Retirement Plan (Weighted Average Assumptions Used To Determine Benefit Obligation And Benefit Cost) (Details)	12 Months Ended
	Sep. 28, 2013	Sep. 29, 2012
Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate for benefit obligation	4.50%	3.60%
Discount rate for net benefit cost	3.60%	4.40%
Expected return on plan assets for net benefit costs	8.00%	8.00%
Retiree Health Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate for benefit obligation	3.10%	2.40%
Discount rate for net benefit cost	2.40%	4.50%
Expected return on plan assets for net benefit costs	8.00%	8.00%