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Business Acquisition (Tables) | 12 Months Ended
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Sep. 30, 2013
Business Acquisition [Line Items] |
Pro forma results of operations |
| Years Ended September 30,
| 2013 |  | 2012
Net sales | $ | 120,439 |  |  | $ | 109,560 |
Net income | 10,349 |  |  | 6,528 |
Net income per share (basic) | 1.93 |  |  | 1.23 |
Net income per share (diluted) | 1.92 |  |  | 1.21 |
General Aluminum Forgings, LLC [Member] |
Business Acquisition [Line Items] |
Preliminary allocation of purchase price and estimated goodwill and intangible assets | The following table summarizes the Company's purchase price allocation of the estimated fair values of the assets acquired and liabilities assumed:
| July 23, 2013
Assets acquired: |
Accounts receivable | $ | 645 |
Inventory | 1,173 |
Property and equipment | 1,369 |
Intangible assets | 1,100 |
Goodwill | 605 |
Other | 27 |
| 4,919 |
Liabilities assumed: |
Accounts payable and accrued liabilities | 532 |
Total purchase price | $ | 4,387 |
Forge Acquisition LLC [Member] |
Business Acquisition [Line Items] |
Preliminary allocation of purchase price and estimated goodwill and intangible assets | The allocation of the purchase price, including amounts attributable to goodwill and intangible assets, is as follows:
| October 28, 2011
Assets acquired: |
Accounts receivable | $ | 3,703 |
Inventory | 3,961 |
Property and equipment | 4,965 |
Intangible assets | 9,000 |
Goodwill | 3,522 |
Other | 153 |
| 25,304 |
Liabilities assumed: |
Accounts payable and accrued liabilities | 418 |
Total purchase price | $ | 24,886 |

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- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 54 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 55 -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. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph r(2, 3) -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. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463 + Details
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