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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
6 Months Ended
Oct. 31, 2021
Nov. 01, 2020
Senior Executives [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Performance-Based Restricted Stock Units Vested [1] 6,734 3,277
Fair Value [1],[2] $ 115 $ 33
Price Per Share [1],[3] $ 17.14 $ 9.96
Key Employees [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Performance-Based Restricted Stock Units Vested [4] 5,812 3,710
Fair Value [2],[4] $ 100 $ 37
Price Per Share [3],[4] $ 17.14 $ 9.96
[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.