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Employee Benefit Plans (Schedule Of Cost Of The Postretirement Benefit Plan) (Details) - Postretirement Benefit Plan - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2023
Oct. 01, 2022
Oct. 02, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Service cost $ 16 $ 33 $ 52
Interest cost 166 90 124
Amortization of actuarial gain (2,321) (1,274) (513)
Total Pension Expense (Income) $ (2,139) $ (1,151) $ (337)
Interest cost Other Nonoperating Income (Expense)    
Amortization of actuarial gain Other Nonoperating Income (Expense)