Quarterly report pursuant to Section 13 or 15(d)

Stock Grants to Employees - Additional Information (Detail)

v3.20.2
Stock Grants to Employees - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended
Jul. 31, 2020
Jan. 28, 2020
Aug. 31, 2020
Jun. 29, 2020
May 31, 2020
Common stock, shares issued     570,325,000 4,000,000 519,261,000
Nader Pourhassan [Member]          
Common stock, shares issued 323,157        
Shares paid for tax witholding For Share Based Compensation 156,570        
Share based compensation expense     $ 1.6    
Performance Shares [Member] | Directors And Officers [Member]          
Shares issued under compensation plan   11,650,000