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Segment Information - Capital Expenditures and Depreciation Expense for Operating Segments (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Apr. 28, 2024 | Apr. 30, 2023 | May 01, 2022
Segment Reporting Information [Line Items] |  |  |  |
Capital expenditures | [1] | $ 4,000 | $ 1,689 | $ 5,821
Depreciation expense |  | 6,521 | 6,845 | 6,994
Business Segments [Member] | Mattress Fabrics [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Capital expenditures | [1] | 3,474 | 1,125 | 3,383
Depreciation expense |  | 5,883 | 6,050 | 6,200
Business Segments [Member] | Upholstery Fabrics [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Capital expenditures | [1] | 271 | 467 | 1,032
Depreciation expense |  | 638 | 795 | 794
Unallocated Corporate [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Capital expenditures | [1] | $ 255 | $ 97 | $ 1,406
[1] | Capital expenditure amounts are stated on an accrual basis. See the Consolidated Statement of Cash Flows for capital expenditure amounts on a cash basis.

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- Definition Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment; if the amount: (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets. + References No definition available. + Details
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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