Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.2.2
Significant Accounting Policies - Schedule of Anti-dilutive Securities Excluded from Computation of Net (Loss) Income Per Share (Detail) - shares
shares in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Jul. 31, 2022
Jul. 31, 2021
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Anti-dilutive potentially outstanding common shares 1,620 1,628 1,213 1,836
Stock Options [Member]        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Anti-dilutive potentially outstanding common shares 1,172 1,453 1,205 1,671
Restricted Stock Units [Member]        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Anti-dilutive potentially outstanding common shares 448 113 8 124
Deferred Stock Units [Member]        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Anti-dilutive potentially outstanding common shares   62   41