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Summary Of Significant Accounting Policies (Foreign Operations And Related Derivative Financial Instruments) (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Oct. 02, 2015 | Oct. 03, 2014 | Sep. 27, 2013
Foreign Currencies [Line Items] |  |  |
Currency gains from transactions |  | $ 427 |
Currency losses from transactions | $ 1,196 |  | $ 916
Percent Of Revenues In Foreign Currency | 18.00% |  |
Euro [Member] |  |  |
Foreign Currencies [Line Items] |  |  |
Percent Of Revenues In Foreign Currency | 8.00% |  |
Other Foreign Currencies [Member] |  |  |
Foreign Currencies [Line Items] |  |  |
Percent Of Revenues In Foreign Currency | 4.00% |  |
Canadian Dollars [Member] |  |  |
Foreign Currencies [Line Items] |  |  |
Percent Of Revenues In Foreign Currency | 6.00% |  |

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- Definition Amount before tax of foreign currency transaction realized and unrealized gain recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30690-110894 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30700-110894 + Details
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