Goodwill and Intangible Assets (Intangible Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 28, 2024	Sep. 30, 2023
Industrial and Military Aircraft
Finite-Lived Intangible Assets
Impairment of Intangible Assets, Finite-Lived	$ 2,345
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]	Charged to expense
Industrial and Commercial Aircraft
Finite-Lived Intangible Assets
Impairment of Intangible Assets, Finite-Lived		$ 4,409
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]		Asset Impairment Charges