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Non-Controlling Interests - Narrative (Details) | Jun. 30, 2020 CAD ($) | Aug. 18, 2019 | Jun. 30, 2019 CAD ($) | May 07, 2018 CAD ($) founder shares | Mar. 22, 2018 CAD ($) $ / shares shares | Nov. 14, 2017 CAD ($) shares | Aug. 19, 2019 CAD ($) shares | Jun. 30, 2018 CAD ($)
--- | --- | --- | --- | --- | --- | --- | --- | ---
Disclosure of information about unconsolidated subsidiaries [line items] |  |  |  |  |  |  |  |
Equity | $ 2,126,450,000 |  | $ 4,387,374,000 |  |  |  |  | $ 1,552,925,000
Consideration transferred |  |  | $ 3,181,453,000 |  |  |  |  |
Aurora Nordic |  |  |  |  |  |  |  |
Disclosure of information about unconsolidated subsidiaries [line items] |  |  |  |  |  |  |  |
Proportion of ownership interest | 51.00% |  | 51.00% |  |  |  |  |
Hempco |  |  |  |  |  |  |  |
Disclosure of information about unconsolidated subsidiaries [line items] |  |  |  |  |  |  |  |
Proportion of ownership interest |  | 51.00% |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  | 52.30% | 35.10% | 22.30% |  |
Number of units acquired (in shares) | shares |  |  |  |  |  | 10,558,676 |  |
Par value per unit (in CAD per share) |  |  |  |  |  | $ 0.3075 |  |
Proceeds from issuing other equity instruments |  |  |  |  |  | $ 3,200,000 |  |
Number of share purchase warrants exercised (in shares) | shares |  |  |  |  | 10,558,676 |  |  |
Exercise price of warrants (in CAD per share) | $ / shares |  |  |  |  | $ 0.41 |  |  |
Exercise cost of warrants |  |  |  |  | $ 4,300,000 |  |  |
Number of shares under call option agreement with majority owners (in shares) | shares |  |  |  | 10,754,942 |  |  |  |
Number of founders holding call options to be exercised | founder |  |  |  | 2 |  |  |  |
Exercise price of call options (in CAD per share) |  |  |  | $ 0.40 |  |  |  |
Exercise cost of call options |  |  |  | $ 4,300,000 |  |  |  |
Number of shares issued for acquisition (in shares) | shares |  |  |  |  |  |  | 217,554 |
Number of shares reserved for issuance (in shares) | shares |  |  |  |  |  |  | 20,217 |
Equity |  |  |  |  |  |  | $ 18,300,000 |
Consideration transferred |  |  |  |  |  |  | 20,400,000 |
Non-Controlling Interests |  |  |  |  |  |  |  |
Disclosure of information about unconsolidated subsidiaries [line items] |  |  |  |  |  |  |  |
Equity | $ (24,356,000) |  | $ 4,410,000 |  |  |  |  | $ 4,562,000
Non-Controlling Interests | Hempco |  |  |  |  |  |  |  |
Disclosure of information about unconsolidated subsidiaries [line items] |  |  |  |  |  |  |  |
Equity |  |  |  |  |  |  | $ 2,100,000 |

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