Segment Information (Segment Sales By Market Type) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 01, 2023	Apr. 02, 2022	Apr. 01, 2023	Apr. 02, 2022
Segment Reporting Information
Net sales	$ 836,792	$ 770,787	$ 1,596,895	$ 1,494,873
Aircraft Controls
Segment Reporting Information
Net sales	347,004	311,268	657,263	614,585
Aircraft Controls | Military
Segment Reporting Information
Net sales	175,701	192,089	347,419	378,038
Aircraft Controls | Commercial
Segment Reporting Information
Net sales	171,303	119,179	309,844	236,547
Space And Defense Controls
Segment Reporting Information
Net sales	245,853	223,349	463,638	431,205
Space And Defense Controls | Space
Segment Reporting Information
Net sales	111,873	87,074	207,758	174,657
Space And Defense Controls | Defense
Segment Reporting Information
Net sales	133,980	136,275	255,880	256,548
Industrial Systems
Segment Reporting Information
Net sales	243,935	236,170	475,994	449,083
Industrial Systems | Energy
Segment Reporting Information
Net sales	28,980	32,316	60,550	63,782
Industrial Systems | Industrial Automation
Segment Reporting Information
Net sales	125,538	110,411	236,656	212,554
Industrial Systems | Simulation and Test
Segment Reporting Information
Net sales	24,765	29,625	53,090	51,800
Industrial Systems | Medical
Segment Reporting Information
Net sales	$ 64,652	$ 63,818	$ 125,698	$ 120,947