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Goodwill And Intangible Assets (Changes In Carrying Amount Of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Oct. 01, 2016
Goodwill [Roll Forward]
Beginning balance	$ 774,268	$ 740,162	$ 737,212
Acquisitions	31,098	26,566	21,076
Impairment	0	0	(4,800)
Divestitures	(1,836)	(1,804)
Foreign currency translation	(6,313)	9,344	(13,326)
Ending balance	797,217	774,268	740,162
Aircraft Controls
Goodwill [Roll Forward]
Beginning balance	181,375	179,694	188,525
Acquisitions	0	0	0
Impairment			0
Divestitures	0	0
Foreign currency translation	(1,468)	1,681	(8,831)
Ending balance	179,907	181,375	179,694
Space And Defense Controls
Goodwill [Roll Forward]
Beginning balance	259,951	261,482	245,323
Acquisitions	3,769	0	21,076
Impairment			(4,800)
Divestitures	(1,836)	(1,804)
Foreign currency translation	(152)	273	(117)
Ending balance	261,732	259,951	261,482
Industrial Systems
Goodwill [Roll Forward]
Beginning balance	332,942	298,986	303,364
Acquisitions	27,329	26,566	0
Impairment			0
Divestitures	0	0
Foreign currency translation	(4,693)	7,390	(4,378)
Ending balance	$ 355,578	$ 332,942	$ 298,986

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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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