Income Taxes (Reasons For Differences Between Statutory Federal Tax Rate And Effective Income Tax Rate) (Details)	12 Months Ended
Oct. 01, 2011	Oct. 02, 2010	Oct. 03, 2009
Income Taxes [Abstract]
Federal income tax rate	35.00%	35.00%	35.00%
State income taxes	1.60%	2.40%	0.10%
Unrecognized tax benefits, net	(1.70%)	(1.40%)	(0.30%)
Goodwill impairment	0.00%	0.90%	(36.10%)
General business credits	(0.90%)	(0.70%)	2.20%
Domestic production deduction	(2.30%)	(2.00%)	0.50%
Change in foreign valuation allowance	0.30%	0.80%	(3.80%)
Tax planning in foreign jurisdictions	0.00%	0.00%	1.70%
Other	(0.20%)	1.40%	(0.80%)
Negative impact on effective income tax rate	31.80%	36.40%	(1.50%)

Change in foreign valuation allowance

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Tax planning in foreign jurisdictions

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A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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-Publisher FASB

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-Publisher FASB

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The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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

-Publisher FASB

-Name Accounting Standards Codification

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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-Publisher FASB

-Name Accounting Standards Codification

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to the deduction for qualified production activities received under enacted tax laws.

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

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to nondeductible impairment losses under enacted tax laws.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to all other items not otherwise listed in the existing taxonomy.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the state and local income tax expense or benefit, net of the federal tax benefit (expense) thereon, recorded during the period.

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The sum of the differences between the effective income tax rate and domestic federal statutory income tax rate attributable to changes in all income tax contingencies, whether recorded or adjusted, during the period.

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The sum of the differences between the effective income tax rate and domestic federal statutory income tax rate that can be explained by all tax credits generated or utilized under enacted tax laws during the period.

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