Goodwill And Intangible Assets (Changes In Carrying Amount Of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jun. 30, 2012
Goodwill And Intangible Assets [Line Items]
Goodwill, beginning balance	$ 735,021
Current Year Acquisitions	12,429
Goodwill, Allocation Adjustment	(4,012)
Foreign Currency Translation	(2,609)
Goodwill, ending balance	740,829
Aircraft Controls [Member]
Goodwill And Intangible Assets [Line Items]
Goodwill, beginning balance	194,052
Current Year Acquisitions	0
Goodwill, Allocation Adjustment	(3,865)
Foreign Currency Translation	431
Goodwill, ending balance	190,618
Space And Defense Controls [Member]
Goodwill And Intangible Assets [Line Items]
Goodwill, beginning balance	121,416
Current Year Acquisitions	5,374
Goodwill, Allocation Adjustment	0
Foreign Currency Translation	(593)
Goodwill, ending balance	126,197
Industrial Systems [Member]
Goodwill And Intangible Assets [Line Items]
Goodwill, beginning balance	120,834
Current Year Acquisitions	0
Goodwill, Allocation Adjustment	0
Foreign Currency Translation	(2,673)
Goodwill, ending balance	118,161
Components [Member]
Goodwill And Intangible Assets [Line Items]
Goodwill, beginning balance	172,531
Current Year Acquisitions	7,055
Goodwill, Allocation Adjustment	(147)
Foreign Currency Translation	862
Goodwill, ending balance	180,301
Medical Devices [Member]
Goodwill And Intangible Assets [Line Items]
Goodwill, beginning balance	126,188
Current Year Acquisitions	0
Goodwill, Allocation Adjustment	0
Foreign Currency Translation	(636)
Goodwill, ending balance	$ 125,552