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Strategic Investments - Cann Group Limited (Details) $ / shares in Units, $ in Thousands, $ in Millions |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2020 CAD ($) shares | Jun. 30, 2019 CAD ($) shares | Jun. 30, 2020 CAD ($) shares | Jun. 30, 2019 CAD ($) shares | Jun. 30, 2020 AUD ($) $ / shares shares | Jun. 30, 2020 $ / shares | Jun. 30, 2019 AUD ($) $ / shares shares
Disclosure of associates [line items] |  |  |  |  |  |  |
Share price (in A$ per share) | $ / shares |  |  |  |  |  | $ 12.42 |
Impairment | $ |  |  | $ 75,035 | $ 88,932 |  |  |
Cann Group |  |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |  |
Total shareholdings (in shares) | shares | 31,956,347 | 31,956,347 | 31,956,347 | 31,956,347 | 31,956,347 |  | 31,956,347
Proportion of ownership interest in associate | 22.40% | 22.50% |  |  |  |  |
Share price (in A$ per share) | $ / shares |  |  |  |  | $ 0.79 |  | $ 1.96
Fair value of investment in associates | $ 23,400 | $ 57,000 | $ 23,400 | $ 57,000 | $ 25.0 |  | $ 62.0
Impairment | $ |  |  | $ 37,213 | $ 18,158 |  |  |

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