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Share Capital (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 09, 2023
Jul. 15, 2022
Jan. 31, 2024
Jan. 31, 2023
Jan. 31, 2022
Jun. 10, 2022
Share Capital            
Proceeds from stock options exercised     $ 9,300 $ 1,700 $ 2,700  
Payments to satisfy employee tax withholding net share settlements     $ 4,886      
PSU and RSU            
Share Capital            
Employee tax withholding for net share settlements     63,330 0 0  
Payments to satisfy employee tax withholding net share settlements     $ 4,900 $ 0 $ 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%