Inventories - Summary of Inventories (Parenthetical) (Detail) - USD ($) $ in Thousands	May 03, 2020	Apr. 28, 2019
Inventory [Line Items]
Inventories	$ 47,907	$ 50,860	[1]
inventories	$ 47,907	47,564
Inventories [Member]
Inventory [Line Items]
inventories		47,600
Current Assets Held For Sale - Discontinued Operation [Member]
Inventory [Line Items]
inventories		$ 3,300

[1] At April 28, 2019, inventory totaled $50.9 million, of which $47.6 million and $3.3 million were classified as inventory and within current assets held for sale – discontinued operation, respectively, in the accompanying Consolidated Balance Sheet.