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Pensions And Other Postretirement Benefits (Weighted Average Assumptions) (Details)	12 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014
Funded Qualified Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate to determine net periodic benefit cost	4.47%	4.32%	4.37%
Discount rate to determine benefit obligations	3.72%	4.47%	4.32%
Rate of compensation increase		0.01%	0.01%
Expected return on plan assets	4.15%	4.61%	6.37%
Unfunded Non-Qualified Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate to determine net periodic benefit cost	4.41%	4.36%	5.01%
Discount rate to determine benefit obligations	3.77%	4.41%	4.36%
Rate of compensation increase	2.46%	2.31%	2.11%
Other Postretirement Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate to determine net periodic benefit cost	3.54%	3.97%	4.41%
Discount rate to determine benefit obligations	3.09%	3.54%	3.97%

X

- Definition

The interest rate used to adjust for the time value of money for the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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- Definition

Expected rate of compensation increases (for pay-related plans).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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- Definition

The interest rate used to adjust for the time value of money.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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X

- Definition

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Expected Long-Term Rate of Return on Plan Assets
-URI http://asc.fasb.org/extlink&oid=6512046

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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