Quarterly report pursuant to Section 13 or 15(d)

Employee Stock Plans - Components of Stock-Based Compensation Expense Recognized (Detail)

v3.22.2.2
Employee Stock Plans - Components of Stock-Based Compensation Expense Recognized (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense $ 7,757 $ 7,158
Restricted Stock    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense 7,538 6,962
ESPP    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense $ 219 $ 196