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Income Taxes - Schedule of Components of Net Deferred Income Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands | Sep. 27, 2025 | Sep. 28, 2024
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Deferred income tax assets: |  |
Loss/credit carryforwards | $ 37,418 | $ 32,998
Inventories | 25,994 | 17,537
Accrued employee benefits | 20,048 | 16,805
Advanced payments from customers | 30,098 | 31,445
Lease obligations | 15,932 | 16,497
Research and development capitalization | 16,274 | 14,521
Other | 7,249 | 6,545
Total gross deferred income tax assets | 153,013 | 136,348
Less valuation allowances | (38,523) | (35,641)
Deferred income tax assets | 114,490 | 100,707
Deferred income tax liabilities: |  |
Property, plant and equipment | 15,120 | 18,206
Right-of-use assets | 8,977 | 8,956
Tax on unremitted earnings | 5,044 | 7,860
Deferred income tax liabilities | 29,141 | 35,022
Net deferred income tax assets | $ 85,349 | $ 65,685

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