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Intangible Assets - Summary of Intangible Assets (Parenthetical) (Detail) - USD ($)
$ in Thousands
Nov. 01, 2020
May 03, 2020
Nov. 03, 2019
Intangible Assets [Line Items]      
Intangible assets $ 3,192 $ 3,380 $ 10,260
Continuing Operation [Member]      
Intangible Assets [Line Items]      
Intangible assets     3,700
Discontinued Operation [Member]      
Intangible Assets [Line Items]      
Intangible assets     $ 6,600