Goodwill And Intangible Assets (Changes In Carrying Amount Of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023
Goodwill [Roll Forward]
Beginning balance	$ 833,764	$ 821,301	$ 805,320
Acquisition	36,191	2,760
Held for sale	(33,000)	(3,719)
Adjustments to prior year acquisitions			122
Foreign currency translation	5,358	13,422	15,859
Ending balance	842,313	833,764	821,301
Space And Defense
Goodwill [Roll Forward]
Beginning balance	259,551	259,475	259,407
Acquisition	36,191	0
Held for sale	(33,000)	0
Adjustments to prior year acquisitions			0
Foreign currency translation	(2)	76	68
Ending balance	262,740	259,551	259,475
Military Aircraft
Goodwill [Roll Forward]
Beginning balance	118,942	111,276	106,907
Acquisition	0	2,760
Held for sale	0	0
Adjustments to prior year acquisitions			122
Foreign currency translation	(397)	4,906	4,247
Ending balance	118,545	118,942	111,276
Commercial Aircraft
Goodwill [Roll Forward]
Beginning balance	92,612	92,612	92,612
Acquisition	0	0
Held for sale	0	0
Adjustments to prior year acquisitions			0
Foreign currency translation	0	0	0
Ending balance	92,612	92,612	92,612
Industrial
Goodwill [Roll Forward]
Beginning balance	362,659	357,938	346,394
Acquisition	0	0
Held for sale	0	(3,719)
Adjustments to prior year acquisitions			0
Foreign currency translation	5,757	8,440	11,544
Ending balance	$ 368,416	$ 362,659	$ 357,938