Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Schedule of Dilutive Securities Included from Computation of Loss Per Share (Detail)

v3.21.2
Significant Accounting Policies - Schedule of Dilutive Securities Included from Computation of Loss Per Share (Detail)
shares in Thousands
 3 Months Ended
Jul. 31, 2021
shares
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]  
Weighted Average Number Diluted Shares Outstanding Adjustment 238
Restricted Stock Units [Member]  
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]  
Weighted Average Number Diluted Shares Outstanding Adjustment 159
Deferred Stock Units [Member]  
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]  
Weighted Average Number Diluted Shares Outstanding Adjustment 79