Employee Benefit Plans (Schedule Of Projected Benefit Obligations Or Accumulated Benefit Obligations In Excess Of Plan Assets) (Details) - Pension Plan - USD ($) $ in Thousands	Sep. 28, 2019	Sep. 29, 2018
Defined Benefit Plan Disclosure
Projected benefit obligation	$ 278,405	$ 234,402
Accumulated benefit obligation	208,625	219,830
Fair value of plan assets	$ 95,294	$ 78,265