Retirement Plans (Determining The Present Values Of Benefit Obligations And Net Periodic Benefit Costs) (Details)	9 Months Ended		12 Months Ended
	Jun. 30, 2012		Sep. 28, 2014		Sep. 29, 2013		Sep. 30, 2012
Defined Benefit Plan Disclosure [Line Items]
Cash flow period extension			30
Qualified Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Assumptions used to determine benefit obligations, Discount rate			4.60%	[1]	5.37%	[1]	4.34%	[1]
Assumptions used to determine benefit obligations, Rate of future pay increases			3.50%	[1]	3.50%	[1]	3.50%	[1]
Assumptions used to determine net periodic benefit cost, Discount rate	5.60%	[2]	5.37%	[3]	4.34%	[3]	4.78%	[3]
Assumptions used to determine net periodic benefit cost, Long-term rate of return on assets	7.75%	[3]	7.25%	[3]	7.25%	[3]	7.25%	[3]
Assumptions used to determine net periodic benefit cost, Rate of future pay increases			3.50%	[3]	3.50%	[3]	3.50%	[3]
Non-Qualified Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Assumptions used to determine benefit obligations, Discount rate			4.36%	[1]	4.88%	[1]	4.34%	[1]
Assumptions used to determine benefit obligations, Rate of future pay increases			3.50%	[1]	3.50%	[1]	3.50%	[1]
Assumptions used to determine net periodic benefit cost, Discount rate			4.88%	[2]	4.34%	[2]	5.60%	[2]
Assumptions used to determine net periodic benefit cost, Rate of future pay increases			3.50%	[2]	3.50%	[2]	3.50%	[2]
Postretirement Health Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Assumptions used to determine benefit obligations, Discount rate			4.43%	[1]	5.04%	[1]	4.34%	[1]
Assumptions used to determine net periodic benefit cost, Discount rate			5.04%	[2]	4.34%	[2]	5.60%	[2]

[1] Determined as of end of year.

[2] Determined as of beginning of year.

[3] he discount rate and long-term rate of return on plan assets used to determine net period benefit costs were updated as of June 30, 2012, in connection with the VERP re-measurement from the rates determined at the beginning of the year of 5.60% and 7.75%, respectively.