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Pensions And Other Postretirement Benefits (Actual And Target Asset Allocation For Pension Plan Assets) (Details) | 12 Months Ended |
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Oct. 01, 2016 | Oct. 03, 2015
Defined Benefit Plan Disclosure [Line Items] |  |
Actual Plan Asset Allocations | 100.00% | 100.00%
Target Plan Asset Allocations | 100.00% |
Cash and Cash Equivalents [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual Plan Asset Allocations | 0.90% | 0.30%
Target Plan Asset Allocations | 0.00% |
Fixed Income Funds [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual Plan Asset Allocations | 85.40% | 85.40%
Target Plan Asset Allocations | 86.00% |
Real Estate [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual Plan Asset Allocations | 3.80% | 3.60%
Target Plan Asset Allocations | 3.50% |
U.S. Stock Funds [Member] | Equity Funds [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual Plan Asset Allocations | 3.70% | 3.90%
Target Plan Asset Allocations | 4.00% |
International Stock Funds [Member] | Equity Funds [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual Plan Asset Allocations | 6.20% | 6.80%
Target Plan Asset Allocations | 6.50% |

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- Definition Target allocation of investments of this type to total plan assets presented on a weighted average basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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