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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