Business Combination Achieved in Stages - Summary of Equity Method Investment (Detail) - USD ($) $ in Thousands	May 02, 2021	May 03, 2020	Apr. 28, 2019	Apr. 29, 2018
Business Acquisition [Line Items]
total assets	$ 214,080	$ 215,084
total liabilities	85,074	85,386
total members’ equity	$ 129,006	129,698	$ 164,247	$ 163,376
CIH [Member]
Business Acquisition [Line Items]
total assets		3,338
total liabilities		133
total members’ equity		$ 3,205