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Share Capital (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jul. 15, 2022
Jun. 07, 2022
Jul. 31, 2023
Jul. 31, 2022
Jul. 31, 2023
Jul. 31, 2022
Share Capital            
Proceeds from Stock Options Exercised     $ 600 $ 100 $ 6,000 $ 500
Payments to satisfy employee tax withholding net share settlements         $ 4,886  
PSU and RSU            
Share Capital            
Employee tax withholding for net share settlements     0 0 63,330 0
Payments to satisfy employee tax withholding net share settlements     $ 0 $ 0 $ 4,900 $ 0
2022 Base Shelf Prospectus            
Share Capital            
Shelf Prospectus Period (Month) 25 months          
Stock issued during period, shares, new issues (in shares) 0          
NCIB            
Share Capital            
Stock issued during period, shares, new issues (in shares)   0        
Number of shares to be purchased for cancellation   7,400,000        
Maximum percentage of shares to be repurchased for cancellation   10.00%