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Retirement Plans - Fair Value of Plan Assets by Main Asset Category (Details) - USD ($) $ in Thousands | Oct. 01, 2023 | Oct. 02, 2022
--- | --- | ---
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |
Fair value of plan assets | $ 39,572 | $ 36,250
Equities |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |
Fair value of plan assets | 2,213 | 8,390
Mutual Fund |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |
Fair value of plan assets | 20,458 | 20,886
Liability driven investment funds |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |
Fair value of plan assets | 13,807 | 6,484
Bonds |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |
Fair value of plan assets | 2,354 | 0
Cash/other |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |
Fair value of plan assets | $ 740 | $ 490

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