Employee Benefit Plans (Schedule Of Changes In The Accumulated Benefit Obligation Of Unfunded Plan) (Details) (Accumulated Postretirement Benefit Obligation (APBO) [Member], USD $) In Thousands	12 Months Ended
	Oct. 01, 2011	Oct. 02, 2010
Accumulated Postretirement Benefit Obligation (APBO) [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation at prior year measurement date	$ 23,860	$ 25,077
Service cost	491	571
Interest cost	1,103	1,345
Contributions by plan participants	1,453	1,360
Benefits paid	(2,460)	(2,680)
Actuarial gains	(6,521)	(1,953)
Retiree drug subsidy receipts	99	140
Projected benefit obligation at measurement date	18,025	23,860
Funded status	(18,025)	(23,860)
Accrued postretirement benefit liability	18,025	23,860
Amount recognized in accumulated other comprehensive loss, before taxes, Transition obligation	756	1,150
Amount recognized in accumulated other comprehensive loss, before taxes, Actuarial losses	52	7,151
Amount recognized in accumulated other comprehensive loss, before taxes	$ 808	$ 8,301