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Fair Value of Financial Instruments - Narrative (Detail) - USD ($)
3 Months Ended
Aug. 02, 2020
May 03, 2020
Aug. 04, 2019
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Short-term Investments $ 983,000 $ 923,000 $ 0
Amortized cost of held-to-maturity investments 6,400,000 6,300,000  
Fair value of held-to-maturity investments 6,500,000 6,400,000 0
Long-term investments (Rabbi Trust) 7,916,000 7,834,000 [1] 7,347,000
Tradenames $ 540,000 540,000 7,232,000
Read Window Products, LLC [Member]      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Impairment charge   143,000  
Continuing Operation [Member]      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Asset impairments - continuing operations   13,600,000  
Continuing Operation [Member] | Read Window Products, LLC [Member]      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Impairment charge   143,000  
Tradenames   540,000  
Discontinued Operations [Member] | eLuxury [Member] | Home Accessories [Member]      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Impairment charge   6,600,000  
Discontinued Operations [Member] | eLuxury [Member] | Home Accessories [Member] | Trade Names [Member]      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Impairment charge   4,200,000  
Discontinued Operations [Member] | eLuxury [Member] | Home Accessories [Member] | Goodwill [Member]      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Impairment charge   2,400,000  
Minimum [Member] | Investments (Held-To-Maturity) [Member]      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Investment maturity period 2 years    
Maximum [Member]      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Investment remaining maturity period 2 years    
Maximum [Member] | Investments (Held-To-Maturity) [Member]      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Investment maturity period 10 years    
Short-term Investments [Member]      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Accumulated unrealized gain (loss) on investments $ 6,000 9,000  
Current Expected Credit Loses [Member]      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Accumulated unrealized gain (loss) on investments 6,000    
Long-term Investments (Rabbi Trust) [Member]      
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]      
Accumulated unrealized gain (loss) on investments $ 53,000 $ (19,000) $ 46,000
[1] Derived from audited financial statements.