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Strategic Investments - Radient Technologies Inc. (Details) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2020 CAD ($) shares | Jun. 30, 2019 CAD ($) year shares
Disclosure of financial assets [line items] |  |
Unrealized losses on marketable securities | $ 43,613 | $ 78,837
Unrealized loss on derivative investments | 34,069 | 14,866
Losses recognised in other comprehensive income, fair value measurement, assets | (11,955) | (144,368)
Marketable securities designated at FVTOCI |  |
Disclosure of financial assets [line items] |  |
Unrealized losses on marketable securities | 43,613 | 78,837
Derivatives and convertible debentures at FVTPL |  |
Disclosure of financial assets [line items] |  |
Unrealized loss on derivative investments | $ 34,069 | $ 14,866
Radient | Marketable securities designated at FVTOCI |  |
Disclosure of financial assets [line items] |  |
Total shareholdings (in shares) | shares | 37,643,431 | 37,643,431
Fair value of financial instrument | $ 6,000 | $ 30,900
Unrealized losses on marketable securities | $ 24,800 | 13,200
Radient | Warrants | Derivatives and convertible debentures at FVTPL |  |
Disclosure of financial assets [line items] |  |
Fair value of financial instrument |  | $ 100
Warrant expirations in period (in shares) | shares | 4,541,889 |
Unrealized loss on derivative investments | $ 100 |
Number of warrants held by entity (in shares) | shares |  | 4,541,889
Losses recognised in other comprehensive income, fair value measurement, assets |  | $ 1,300
Risk-free interest rate | Radient | Warrants | Derivatives and convertible debentures at FVTPL |  |
Disclosure of financial assets [line items] |  |
Significant unobservable input, assets |  | 0.0152
Dividend yield | Radient | Warrants | Derivatives and convertible debentures at FVTPL |  |
Disclosure of financial assets [line items] |  |
Significant unobservable input, assets |  | 0
Historical volatility for shares | Radient | Warrants | Derivatives and convertible debentures at FVTPL |  |
Disclosure of financial assets [line items] |  |
Significant unobservable input, assets |  | 0.7510
Expected life | Radient | Warrants | Derivatives and convertible debentures at FVTPL |  |
Disclosure of financial assets [line items] |  |
Significant unobservable input, assets | year |  | 0.45

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