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Nature of Business and Summary of Significant Accounting Policies - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Apr. 30, 2022
May 01, 2021
May 02, 2020
Accounting Policies [Abstract]      
Net income $ 592 $ 10,926 $ 491
Basic earnings per share, shares (in shares) 45,188,000 44,989,000 45,031,000
Basic earnings per share (in dollars per share) $ 0.01 $ 0.24 $ 0.01
Dilution associated with stock compensation plans, shares (in shares) 138,000 213,000 285,000
Diluted earnings per share $ 592 $ 10,926 $ 491
Diluted earnings per share, shares (in shares) 45,326,000 45,202,000 45,316,000
Diluted earnings per share (in dollars per share) $ 0.01 $ 0.24 $ 0.01