Intangible Assets - Summary of Intangible Assets (Parenthetical) (Detail) - USD ($) $ in Thousands	Jan. 31, 2021	May 03, 2020	Feb. 02, 2020
Intangible Assets [Line Items]
Intangible assets	$ 3,098	$ 3,380	$ 7,738
Continuing Operation [Member]
Intangible Assets [Line Items]
Intangible assets			3,600
Discontinued Operation [Member]
Intangible Assets [Line Items]
Intangible assets			$ 4,100