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Segment Information (Consolidated Total Assets by Segment) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Assets	$ 3,804,064	$ 2,757,109
Other unallocated assets	254,978	234,301
Property, plant and equipment, net	1,044,033	922,043
Aerospace [Member]
Segment Reporting Information [Line Items]
Assets	1,744,825	1,722,789
Industrial [Member]
Segment Reporting Information [Line Items]
Assets	1,677,724	695,264
Unallocated Corporate [Member]
Segment Reporting Information [Line Items]
Property, plant and equipment, net	$ 126,537	$ 104,755

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-02(13))
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Sum of the carrying amounts as of the balance sheet date of all assets, excluding property, plant and equipment that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

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