Segment Information (Segment Sales By Market Type) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Segment Reporting Information
Net sales	$ 724,086	$ 683,954
Aircraft Controls
Segment Reporting Information
Net sales	303,317	286,774
Aircraft Controls | Military
Segment Reporting Information
Net sales	185,949	205,698
Aircraft Controls | Commercial
Segment Reporting Information
Net sales	117,368	81,076
Space And Defense Controls
Segment Reporting Information
Net sales	207,856	188,162
Space And Defense Controls | Space
Segment Reporting Information
Net sales	87,583	77,811
Space And Defense Controls | Defense
Segment Reporting Information
Net sales	120,273	110,351
Industrial Systems
Segment Reporting Information
Net sales	212,913	209,018
Industrial Systems | Energy
Segment Reporting Information
Net sales	31,466	28,644
Industrial Systems | Industrial Automation
Segment Reporting Information
Net sales	102,143	95,231
Industrial Systems | Simulation and Test
Segment Reporting Information
Net sales	22,175	20,126
Industrial Systems | Medical
Segment Reporting Information
Net sales	$ 57,129	$ 65,017