Segment Information (Segment Sales by Customer) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 02, 2022	Apr. 03, 2021	Apr. 02, 2022	Apr. 03, 2021
Segment Reporting Information
Net sales	$ 770,787	$ 736,402	$ 1,494,873	$ 1,420,356
Commercial customer
Segment Reporting Information
Net sales	382,898	357,912	731,824	672,075
U.S. Government customer (including OEM)
Segment Reporting Information
Net sales	318,288	313,862	635,968	615,032
Other Customer
Segment Reporting Information
Net sales	69,601	64,628	127,081	133,249
Aircraft Controls
Segment Reporting Information
Net sales	311,268	304,361	614,585	591,135
Aircraft Controls | Commercial customer
Segment Reporting Information
Net sales	119,179	102,841	236,547	183,917
Aircraft Controls | U.S. Government customer (including OEM)
Segment Reporting Information
Net sales	138,026	151,479	281,905	308,156
Aircraft Controls | Other Customer
Segment Reporting Information
Net sales	54,063	50,041	96,133	99,062
Space And Defense Controls
Segment Reporting Information
Net sales	223,349	206,168	431,205	394,330
Space And Defense Controls | Commercial customer
Segment Reporting Information
Net sales	28,554	37,019	52,877	68,153
Space And Defense Controls | U.S. Government customer (including OEM)
Segment Reporting Information
Net sales	180,109	157,955	350,124	296,127
Space And Defense Controls | Other Customer
Segment Reporting Information
Net sales	14,686	11,194	28,204	30,050
Industrial Systems
Segment Reporting Information
Net sales	236,170	225,873	449,083	434,891
Industrial Systems | Commercial customer
Segment Reporting Information
Net sales	235,165	218,052	442,400	420,005
Industrial Systems | U.S. Government customer (including OEM)
Segment Reporting Information
Net sales	153	4,428	3,939	10,749
Industrial Systems | Other Customer
Segment Reporting Information
Net sales	$ 852	$ 3,393	$ 2,744	$ 4,137