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Share capital and Contributed Surplus - Schedule of range of exercise prices of outstanding share options (Details) | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2020 share $ / shares | Sep. 30, 2022 share $ / shares | Sep. 30, 2021 share $ / shares | Dec. 31, 2019 share $ / shares
Disclosure of classes of share capital [line items] |  |  |  |
Number outstanding | 28,838 | 57,108 | 59,536 | 0
Weighted average remaining contractual life | 4 years 1 month 24 days | 3 years 5 months 23 days |  |
Weighted average outstanding strike price | $ / shares | $ 45.5 | $ 83.87 | $ 95.9 | $ 0
Number exercisable | 7,474 | 43,618 |  |
Remaining exercisable contractual life |  | 3 years 3 months 3 days |  |
Weighted average exercisable strike price | $ / shares | $ 42 | $ 83.9 |  |
Exercise price $33.00 [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Exercise price of outstanding share options | $ / shares | $ 33 |  |  |
Number outstanding | 1,224 |  |  |
Weighted average remaining contractual life | 2 years 8 months 15 days |  |  |
Number exercisable | 1,224 |  |  |
Exercise price $35.00 [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Exercise price of outstanding share options | $ / shares | $ 35 |  |  |
Number outstanding | 2,614 |  |  |
Weighted average remaining contractual life | 8 months 1 day |  |  |
Number exercisable | 0 |  |  |
Exercise price $46.00 [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Exercise price of outstanding share options | $ / shares | $ 46 |  |  |
Number outstanding | 13,214 |  |  |
Weighted average remaining contractual life | 4 years 4 months 28 days |  |  |
Number exercisable | 3,304 |  |  |
Exercise price $49.00 [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Exercise price of outstanding share options | $ / shares | $ 49 |  |  |
Number outstanding | 11,786 |  |  |
Weighted average remaining contractual life | 4 years 9 months 14 days |  |  |
Number exercisable | 2,946 |  |  |
$14.70 to $41.16 [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Number outstanding |  | 4,592 |  |
Weighted average remaining contractual life |  | 4 years 6 months 14 days |  |
Weighted average outstanding strike price | $ / shares |  | $ 15.91 |  |
Number exercisable |  | 306 |  |
Remaining exercisable contractual life |  | 8 months 15 days |  |
Weighted average exercisable strike price | $ / shares |  | $ 32.9 |  |
$14.70 to $41.16 [Member] | Bottom of range [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Exercise price of outstanding share options | $ / shares |  | $ 14.7 |  |
$14.70 to $41.16 [Member] | Top of range [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Number outstanding |  | 41.16 |  |
$41.17 to $67.63 [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Number outstanding |  | 12,329 |  |
Weighted average remaining contractual life |  | 2 years 8 months 26 days |  |
Weighted average outstanding strike price | $ / shares |  | $ 48.74 |  |
Number exercisable |  | 12,329 |  |
Remaining exercisable contractual life |  | 2 years 8 months 26 days |  |
Weighted average exercisable strike price | $ / shares |  | $ 48.74 |  |
$41.17 to $67.63 [Member] | Bottom of range [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Exercise price of outstanding share options | $ / shares |  | $ 41.17 |  |
$41.17 to $67.63 [Member] | Top of range [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Number outstanding |  | 67.63 |  |
$67.64 to $94.10 [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Number outstanding |  | 20,973 |  |
Weighted average remaining contractual life |  | 3 years 5 months 19 days |  |
Weighted average outstanding strike price | $ / shares |  | $ 78.02 |  |
Number exercisable |  | 17,080 |  |
Remaining exercisable contractual life |  | 3 years 4 months 17 days |  |
Weighted average exercisable strike price | $ / shares |  | $ 75.79 |  |
$67.64 to $94.10 [Member] | Bottom of range [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Exercise price of outstanding share options | $ / shares |  | $ 67.64 |  |
$67.64 to $94.10 [Member] | Top of range [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Number outstanding |  | 94.1 |  |
$94.11 to 120.57 [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Number outstanding |  | 7,448 |  |
Weighted average remaining contractual life |  | 3 years 4 months 2 days |  |
Weighted average outstanding strike price | $ / shares |  | $ 118.59 |  |
Number exercisable |  | 7,448 |  |
Remaining exercisable contractual life |  | 3 years 4 months 2 days |  |
Weighted average exercisable strike price | $ / shares |  | $ 118.59 |  |
$94.11 to 120.57 [Member] | Bottom of range [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Exercise price of outstanding share options | $ / shares |  | $ 94.11 |  |
$94.11 to 120.57 [Member] | Top of range [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Number outstanding |  | 120.57 |  |
$120.58 to $147.00 [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Number outstanding |  | 11,766 |  |
Weighted average remaining contractual life |  | 3 years 11 months 12 days |  |
Weighted average outstanding strike price | $ / shares |  | $ 135.66 |  |
Number exercisable |  | 6,455 |  |
Remaining exercisable contractual life |  | 3 years 11 months 19 days |  |
Weighted average exercisable strike price | $ / shares |  | $ 134.87 |  |
$120.58 to $147.00 [Member] | Bottom of range [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Exercise price of outstanding share options | $ / shares |  | $ 120.58 |  |
$120.58 to $147.00 [Member] | Top of range [Member] |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Number outstanding |  | 147 |  |

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