Goodwill And Intangible Assets (Changes In Carrying Amount Of Goodwill) (Details) $ in Thousands	3 Months Ended
Dec. 31, 2016 USD ($)
Goodwill
Beginning balance	$ 740,162
Divestiture and held-for-sale	(1,012)
Foreign currency translation	(8,879)
Ending balance	730,271
Aircraft Controls
Goodwill
Beginning balance	179,694
Divestiture and held-for-sale	0
Foreign currency translation	(2,618)
Ending balance	177,076
Space And Defense Controls
Goodwill
Beginning balance	174,514
Divestiture and held-for-sale	(1,012)
Foreign currency translation	(510)
Ending balance	172,992
Industrial Systems
Goodwill
Beginning balance	106,318
Divestiture and held-for-sale	0
Foreign currency translation	(3,934)
Ending balance	102,384
Components
Goodwill
Beginning balance	279,636
Divestiture and held-for-sale	0
Foreign currency translation	(1,817)
Ending balance	$ 277,819

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

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