Goodwill And Intangible Assets (Changes In Carrying Amount Of Goodwill) (Details) $ in Thousands	6 Months Ended
Mar. 28, 2020 USD ($)
Goodwill
Beginning balance	$ 784,240
Acquisitions	25,034
Divestitures	(635)
Foreign currency translation	1,715
Ending balance	810,354
Aircraft Controls
Goodwill
Beginning balance	176,939
Acquisitions	0
Divestitures	0
Foreign currency translation	668
Ending balance	177,607
Space And Defense Controls
Goodwill
Beginning balance	261,684
Acquisitions	0
Divestitures	0
Foreign currency translation	11
Ending balance	261,695
Industrial Systems
Goodwill
Beginning balance	345,617
Acquisitions	25,034
Divestitures	(635)
Foreign currency translation	1,036
Ending balance	$ 371,052

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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