Segment Information (Segment Sales by Customer) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Segment Reporting Information
Net sales	$ 724,086	$ 683,954
Commercial Customer
Segment Reporting Information
Net sales	348,926	314,163
U.S. Government Customer
Segment Reporting Information
Net sales	317,680	301,170
Other Customer
Segment Reporting Information
Net sales	57,480	68,621
Aircraft Controls
Segment Reporting Information
Net sales	303,317	286,774
Aircraft Controls | Commercial Customer
Segment Reporting Information
Net sales	117,368	81,076
Aircraft Controls | U.S. Government Customer
Segment Reporting Information
Net sales	143,879	156,677
Aircraft Controls | Other Customer
Segment Reporting Information
Net sales	42,070	49,021
Space And Defense Controls
Segment Reporting Information
Net sales	207,856	188,162
Space And Defense Controls | Commercial Customer
Segment Reporting Information
Net sales	24,323	31,134
Space And Defense Controls | U.S. Government Customer
Segment Reporting Information
Net sales	170,015	138,172
Space And Defense Controls | Other Customer
Segment Reporting Information
Net sales	13,518	18,856
Industrial Systems
Segment Reporting Information
Net sales	212,913	209,018
Industrial Systems | Commercial Customer
Segment Reporting Information
Net sales	207,235	201,953
Industrial Systems | U.S. Government Customer
Segment Reporting Information
Net sales	3,786	6,321
Industrial Systems | Other Customer
Segment Reporting Information
Net sales	$ 1,892	$ 744