v3.26.1
General and Summary of Significant Accounting Policies - Narrative (Detail)
3 Months Ended 12 Months Ended
Aug. 03, 2025
Segment
Apr. 27, 2025
USD ($)
May 03, 2026
USD ($)
Segment
May 03, 2026
USD ($)
Apr. 27, 2025
USD ($)
Apr. 28, 2024
USD ($)
Organization And Summary Of Significant Accounting Policies [Line Items]            
Number of Operating Segments | Segment 2   2      
Number of Reportable Segments | Segment 2   2      
Non-cash inventory charges     $ 2,050,000   $ (2,423,000) $ (1,628,000)
Non-cash inventory (credit) charge     2,100,000   (2,400,000) (1,600,000)
Reserve for inventory markdowns   $ 7,800,000 8,000,000 $ 8,000,000 7,800,000  
Rabbi trust investments   7,000,000 6,500,000 $ 6,500,000 7,000,000  
Interest costs incurred on lines of credit     759,000   231,000 11,000
Interest cost capitalized     0   0 0
Asset impairment charges     $ 0   540,000 0
Dividends received deduction percentage for earnings and profits received from foreign corporation     100.00% 100.00%    
Dividends received deduction, foreign corporation ownership percentage     10.00% 10.00%    
Selling, general and administrative expenses     $ 34,668,000   35,705,000 38,611,000
Change in accounting principle, accounting standards update, adopted [true false]     true true    
Change in accounting principle, accounting standards update, adoption period       fourth quarter of fiscal 2026    
Change in accounting principle, accounting standards update, immaterial effect [true false]     false false    
Accounting standards update [extensible enumeration]       us-gaap:AccountingStandardsUpdate202309Member    
Customer Relationships [Member]            
Organization And Summary Of Significant Accounting Policies [Line Items]            
Asset impairment charges     $ 291,000   0 0
Cost of Sales [Member]            
Organization And Summary Of Significant Accounting Policies [Line Items]            
Non-cash inventory (credit) charge   (1,700,000)        
Mattress and Upholstery Fabrics [Member]            
Organization And Summary Of Significant Accounting Policies [Line Items]            
Non-cash inventory (credit) charge   (1,700,000)        
Shipping and Handling [Member]            
Organization And Summary Of Significant Accounting Policies [Line Items]            
Selling, general and administrative expenses     4,200,000   4,600,000 $ 4,600,000
Rabbi Trust Investments [Member]            
Organization And Summary Of Significant Accounting Policies [Line Items]            
Unrealized gain (loss) on investments   150,000 319,000 $ 319,000 150,000  
Cost basis investments associated with trust   $ 6,900,000 $ 6,100,000 $ 6,100,000 $ 6,900,000