Estimated Fair Values of Assets Acquired and Liabilities Assumed for Armor Inox Acquisition (Details) (USD $) In Thousands, unless otherwise specified	Sep. 05, 2012 as initially reported	Dec. 21, 2011 Armor Inox	Dec. 21, 2011 Armor Inox as initially reported	Dec. 21, 2011 Armor Inox Measurement Period Adjustments
Business Acquisition [Line Items]
Cash		$ 18,201	$ 18,201	$ 0
Current assets		13,737	14,612	(875)
Property, plant and equipment		1,430	941	489
Goodwill		24,175	23,789	386
Other intangibles		12,155	12,155	0
Other assets		25	25	0
Current liabilities		(18,440)	(18,440)	0
Long-term deferred tax liability		(3,975)	(3,975)	0
Other non-current liabilities	(4,000)	(450)	(450)	0
Net assets acquired and liabilities assumed	$ 32,000	$ 46,858	$ 46,858	$ 0

Business Acquisition, Purchase Price Allocation, Intangible Assets

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The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.

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The amount of acquisition cost of a business combination allocated to current assets.

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The amount of cash and cash equivalents acquired in a business combination.

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The amount of acquisition cost of a business combination allocated to current liabilities of the acquired entity.

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Amount of deferred tax assets or liabilities for the differences between the values assigned and the tax bases of assets and liabilities in a business combination, net of any valuation allowance for deferred tax assets.

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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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The amount of acquisition cost of a business combination allocated to noncurrent assets of the acquired entity, except for property plant and equipment, intangible assets, and goodwill.

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The amount of acquisition cost of a business combination allocated to other noncurrent liabilities of the acquired entity.

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The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations.

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