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Commitments and Contingencies - Narrative (Detail) - USD ($)
Jan. 26, 2025
Apr. 28, 2024
[1]
Jan. 28, 2024
Commitments and Contingencies Disclosure [Line Items]      
Accounts payable for capital expenditures $ 439,000 $ 343,000 $ 19,000
Mattress Fabrics [Member] | Capital Addition Purchase Commitments [Member]      
Commitments and Contingencies Disclosure [Line Items]      
Open purchase commitments for equipment $ 600,000    
[1] Derived from audited consolidated financial statements.