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Segment Information - Capital Expenditures and Depreciation Expense for Operating Segments (Parenthetical) (Details) - USD ($)
$ in Thousands
12 Months Ended
Apr. 27, 2025
Apr. 28, 2024
Apr. 30, 2023
Segment Reporting Information [Line Items]      
Depreciation expense $ 5,440 $ 6,521 $ 6,845
Operating Segments [Member] | Mattress Fabrics [Member] | Canada [Member] | Depreciation Related To Shortening Useful Lives of Equipment [Member]      
Segment Reporting Information [Line Items]      
Depreciation expense $ 1,300