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Goodwill And Intangible Assets (Components Of Intangible Assets) (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Jun. 27, 2020 | Sep. 28, 2019
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 12 years |
Gross Carrying Amount | $ 287,095 | $ 291,132
Accumulated Amortization | $ (195,727) | (211,486)
Customer-Related |  |
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 11 years |
Gross Carrying Amount | $ 142,372 | 132,697
Accumulated Amortization | $ (101,476) | (100,091)
Technology-Related |  |
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 9 years |
Gross Carrying Amount | $ 77,628 | 69,220
Accumulated Amortization | $ (53,433) | (52,192)
Program-Related |  |
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 23 years |
Gross Carrying Amount | $ 37,743 | 62,015
Accumulated Amortization | $ (16,354) | (35,680)
Marketing-Related |  |
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 8 years |
Gross Carrying Amount | $ 25,218 | 23,139
Accumulated Amortization | $ (20,591) | (19,899)
Other Intangible Assets |  |
Finite-Lived Intangible Assets |  |
Weighted-Average Life (years) | 10 years |
Gross Carrying Amount | $ 4,134 | 4,061
Accumulated Amortization | $ (3,873) | $ (3,624)

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