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Goodwill And Intangible Assets (Components Of Intangible Assets) (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Mar. 30, 2019 | Sep. 29, 2018
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 12 years |
Gross Carrying Amount | $ 296,432 | $ 297,554
Accumulated Amortization | $ (208,343) | (202,017)
Customer-Related |  |
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 11 years |
Gross Carrying Amount | $ 134,124 | 135,379
Accumulated Amortization | $ (98,531) | (96,090)
Technology-Related |  |
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 9 years |
Gross Carrying Amount | $ 69,771 | 69,393
Accumulated Amortization | $ (51,081) | (49,731)
Program-Related |  |
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 19 years |
Gross Carrying Amount | $ 64,955 | 64,988
Accumulated Amortization | $ (35,627) | (33,740)
Marketing-Related |  |
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 8 years |
Gross Carrying Amount | $ 23,418 | 23,489
Accumulated Amortization | $ (19,518) | (18,868)
Other Intangible Assets |  |
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 10 years |
Gross Carrying Amount | $ 4,164 | 4,305
Accumulated Amortization | $ (3,586) | $ (3,588)

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