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Strategic Investments - The Green Organic Dutchman Holdings Ltd. (Details) $ / shares in Units, $ in Thousands |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 27, 2018 CAD ($) $ / shares shares | Jun. 30, 2020 CAD ($) $ / shares shares | Jun. 30, 2020 CAD ($) $ / shares $ / shares shares | Jun. 30, 2019 CAD ($) $ / shares shares | Jun. 30, 2020 $ / shares | Jun. 30, 2018 CAD ($)
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |  |  |  |  |  |
Investments in subsidiaries, joint ventures and associates |  | $ 18,114 | $ 18,114 | $ 118,845 |  | $ 334,442
Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, assets |  | $ 11,955 |  | 144,368 |  |
Average share price (in CAD per share) | (per share) |  | $ 27.85 | $ 20.73 |  |  |
Share price (in CAD per share) | $ / shares |  |  |  |  | $ 12.42 |
Marketable securities designated at FVTOCI |  |  |  |  |  |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |  |  |  |  |  |
Transfer from (to) investment in associates |  | $ (1,775) |  | 280,702 |  |
Unrealized loss on changes in fair value |  | 43,613 |  | 78,837 |  |
Derivatives and convertible debentures at FVTPL |  |  |  |  |  |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |  |  |  |  |  |
Transfer from (to) investment in associates |  |  |  | (3,413) |  |
Unrealized loss on changes in fair value |  | $ 35,099 |  | $ 17,725 |  |
TGOD | Marketable securities designated at FVTOCI |  |  |  |  |  |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |  |  |  |  |  |
Total shareholdings (in shares) | shares | 39,674,584 | 0 | 0 |  |  |
Transfer from (to) investment in associates | $ 275,300 |  |  |  |  |
Quoted stock price (in CAD per share) | $ / shares | $ 6.94 |  |  |  |  |
Number of shares sold (in shares) | shares |  | 28,833,334 |  | 10,841,250 |  |
Proceeds from sale of common shares |  | $ 86,500 |  | $ 47,400 |  |
Average share price (in CAD per share) | $ / shares |  | $ 3.00 |  | $ 4.37 |  |
Loss on sale of shares |  | $ 115,300 |  | $ 28,300 |  |
Unrealized loss on changes in fair value |  | $ 6,700 |  |  |  |
Subscription Receipt Warrants and Milestone Options | TGOD | Derivatives and convertible debentures at FVTPL |  |  |  |  |  |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |  |  |  |  |  |
Quoted stock price (in CAD per share) | $ / shares |  |  |  | $ 1.41 |  |
Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, assets |  |  |  | $ (71,500) |  |
Fair value of financial instrument |  |  |  | 23,500 |  |
Subscription Receipt Warrants | TGOD | Derivatives and convertible debentures at FVTPL |  |  |  |  |  |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |  |  |  |  |  |
Quoted stock price (in CAD per share) | $ / shares |  | $ 0.065 | $ 0.065 |  |  |
Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, assets |  | $ (22,400) |  | (43,900) |  |
Number of warrants held by entity (in shares) | shares |  | 16,666,667 | 16,666,667 |  |  |
Fair value of financial instrument |  | $ 1,100 | $ 1,100 |  |  |
Milestone Options | TGOD | Derivatives and convertible debentures at FVTPL |  |  |  |  |  |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |  |  |  |  |  |
Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, assets |  |  |  | $ (27,600) |  |
Participation Right Warrants | TGOD | Derivatives and convertible debentures at FVTPL |  |  |  |  |  |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |  |  |  |  |  |
Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, assets |  | $ (600) |  |  |  |
Number of warrants held by entity (in shares) | shares |  |  |  | 3,170,625 |  |
Fair value of financial instrument |  |  |  | $ 600 |  |
Warrant expirations in period (in shares) | shares |  | 3,170,625 |  |  |  |
Share price (in CAD per share) | $ / shares |  |  |  | $ 3.23 |  |
Risk-free interest rate | Participation Right Warrants | TGOD | Derivatives and convertible debentures at FVTPL |  |  |  |  |  |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |  |  |  |  |  |
Significant unobservable input, assets |  |  |  | 0.0177 |  |
Dividend yield | Participation Right Warrants | TGOD | Derivatives and convertible debentures at FVTPL |  |  |  |  |  |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |  |  |  |  |  |
Significant unobservable input, assets |  |  |  | 0 |  |
Historical volatility for shares | Participation Right Warrants | TGOD | Derivatives and convertible debentures at FVTPL |  |  |  |  |  |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |  |  |  |  |  |
Significant unobservable input, assets |  |  |  | 0.7456 |  |
Expected life | Participation Right Warrants | TGOD | Derivatives and convertible debentures at FVTPL |  |  |  |  |  |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |  |  |  |  |  |
Significant unobservable input, assets |  |  |  | 0.84 |  |
TGOD |  |  |  |  |  |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |  |  |  |  |  |
Investments in subsidiaries, joint ventures and associates | $ 131,000 | $ 0 | $ 0 | $ 0 |  | $ 132,292
Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, assets |  |  |  | $ 144,400 |  |

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