Segment Information (Sales by Revenue Recognition Method) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 28, 2024	Dec. 30, 2023
Segment Reporting Information
Net sales	$ 910,315	$ 856,850
Transferred over time
Segment Reporting Information
Net sales	588,115	536,804
Transferred at point in time
Segment Reporting Information
Net sales	322,200	320,046
Space And Defense
Segment Reporting Information
Net sales	247,784	230,128
Space And Defense | Transferred over time
Segment Reporting Information
Net sales	223,382	210,195
Space And Defense | Transferred at point in time
Segment Reporting Information
Net sales	24,402	19,933
Military Aircraft
Segment Reporting Information
Net sales	213,420	186,244
Military Aircraft | Transferred over time
Segment Reporting Information
Net sales	176,554	151,956
Military Aircraft | Transferred at point in time
Segment Reporting Information
Net sales	36,866	34,288
Commercial Aircraft
Segment Reporting Information
Net sales	220,923	194,222
Commercial Aircraft | Transferred over time
Segment Reporting Information
Net sales	161,212	142,903
Commercial Aircraft | Transferred at point in time
Segment Reporting Information
Net sales	59,711	51,319
Industrial
Segment Reporting Information
Net sales	228,188	246,256
Industrial | Transferred over time
Segment Reporting Information
Net sales	26,967	31,750
Industrial | Transferred at point in time
Segment Reporting Information
Net sales	$ 201,221	$ 214,506