Employee Benefit Plans (Schedule Of Changes In The Accumulated Benefit Obligation Of Unfunded Plan) (Details) - Accumulated Postretirement Benefit Obligation (APBO) - USD ($) $ in Thousands	12 Months Ended
	Oct. 01, 2016	Oct. 03, 2015
Defined Benefit Plan Disclosure
Projected benefit obligation at prior year measurement date	$ 12,532	$ 15,331
Service cost	161	226
Interest cost	468	576
Contributions by plan participants	1,944	2,228
Benefits paid	(3,043)	(2,795)
Actuarial losses (gains)	763	(3,034)
Projected benefit obligation at measurement date	12,825	12,532
Funded status	(12,825)	(12,532)
Accrued postretirement benefit liability	12,825	12,532
Amount recognized in AOCIL, before taxes, Actuarial gains	3,896	5,232
Amount recognized in AOCIL, before taxes	$ 3,896	$ 5,232