Segment Information (Sales by Revenue Recognition Method) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
Segment Reporting Information
Net sales	$ 856,850	$ 760,103
Transferred over time
Segment Reporting Information
Net sales	536,804	482,002
Transferred at point in time
Segment Reporting Information
Net sales	320,046	278,101
Space And Defense
Segment Reporting Information
Net sales	230,128	217,785
Space And Defense | Transferred over time
Segment Reporting Information
Net sales	210,195	202,090
Space And Defense | Transferred at point in time
Segment Reporting Information
Net sales	19,933	15,695
Military Aircraft
Segment Reporting Information
Net sales	186,244	177,800
Military Aircraft | Transferred over time
Segment Reporting Information
Net sales	151,956	143,290
Military Aircraft | Transferred at point in time
Segment Reporting Information
Net sales	34,288	34,510
Commercial Aircraft
Segment Reporting Information
Net sales	194,222	132,459
Commercial Aircraft | Transferred over time
Segment Reporting Information
Net sales	142,903	103,566
Commercial Aircraft | Transferred at point in time
Segment Reporting Information
Net sales	51,319	28,893
Industrial
Segment Reporting Information
Net sales	246,256	232,059
Industrial | Transferred over time
Segment Reporting Information
Net sales	31,750	33,056
Industrial | Transferred at point in time
Segment Reporting Information
Net sales	$ 214,506	$ 199,003