Goodwill And Intangible Assets (Changes In Carrying Amount Of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015
Goodwill [Roll Forward]
Beginning balance	$ 740,162	$ 737,212	$ 757,852
Acquisition	26,566	21,076
Impairment	0	(4,800)	0
Divestitures	(1,804)		(1,715)
Foreign currency translation	9,344	(13,326)	(18,925)
Ending balance	774,268	740,162	737,212
Aircraft Controls
Goodwill [Roll Forward]
Beginning balance	179,694	188,525	192,852
Acquisition	0	0
Impairment		0
Divestitures	0		0
Foreign currency translation	1,681	(8,831)	(4,327)
Ending balance	181,375	179,694	188,525
Space And Defense Controls
Goodwill [Roll Forward]
Beginning balance	174,514	158,213	159,607
Acquisition	0	21,076
Impairment		(4,800)
Divestitures	(1,804)		0
Foreign currency translation	246	25	(1,394)
Ending balance	172,956	174,514	158,213
Industrial Systems
Goodwill [Roll Forward]
Beginning balance	106,318	110,843	118,009
Acquisition	0	0
Impairment		0
Divestitures	0		0
Foreign currency translation	2,430	(4,525)	(7,166)
Ending balance	108,748	106,318	110,843
Components
Goodwill [Roll Forward]
Beginning balance	279,636	279,631	287,384
Acquisition	26,566	0
Impairment		0
Divestitures	0		(1,715)
Foreign currency translation	4,987	5	(6,038)
Ending balance	$ 311,189	$ 279,636	$ 279,631