Goodwill And Intangible Assets (Changes In Carrying Amount Of Goodwill) (Details) $ in Thousands	6 Months Ended
	Mar. 29, 2025 USD ($)
Goodwill
Beginning balance	$ 833,764
Foreign currency translation	(8,349)
Ending balance	825,415
Space And Defense
Goodwill
Beginning balance	259,551
Foreign currency translation	(28)
Ending balance	259,523
Military Aircraft
Goodwill
Beginning balance	118,942
Foreign currency translation	(2,000)
Ending balance	116,942
Commercial Aircraft
Goodwill
Beginning balance	92,612
Foreign currency translation	0
Ending balance	92,612
Industrial
Goodwill
Beginning balance	362,659
Foreign currency translation	(6,321)
Ending balance	$ 356,338