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Goodwill and Intangible Assets (Intangible Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2023 | Oct. 01, 2022 | Oct. 02, 2021
Finite-Lived Intangible Assets |  |  |
Impairment of Intangible Assets (Excluding Goodwill) | $ 4,409 |  |
Industrial Systems |  |  |
Finite-Lived Intangible Assets |  |  |
Impairment of Intangible Assets (Excluding Goodwill) |  | $ 2,125 |
Space and Defense Controls |  |  |
Finite-Lived Intangible Assets |  |  |
Impairment of Intangible Assets (Excluding Goodwill) |  |  | $ 1,144

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