ACQUISITION (Details Textuals) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended			3 Months Ended	8 Months Ended	9 Months Ended			9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Aug. 22, 2012	Sep. 30, 2012 KA Steel [Member]	Aug. 22, 2012 KA Steel [Member]	Sep. 30, 2012 KA Steel [Member]	Sep. 30, 2013 KA Steel [Member] Customers, customer contracts and relationships [Member]	Aug. 22, 2012 KA Steel [Member] Customers, customer contracts and relationships [Member]	Sep. 30, 2013 KA Steel [Member] Other Intangible Assets [Member]	Aug. 22, 2012 KA Steel [Member] Other Intangible Assets [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired					100.00%		100.00%
Purchase price adjustment							$ 1.9
Cash and cash equivalents							26.2
Face amount of senior secured notes							200.0
Interest rate							5.50%
Long Term Debt Net Proceeds							196.0
Payments of Debt Issuance Costs			0	5.6			4.0
Purchase Price Allocation, Receivables							63.1
Business Acquisition Contracted Receivables Acquired							63.5
Other liabilities	10.0		10.0				10.0
Final valuation of intangible assets										128.0		0.4
Acquired Indefinite-lived Intangible Asset, Amount							10.9
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life									10 years 0 months 0 days		4 years 0 months 0 days
Goodwill							119.7
Tax deductible portion of goodwill							119.7
Additional amortization expense related to the fair value of acquired identifiable intangible assets						1.6		8.0
Increase of Depreciation Expense Fair Value Adjustment Property Plant And Equipment						0.1		0.2
Increase in interest expense due to debt issuance for acquisition						1.6		7.1
Eliminatation of intersegment sales						4.6		23.2
Acquisition costs	0	8.3	0	8.3		8.3		8.3
Pro Forma Decrease Of Tax Provision						$ (3.8)		$ (1.1)