Goodwill And Intangible Assets (Changes In Carrying Amount Of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Goodwill [Roll Forward]
Beginning balance	$ 784,240	$ 797,217	$ 774,268
Acquisitions	25,237		31,098
Divestitures	(635)	(1,237)	(1,836)
Foreign currency translation	13,014	(11,740)	(6,313)
Ending balance	821,856	784,240	797,217
Aircraft Controls
Goodwill [Roll Forward]
Beginning balance	176,939	179,907	181,375
Acquisitions	0		0
Divestitures	0	0	0
Foreign currency translation	2,582	(2,968)	(1,468)
Ending balance	179,521	176,939	179,907
Space and Defense Controls
Goodwill [Roll Forward]
Beginning balance	261,684	261,732	259,951
Acquisitions	0		3,769
Divestitures	0	0	(1,836)
Foreign currency translation	42	(48)	(152)
Ending balance	261,726	261,684	261,732
Industrial Systems
Goodwill [Roll Forward]
Beginning balance	345,617	355,578	332,942
Acquisitions	25,237		27,329
Divestitures	(635)	(1,237)	0
Foreign currency translation	10,390	(8,724)	(4,693)
Ending balance	$ 380,609	$ 345,617	$ 355,578