Goodwill (Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Mar. 31, 2014
Goodwill, Beginning Balance	$ 561,458
Effects of Currency Translation	1,159
Goodwill, Ending Balance	562,617
Aerospace [Member]
Goodwill, Beginning Balance	455,107
Effects of Currency Translation	225
Goodwill, Ending Balance	455,332
Energy [Member]
Goodwill, Beginning Balance	106,351
Effects of Currency Translation	934
Goodwill, Ending Balance	$ 107,285

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

-URI http://asc.fasb.org/extlink&oid=14024403&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

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant