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Stock-Based Compensation - Summary of Vested Performance-Based Restricted Stock Units (Detail) - Performance Based Restricted Stock Units [Member] - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Jan. 29, 2023
Jan. 30, 2022
Senior Executives [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Units Vested [1] 545 5,051
Fair Value [1],[2] $ 3 $ 87
Price Per Share [1],[3] $ 5.10 $ 17.14
Key Employees [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Units Vested [4] 437 5,812
Fair Value [2],[4] $ 2 $ 100
Price Per Share [3],[4] $ 5.10 $ 17.14
[1] Performance-based restricted stock units vested by senior executives.
[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] Performance-based restricted stock units vested by key employees.