Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Schedule of Anti-dilutive Securities Excluded from Computation of Net Loss Per Share (Detail)

v3.23.1
Significant Accounting Policies - Schedule of Anti-dilutive Securities Excluded from Computation of Net Loss Per Share (Detail) - shares
shares in Thousands
 3 Months Ended
Apr. 30, 2023
Apr. 30, 2022
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Anti-dilutive potentially outstanding common shares 173 137
Stock Options [Member]    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Anti-dilutive potentially outstanding common shares 33 61
Restricted Stock Units And Deferred Stock Units [Member]    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Anti-dilutive potentially outstanding common shares 98 61
Performance Stock Units [Member]    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Anti-dilutive potentially outstanding common shares 42 15