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Segment Information (Consolidated Total Assets by Segment) (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Sep. 30, 2013
--- | --- | ---
Assets | $ 2,200,173 | $ 2,218,518
Property, plant and equipment, net | 375,589 | 350,048
Aerospace [Member] |  |
Assets | 1,331,896 | 1,361,861
Energy [Member] |  |
Assets | 586,846 | 599,007
Unallocated Corporate [Member] |  |
Property, plant and equipment, net | 57,824 | 50,115
Other unallocated assets | 223,607 | 207,535
Total of Reporting Segments [Member] |  |
Assets | $ 1,918,742 | $ 1,960,868

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