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Goodwill and Intangible Assets (Schedule Of Intangible Assets Subject To Amortization) (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Apr. 02, 2021 | Oct. 02, 2020
Finite-Lived Intangible Assets [Line Items] |  |
Document Period End Date | Apr. 02, 2021 |
Accumulated Amortization | $ (89,000) | $ (113,100)
Total intangible assets, Gross Carrying Amount | 128,100 | 166,600
Total intangible assets, Net Carrying Amount | $ 39,100 | 53,500
Customer relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Amortization Period (Years) | 5 years |
Finite-Lived Intangible Assets, Gross | $ 18,200 | 18,200
Accumulated Amortization | (17,600) | (15,800)
Net Carrying Amount | $ 600 | 2,400
Technology-Based Intangible Assets [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Amortization Period (Years) | 4 years 7 months 6 days |
Finite-Lived Intangible Assets, Gross | $ 76,700 | 101,000
Accumulated Amortization | (52,000) | (81,600)
Net Carrying Amount | $ 24,700 | 19,400
Trade Names [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Amortization Period (Years) | 3 years |
Finite-Lived Intangible Assets, Gross | $ 0 | 1,600
Accumulated Amortization | 0 | (1,500)
Net Carrying Amount | $ 0 | 100
Computer Software, Intangible Asset [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Amortization Period (Years) | 3 years 1 month 6 days |
Finite-Lived Intangible Assets, Gross | $ 29,400 | 26,300
Accumulated Amortization | (19,400) | (14,200)
Net Carrying Amount | 10,000 | 12,100
In Process Research and Development [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Gross | 3,800 | 19,500
Accumulated Amortization | 0 | 0
Net Carrying Amount | $ 3,800 | $ 19,500

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- Definition The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is YYYY-MM-DD. + References No definition available. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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