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Basis of Presentation Additional Information (Details) - USD ($) $ in Millions | 9 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 27, 2015 | Aug. 01, 2015 | Jul. 02, 2015 | Sep. 27, 2014
Senior Notes |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Long Term Debt Obligations Without Convertible Notes | $ 1,000.0 | $ 1,000.0 |  | $ 1,000.0
2022 Notes [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Long Term Debt Obligations Without Convertible Notes | $ 1,000.0 |  | $ 1,000.0 |
Senior Notes |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Debt Instrument, Interest Rate During Period | 6.25% |  |  |
2022 Notes [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Debt Instrument, Interest Rate During Period | 5.25% |  |  |

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- Definition The average effective interest rate during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + Details
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