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Share-Based Compensation - Summary of Options Outstanding (Details) | 12 Months Ended
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Jun. 30, 2020 shares $ / shares | Jun. 30, 2019 shares $ / shares
Stock Options |  |
Options outstanding, beginning (in shares) | shares | 5,693,397 | 2,346,343
Granted (in shares) | shares | 1,232,796 | 4,897,993
Exercised (in shares) | shares | (103,828) | (1,202,242)
Expired (in shares) | shares | (135,926) |
Forfeited (in shares) | shares | (937,936) | (348,697)
Options outstanding, ending (in shares) | shares | 5,748,503 | 5,693,397
Weighted Average Exercise Price |  |
Options outstanding, beginning (in CAD per share) | $ 95.88 | $ 64.32
Granted (in CAD per share) | 54.27 | 97.44
Exercised (in CAD per share) | 26.91 | 38.64
Expired (in CAD per share) | 51.72 |
Forfeited (in CAD per share) | 98.94 | 100.92
Options outstanding, ending (in CAD per share) | 88.60 | 95.88
Weighted average share price for share options in share-based payment arrangement exercised during period at date of exercise (in CAD per share) | $ 78.08 |
Weighted average share price (in CAD per share) |  | $ 120.60

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