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Stockholders' Equity (Share Repurchase) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |  | 12 Months Ended
--- | --- | ---
Nov. 10, 2015 | Oct. 02, 2015 | Oct. 03, 2014 | Sep. 27, 2013
Share Repurchase [Line Items] |  |  |  |
Share repurchase program |  | $ 237.3 | $ 165.7 | $ 184.9
Share repurchase program (in shares) |  | 2.9 |  |
Treasury stock, average price per share (in dollars per share) |  | $ 83.29 |  |
Remaining shares available under share repurchase program |  | $ 62.7 |  |
Share Repurchase Program [Member] |  |  |  |
Share Repurchase [Line Items] |  |  |  |
Share repurchase program |  |  | $ 165.7 |
Share repurchase program (in shares) |  |  | 4.5 |
Treasury stock, average price per share (in dollars per share) |  |  | $ 36.46 |
Subsequent Event [Member] |  |  |  |
Share Repurchase [Line Items] |  |  |  |
Stock repurchase initiation date | Nov. 10, 2015 |  |  |
Authorized repurchased amount | $ 400.0 |  |  |

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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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