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Stock-Based Compensation - Summary of Performance-Based Restricted Stock Units Vested (Detail) - Performance-Based Restricted Stock Units [Member] - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Aug. 02, 2020
Aug. 04, 2019
Senior Executives [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Performance-Based Restricted Stock Units Vested [1] 3,277  
Fair Value [1],[2] $ 33  
Price Per Share [1],[3] $ 9.96  
Key Employees [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Performance-Based Restricted Stock Units Vested [1] 3,710  
Fair Value [1],[2] $ 37  
Price Per Share [1],[3] $ 9.96  
Key Employees and Senior Executives [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Performance-Based Restricted Stock Units Vested [1]   11,351
Fair Value [1],[2]   $ 197
Price Per Share [1],[3]   $ 17.36
Non-employee [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Performance-Based Restricted Stock Units Vested [4]   4,961
Fair Value [2],[4]   $ 86
Price Per Share [3],[4]   $ 17.36
[1] Certain senior executives and key employees.
[2] Dollar amounts are in thousands.
[3] Price per share is derived from the closing price of our common stock on the date the respective performance based restricted stock units vested.
[4] Non-employee