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Business acquisition contingent consideration term of agreement.

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Business acquisition cost of acquired entity number of days cash with held.

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Business acquisition holdback consideration amount.

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The aggregate amount assigned to a major class of finite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares.

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The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

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Percentage of voting equity interests acquired in the business combination.

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

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The amount of acquisition cost of a business combination allocated to receivables.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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The amount of acquisition cost of a business combination allocated to notes payables and long-term debt assumed from the acquired entity.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the best estimate at the acquisition date of the contractual cash flows not expected to be collected, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables.

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For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the gross contractual amounts receivable, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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In a business combination in which the amount of net identifiable assets acquired and liabilities assumed exceeds the aggregate consideration transferred or to be transferred (as defined), this element represents the amount of gain recognized by the entity.

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Acquisitions (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended				6 Months Ended		6 Months Ended		6 Months Ended		6 Months Ended			6 Months Ended		6 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2011 Singer Steel Company [Member]	Mar. 14, 2011 Singer Steel Company [Member]	Jun. 30, 2011 Singer Steel Company [Member] Customer relationships [Member]	Mar. 14, 2011 Singer Steel Company [Member] Customer relationships [Member]	Jun. 30, 2011 Singer Steel Company [Member] Trademarks [Member]	Mar. 14, 2011 Singer Steel Company [Member] Trademarks [Member]	Jun. 30, 2011 Singer Steel Company [Member] Licensing agreements [Member]	Mar. 14, 2011 Singer Steel Company [Member] Licensing agreements [Member]	Jun. 30, 2012 Turret Steel [Member]	Dec. 09, 2011 Turret Steel [Member]	Dec. 09, 2011 Turret Steel [Member] Customer relationships [Member]	Jun. 30, 2012 Turret Steel [Member] Trademarks [Member]	Dec. 09, 2011 Turret Steel [Member] Trademarks [Member]	Jun. 30, 2012 Turret Steel [Member] Noncompete agreements [Member]	Dec. 09, 2011 Turret Steel [Member] Noncompete agreements [Member]	Jun. 30, 2012 Turret Steel [Member] Maximum [Member] Customer relationships [Member]	Jun. 30, 2012 Turret Steel [Member] Minimum [Member] Customer relationships [Member]	Feb. 17, 2012 Acofran [Member]
Acquisitions (Textual) [Abstract]
Net assets acquired						$ 23.6								$ 78.8
Undisclosed obligation payment period					18 months
Accounts receivable						7.3								12.0
Accounts receivables gross amount						7.8								12.4
Account receivable estimates uncollectible						0.5								0.4
Intangible assets						4.3								45.1
Customer relationships, Trademarks, License agreement								2.2		1.7		0.4			27.8		17.0		0.3
Useful life							7 years		5 years		7 years					20 years		7 years		11 years	7 years
Acquisition-related fees					0.4								0.4
Revenue	1,090.6	1,324.9	2,212.2	2,557.0	15.8
Net income (loss)	30.6	(4.6)	68.8	0.9	6.9
Bargain purchase gain				5.8	5.8
Debt on the acquisition date														6.5
Cash purchase price held back						3.6								1.5
Deferred cash consideration payouts														36.0
Consideration payment period													5 years
Goodwill														$ 25.1
Issued and outstanding capital stock																						50.00%