Retirement Plans - Fair Value of Plan Assets by Main Asset Category (Details) - USD ($) $ in Thousands	Sep. 29, 2024	Oct. 01, 2023
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	$ 46,815	$ 39,572
Equities
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	3,739	2,213
Mutual funds
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	22,923	20,458
Liability driven investment funds
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	15,833	13,807
Bonds
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	2,657	2,354
Cash/other
Defined Benefit Plan, Plan Assets, Category [Line Items]
Fair value of plan assets	$ 1,663	$ 740