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Goodwill And Intangible Assets (Amortization of Acquired Intangibles) (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 02, 2021
Oct. 03, 2020
Sep. 28, 2019
Goodwill and Intangible Assets Disclosure [Abstract]      
Amortization of acquired intangible assets $ 13,454 $ 12,524 $ 13,079