Goodwill And Intangible Assets (Changes In Carrying Amount Of Goodwill) (Details) $ in Thousands	3 Months Ended
	Dec. 30, 2017 USD ($)
Goodwill
Beginning balance	$ 774,268
Foreign currency translation	1,888
Ending balance	776,156
Aircraft Controls
Goodwill
Beginning balance	181,375
Foreign currency translation	430
Ending balance	181,805
Space And Defense Controls
Goodwill
Beginning balance	259,951
Foreign currency translation	111
Ending balance	260,062
Industrial Systems
Goodwill
Beginning balance	332,942
Foreign currency translation	1,347
Ending balance	$ 334,289