Segment Information (Operating Profit By Segment And Reconciliation Of Segment Operating Profit To Earnings Before Income Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 30, 2024	Apr. 01, 2023	Mar. 30, 2024	Apr. 01, 2023
Segment Reporting Information
Operating profit	$ 112,012	$ 83,766	$ 206,548	$ 170,529
Deductions from operating profit:
Interest expense	18,003	14,963	34,697	28,095
Equity-based compensation expense	3,047	2,791	$ 7,212	5,765
Non-service pension expense			Other Nonoperating Income (Expense)
Non-service pension expense	3,191	3,115	$ 6,378	6,214
Corporate and other expenses, net	9,022	6,593	16,901	13,850
Earnings before income taxes	78,749	56,304	141,360	116,605
Space And Defense
Segment Reporting Information
Operating profit	42,243	27,507	67,540	47,801
Military Aircraft
Segment Reporting Information
Operating profit	16,769	16,181	36,358	31,382
Commercial Aircraft
Segment Reporting Information
Operating profit	24,845	15,681	45,471	30,198
Industrial
Segment Reporting Information
Operating profit	$ 28,155	$ 24,397	$ 57,179	$ 61,148