Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Liabilities of Discontinued Operations	$ 0		$ 3,429
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Income from discontinued operations, net of tax	83	377
Net income from discontinued operations	9,458	377
Continental Industries [Member]
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Trade and other receivables			2,729
Inventories			2,765
Prepaid and other current assets			64
Property, plant and equipment, net			2,765
Goodwill			9,156
Assets of Discontinued Operations			17,479
Liabilities of Discontinued Operations			3,429
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Net sales	1,249	7,423
Operating income	137	634
Income tax expense	54	257
Income from discontinued operations, net of tax	83	377
Gain on disposal of assets	20,157	0
Income tax expense	10,782	0
Net income from discontinued operations	$ 9,458	$ 377

Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Tax

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Disposal Group, Including Discontinued Operation, Income Tax Expense

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The aggregate value (measured at the lower of net carrying value or fair value less cost of disposal) for assets of a disposal group, including a component of the entity (discontinued operation), to be sold or that has been disposed of through sale, as of the financial statement date.

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Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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For the disposal group, including a component of the entity (discontinued operation), the aggregate of amounts due from customers or clients for goods or services that have been delivered or sold in the normal course of business and an amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection and net of any write-downs taken for collection uncertainty on the part of the holder, respectively.

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For the disposal group, including a component of the entity (discontinued operation), carrying amount of goodwill (adjusted for any amortization recognized prior to adoption of FAS 142 and impairment charges).

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For the disposal group, including a component of the entity (discontinued operation), carrying amount of inventories (net of all valuation allowances and write-downs).

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Amount of operating income or loss attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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For the disposal group, including a component of the entity (discontinued operation), carrying amount of assets not otherwise specified in the taxonomy that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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For the disposal group, including a component of the entity (discontinued operation), carrying value (net of accumulated depreciation and any write-downs) of tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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-Name Regulation S-X (SX)

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Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Carrying value as of the balance sheet date of current obligations (due less than one year or one operating cycle, if longer) arising from the sale, disposal or planned sale in the near future (generally within one year) of a disposal group, including a component of the entity (discontinued operation).

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