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Employee Benefit Plans (Schedule Of Fair Value, Investments, Entities that Calculate Net Asset Value (Details) - Pension Plan - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Sep. 30, 2017 | Oct. 01, 2016
Defined Benefit Plan Disclosure |  |
Fair Value | $ 38,272 | $ 302,713
Unfunded Commitments | 5,738 |
Limited Partnerships |  |
Defined Benefit Plan Disclosure |  |
Fair Value | 35,821 | 44,003
Unfunded Commitments | $ 5,738 |
Limited Partnerships | Minimum |  |
Defined Benefit Plan Disclosure |  |
Redemption Notice Period | 10 days |
Limited Partnerships | Maximum |  |
Defined Benefit Plan Disclosure |  |
Redemption Notice Period | 45 days |
Hedge Funds |  |
Defined Benefit Plan Disclosure |  |
Fair Value | $ 2,451 | 21,678
Unfunded Commitments | $ 0 |
Hedge Funds | Maximum |  |
Defined Benefit Plan Disclosure |  |
Redemption Notice Period | 60 days |
Interest In Common Collective Trusts |  |
Defined Benefit Plan Disclosure |  |
Fair Value | $ 0 | $ 237,032
Unfunded Commitments | $ 0 |
Interest In Common Collective Trusts | Minimum |  |
Defined Benefit Plan Disclosure |  |
Redemption Notice Period | 0 days |
Interest In Common Collective Trusts | Maximum |  |
Defined Benefit Plan Disclosure |  |
Redemption Notice Period | 5 days |

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- Definition Notice period the entity is required to deliver before it can redeem an investment calculated using net asset value per share, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but is not limited to, investments calculated by per unit, per membership interest, other equity or ownership interest and alternative investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 6A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=66048111&loc=SL6742756-110258 + Details
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- Definition The amount of unfunded commitments for which the entity is obligated, to those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 6A -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66048111&loc=SL6742756-110258 + Details
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- Definition Net asset value of investment in certain entities that calculate net asset value per share. Includes, but is not limited to, by unit, membership interest, or other ownership interest. Investment includes, but is not limited to, investment in certain hedge funds, venture capital funds, private equity funds, real estate partnerships or funds. Excludes fair value disclosure. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 6A -URI http://asc.fasb.org/extlink&oid=66048111&loc=SL6742756-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 35 -Paragraph 59 -URI http://asc.fasb.org/extlink&oid=65894324&loc=SL6740821-110257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 35 -Paragraph 54B -URI http://asc.fasb.org/extlink&oid=65894324&loc=SL7495116-110257 + Details
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