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Intangible Assets - Summary of Intangible Assets (Parenthetical) (Detail) - USD ($)
$ in Thousands
May 03, 2020
Apr. 28, 2019
Intangible Assets [Line Items]    
Intangible assets $ 3,380 $ 10,448 [1]
Continuing Operation [Member]    
Intangible Assets [Line Items]    
Intangible assets   3,900
Discontinued Operations Held-for-sale [Member]    
Intangible Assets [Line Items]    
Intangible assets   $ 6,600
[1] At April 28, 2019, intangible assets totaled $10.5 million, of which $3.9 million and $6.6 million were classified as intangible assets and within noncurrent assets held for sale – discontinued operation, respectively, in the accompanying Consolidated Balance Sheets.