Segment Information (Operating Profit By Segment And Reconciliation Of Segment Operating Profit To Earnings Before Income Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Segment Reporting Information
Operating profit	$ 84,112	$ 75,262	$ 241,343	$ 188,096
Deductions from operating profit:
Interest expense	9,780	8,850	29,401	26,585
Equity-based compensation expense	1,439	894	5,130	4,394
Non-service pension expense	3,182	1,693	9,562	5,093
Corporate and other expenses, net	7,991	8,870	21,728	23,566
Earnings before income taxes	61,720	54,955	175,522	128,458
Aircraft Controls
Segment Reporting Information
Operating profit	34,484	33,601	94,805	98,437
Space And Defense Controls
Segment Reporting Information
Operating profit	24,133	16,689	63,110	50,204
Industrial Systems
Segment Reporting Information
Operating profit	$ 25,495	$ 24,972	$ 83,428	$ 39,455

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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