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Goodwill And Intangible Assets (Components Of Acquired Intangible Assets) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Sep. 28, 2019 | Sep. 29, 2018
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 12 years |
Gross Carrying Amount | $ 291,132 | $ 297,554
Accumulated Amortization | $ (211,486) | (202,017)
Customer-Related |  |
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 11 years |
Gross Carrying Amount | $ 132,697 | 135,379
Accumulated Amortization | $ (100,091) | (96,090)
Technology-Related |  |
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 9 years |
Gross Carrying Amount | $ 69,220 | 69,393
Accumulated Amortization | $ (52,192) | (49,731)
Program-Related |  |
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 19 years |
Gross Carrying Amount | $ 62,015 | 64,988
Accumulated Amortization | $ (35,680) | (33,740)
Marketing-Related |  |
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 8 years |
Gross Carrying Amount | $ 23,139 | 23,489
Accumulated Amortization | $ (19,899) | (18,868)
Other Intangible Assets |  |
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 10 years |
Gross Carrying Amount | $ 4,061 | 4,305
Accumulated Amortization | $ (3,624) | $ (3,588)

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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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