Business Acquisition (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
Sep. 30, 2012	Oct. 28, 2011
Forge Acquisition, LLC [Member]
Business Acquisition (Textual) [Abstract]
Purchase price for forging business and related operating assets		$ 24.9
Net sales recorded from the date of acquisition	19.2
TWF Acquisition, LLC [Member]
Business Acquisition (Textual) [Abstract]
Net sales recorded from the date of acquisition	$ 18.7

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)

-URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph r(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration