Business Acquisition (Tables)

12 Months Ended

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