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Employee Benefit Plans, Pensions, and Other Retiree Benefits 401(k) Plan (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Sep. 28, 2012 years | Sep. 30, 2011 | Oct. 01, 2010
Defined Benefit Plan Disclosure [Line Items] |  |  |
Minimum Age Requirement | 21 |  |
Contribution percentage of employee earnings to retirement plan | 4.00% |  |
Contribution Of Common Shares To Savings And Retirement Plans shares | 0.3 | 0.2 | 0.3
Contribution Of Common Shares To Savings And Retirement Plans | $ 6.0 | $ 5.5 | $ 4.8

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- Definition Contribution Of Common Shares To Savings And Retirement Plans Shares (401k) + References No definition available. + Details
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- Definition Contribution Percentage Of Employee Earnings To Retirement Plan + References No definition available. + Details
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- Definition Minimum Age Requirement + References No definition available. + Details
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- Details
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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 11 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 + Details
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