Segment Information (Segment Sales by Customer) (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
Commercial customer
Segment Reporting Information
Net sales	440,709	382,898	829,662	731,824
U.S. Government customer (including OEM)
Segment Reporting Information
Net sales	337,479	318,288	647,980	635,968
Other Customer
Segment Reporting Information
Net sales	58,604	69,601	119,253	127,081
Aircraft Controls
Segment Reporting Information
Net sales	347,004	311,268	657,263	614,585
Aircraft Controls | Commercial customer
Segment Reporting Information
Net sales	171,303	119,179	309,844	236,547
Aircraft Controls | U.S. Government customer (including OEM)
Segment Reporting Information
Net sales	134,062	138,026	263,845	281,905
Aircraft Controls | Other Customer
Segment Reporting Information
Net sales	41,639	54,063	83,574	96,133
Space And Defense Controls
Segment Reporting Information
Net sales	245,853	223,349	463,638	431,205
Space And Defense Controls | Commercial customer
Segment Reporting Information
Net sales	29,216	28,554	53,789	52,877
Space And Defense Controls | U.S. Government customer (including OEM)
Segment Reporting Information
Net sales	202,579	180,109	382,017	350,124
Space And Defense Controls | Other Customer
Segment Reporting Information
Net sales	14,058	14,686	27,832	28,204
Industrial Systems
Segment Reporting Information
Net sales	243,935	236,170	475,994	449,083
Industrial Systems | Commercial customer
Segment Reporting Information
Net sales	240,190	235,165	466,029	442,400
Industrial Systems | U.S. Government customer (including OEM)
Segment Reporting Information
Net sales	838	153	2,118	3,939
Industrial Systems | Other Customer
Segment Reporting Information
Net sales	$ 2,907	$ 852	$ 7,847	$ 2,744