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Segment Information - Capital Expenditures and Depreciation Expense for Operating Segments (Parenthetical) (Details) - USD ($)
3 Months Ended
Jul. 28, 2024
Jul. 30, 2023
Segment Reporting Information [Line Items]    
Depreciation expense $ 1,581,000 $ 1,635,000
Operating Segments [Member] | Mattress Fabrics [Member] | Canada [Member] | Depreciation Related To Shortening Useful Lives of Equipment [Member]    
Segment Reporting Information [Line Items]    
Depreciation expense $ 875,000