Pensions And Other Postretirement Benefits (Actual And Target Asset Allocation For Pension Plan Assets) (Details)	12 Months Ended
Oct. 01, 2011	Oct. 02, 2010
Pensions And Other Postretirement Benefits [Abstract]
Actual Plan Asset Allocations - Cash	1.90%	0.30%
Actual Plan Asset Allocations- Fixed Income Securities	24.20%	18.50%
Actual Plan Asset Allocations- US Stock Funds	41.40%	44.60%
Actual Plan Asset Allocations- International Stock Funds	17.70%	19.90%
Actual Plan Asset Allocations- Real Estate	4.70%	5.00%
Actual Plan Asset Allocations- Alternatives	10.10%	11.70%
Actual Plan Asset Allocations- Total	100.00%	100.00%
Target Plan Asset Allocations- Cash	1.00%
Target Plan Asset Allocations- Fixed Income Securities	19.00%
Target Plan Asset Allocations- US Stock Funds	45.00%
Target Plan Asset Allocations- International Stock Funds	20.00%
Target Plan Asset Allocations- Real Estate	5.00%
Target Plan Asset Allocations- Alternatives	10.00%
Target Plan Asset Allocations- Total	100.00%

Defined benefit plan, Cash

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Defined benefit plan, International stock funds

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Defined benefit plan target allocation percentage of assets, cash

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Defined benefit plan target allocation percentage of assets, International stock funds

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Defined benefit plan target allocation percentage of assets, total

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- Definition

The percentage of the fair value of debt securities to the fair value of total plan assets held as of the measurement date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph d(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e2446-114920

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(1)

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- Definition

The percentage of the fair value of equity securities to the fair value of total plan assets held as of the measurement date.

+ References

+ Details

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- Definition

The percentage of the fair value of investments other than debt securities, equity securities, and real estate to the fair value of total plan assets held as of the measurement date.

+ References

+ Details

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- Definition

The percentage of the fair value of real estate to the fair value of total plan assets held as of the measurement date.

+ References

+ Details

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- Definition

Target allocation percentage of investments in debt securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph d(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: 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=6962843&loc=d3e2446-114920

Reference 3: 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=6962843&loc=d3e1928-114920

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Target allocation percentage of investments in equity securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ Details

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Target allocation percentage in other than debt securities, equity securities, and real estate to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ Details

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- Definition

Target allocation percentage of investments in real estate to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ Details

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- Definition

The aggregate percentage of the fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of total plan assets held as of the measurement date.

+ References

+ Details

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