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Note Q - Manufacturing Facility Closures and Disposals (Details Textual) - USD ($) | 12 Months Ended
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Sep. 27, 2025 | Sep. 28, 2024 | Sep. 30, 2023
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] | Restructuring Costs |  |
Payments for Restructuring | $ 566,000 |  |
Restructuring Charges | 3,218,000 |  |
Property, Plant and Equipment, Gross | 1,009,463,000 | $ 1,012,043,000 |
Facility Closing [Member] |  |  |
Restructuring Costs | 24,073,000 | $ 0 | $ 0
Payments for Restructuring | 3,200,000 |  |
Restructuring Charges | 20,900,000 |  |
Facility Closing [Member] | Manufacturing Facility Closing in Holly Ridge, NC [Member] |  |  |
Restructuring Charges | 14,900,000 |  |
Tangible Asset Impairment Charges | 14,400,000 |  |
Severance Costs | 300,000 |  |
Other Restructuring Costs | 200,000 |  |
Property, Plant and Equipment, Gross | 1,800,000 |  |
Facility Closing [Member] | Manufacturing Facility Closing in Atlanta GA [Member] |  |  |
Restructuring Charges | 6,600,000 |  |
Tangible Asset Impairment Charges | 3,200,000 |  |
Severance Costs | 2,600,000 |  |
Other Restructuring Costs | 200,000 |  |
Inventory Write-down | 600,000 |  |
Facility Closing [Member] | Manufacturing Facility Closing in Colton CA [Member] |  |  |
Restructuring Charges | 2,600,000 |  |
Tangible Asset Impairment Charges | 1,200,000 |  |
Operating Lease and Finance Lease, Impairment Loss | $ 1,400,000 |  |

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