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Retirement Plans - Fair Value of Plan Assets by Main Asset Category (Details) - USD ($)
$ in Thousands
Oct. 02, 2022
Oct. 03, 2021
Defined Benefit Plan, Plan Assets, Category [Line Items]    
Fair value of plan assets $ 36,250 $ 65,836
Equities    
Defined Benefit Plan, Plan Assets, Category [Line Items]    
Fair value of plan assets 8,390 13,646
Mutual Fund    
Defined Benefit Plan, Plan Assets, Category [Line Items]    
Fair value of plan assets 20,886 33,826
Liability driven investment funds    
Defined Benefit Plan, Plan Assets, Category [Line Items]    
Fair value of plan assets 6,484 17,653
Cash/other    
Defined Benefit Plan, Plan Assets, Category [Line Items]    
Fair value of plan assets $ 490 $ 711