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Retirement Plans (Fair Value of Plan Assets of Pension Plans) (Details) - USD ($)
$ in Thousands
Sep. 29, 2024
Oct. 01, 2023
Oct. 02, 2022
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 302,439 $ 275,143  
Qualified Plan      
Defined Benefit Plan Disclosure [Line Items]      
Projected benefit obligation 297,920 266,345 $ 293,342
Accumulated benefit obligation 297,920 266,345  
Fair value of plan assets 302,439 275,143 303,951
SERP      
Defined Benefit Plan Disclosure [Line Items]      
Projected benefit obligation 57,097 53,513 56,891
Accumulated benefit obligation 57,097 53,513  
Fair value of plan assets $ 0 $ 0 $ 0