannabis Inc. |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Vert Cannabis Inc.
Mettrum Hempworks Inc. |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Mettrum Hempworks Inc.
Groupe H.E.M.P.CA |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Groupe H.E.M.P.CA
Non-controlling interests | 25.00%
Spectrum Health Corp. |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Spectrum Health Corp. (formerly Mettrum Health Corp.)
10252832 Canada Inc |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | 10252832 Canada Inc
9388036 Canada Inc. |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | 9388036 Canada Inc.
10663824 Canada Inc. |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | 10663824 Canada Inc.
80694 Newfoundand and Labrador Inc. |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | 80694 Newfoundand and Labrador Inc.
2344823 Ontario Inc. d/b/a Bodystream |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | 2344823 Ontario Inc. d/b/a Bodystream
Apollo Applied Research Inc. and Apollo CRO Inc. |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Apollo Applied Research Inc. and Apollo CRO Inc.
Spektrum Cannabis GmbH |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Spektrum Cannabis GmbH
Canopy LATAM Corporation |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Canopy LATAM Corporation
Spectrum Chile SpA |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Spectrum Chile SpA
Non-controlling interests | 15.00%
Grow House JA Limited |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Grow House JA Limited
Non-controlling interests | 51.00%
Spectrum Cannabis Denmark Aps |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Spectrum Cannabis Denmark Aps
Spectrum Polska Sp |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Spectrum Polska Sp
Spectrum Cannabis Australia PTY Ltd. |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Spectrum Cannabis Australia PTY Ltd.
Spectrum Cannabis Italia srl |
Disclosure Of Significant Investments In Subsidiaries [Line Items] |
Subsidiaries | Spectrum Cannabis Italia srl

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The name of a subsidiary. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2017-01-01 -Paragraph 17 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2017-03-01&anchor=para_17_b_i&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2017-01-01 -Paragraph 16 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2017-03-01&anchor=para_16_b_i&doctype=Standard -URIDate 2017-03-09 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2017-01-01 -Paragraph 12 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2017-03-01&anchor=para_12_a&doctype=Standard -URIDate 2017-03-09 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2017-01-01 -Paragraph 19B -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2017-03-01&anchor=para_19B_a&doctype=Standard -URIDate 2017-03-09 + Details
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