Segment Information (Operating Profit By Segment And Reconciliation Of Segment Operating Profit To Earnings Before Income Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
Segment Reporting Information
Operating profit	$ 94,536	$ 86,763
Deductions from operating profit:
Interest expense	16,694	13,132
Equity-based compensation expense	$ 4,165	2,974
Non-service pension expense	Other Nonoperating Income (Expense)
Non-service pension expense	$ 3,187	3,099
Corporate and other expenses, net	7,879	7,257
Earnings before income taxes	62,611	60,301
Space And Defense
Segment Reporting Information
Operating profit	25,297	20,294
Military Aircraft
Segment Reporting Information
Operating profit	19,589	15,201
Commercial Aircraft
Segment Reporting Information
Operating profit	20,626	14,517
Industrial
Segment Reporting Information
Operating profit	$ 29,024	$ 36,751