Segment Information (Segment Sales By Market Type) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
Segment Reporting Information
Net sales	$ 856,850	$ 760,103
Space And Defense
Segment Reporting Information
Net sales	230,128	217,785
Space And Defense | Space
Segment Reporting Information
Net sales	99,610	95,885
Space And Defense | Defense
Segment Reporting Information
Net sales	130,518	121,900
Military Aircraft
Segment Reporting Information
Net sales	186,244	177,800
Military Aircraft | Original Equipment Manufacturers
Segment Reporting Information
Net sales	141,371	132,768
Military Aircraft | Aftermarket
Segment Reporting Information
Net sales	44,873	45,032
Commercial Aircraft
Segment Reporting Information
Net sales	194,222	132,459
Commercial Aircraft | Original Equipment Manufacturers
Segment Reporting Information
Net sales	129,702	80,675
Commercial Aircraft | Aftermarket
Segment Reporting Information
Net sales	64,520	51,784
Industrial
Segment Reporting Information
Net sales	246,256	232,059
Industrial | Energy
Segment Reporting Information
Net sales	32,770	31,570
Industrial | Industrial Automation
Segment Reporting Information
Net sales	116,415	111,118
Industrial | Simulation and Test
Segment Reporting Information
Net sales	37,505	28,325
Industrial | Medical
Segment Reporting Information
Net sales	$ 59,566	$ 61,046