Segment Information (Segment Sales By Market Type) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 28, 2024	Dec. 30, 2023
Segment Reporting Information
Net sales	$ 910,315	$ 856,850
Space And Defense
Segment Reporting Information
Net sales	247,784	230,128
Space And Defense | Space
Segment Reporting Information
Net sales	108,187	99,610
Space And Defense | Defense
Segment Reporting Information
Net sales	139,597	130,518
Military Aircraft
Segment Reporting Information
Net sales	213,420	186,244
Military Aircraft | Original Equipment Manufacturers
Segment Reporting Information
Net sales	166,207	141,371
Military Aircraft | Aftermarket
Segment Reporting Information
Net sales	47,213	44,873
Commercial Aircraft
Segment Reporting Information
Net sales	220,923	194,222
Commercial Aircraft | Original Equipment Manufacturers
Segment Reporting Information
Net sales	141,077	129,702
Commercial Aircraft | Aftermarket
Segment Reporting Information
Net sales	79,846	64,520
Industrial
Segment Reporting Information
Net sales	228,188	246,256
Industrial | Energy
Segment Reporting Information
Net sales	28,285	32,770
Industrial | Industrial Automation
Segment Reporting Information
Net sales	96,114	116,415
Industrial | Simulation and Test
Segment Reporting Information
Net sales	35,493	37,505
Industrial | Medical
Segment Reporting Information
Net sales	$ 68,296	$ 59,566