Segment Information (Sales by Revenue Recognition Method) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 30, 2024	Apr. 01, 2023	Mar. 30, 2024	Apr. 01, 2023
Segment Reporting Information
Net sales	$ 930,303	$ 836,792	$ 1,787,153	$ 1,596,895
Transferred over time
Segment Reporting Information
Net sales	596,458	533,410	1,133,262	1,015,412
Transferred at point in time
Segment Reporting Information
Net sales	333,845	303,382	653,891	581,483
Space And Defense
Segment Reporting Information
Net sales	266,787	245,853	496,915	463,638
Space And Defense | Transferred over time
Segment Reporting Information
Net sales	242,631	229,073	452,826	431,163
Space And Defense | Transferred at point in time
Segment Reporting Information
Net sales	24,156	16,780	44,089	32,475
Military Aircraft
Segment Reporting Information
Net sales	202,500	182,753	388,744	360,553
Military Aircraft | Transferred over time
Segment Reporting Information
Net sales	161,959	149,795	313,915	293,085
Military Aircraft | Transferred at point in time
Segment Reporting Information
Net sales	40,541	32,958	74,829	67,468
Commercial Aircraft
Segment Reporting Information
Net sales	207,594	164,251	401,816	296,710
Commercial Aircraft | Transferred over time
Segment Reporting Information
Net sales	157,107	126,680	300,010	230,246
Commercial Aircraft | Transferred at point in time
Segment Reporting Information
Net sales	50,487	37,571	101,806	66,464
Industrial
Segment Reporting Information
Net sales	253,422	243,935	499,678	475,994
Industrial | Transferred over time
Segment Reporting Information
Net sales	34,761	27,862	66,511	60,918
Industrial | Transferred at point in time
Segment Reporting Information
Net sales	$ 218,661	$ 216,073	$ 433,167	$ 415,076