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Note 6 - Derivative Instruments (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended |  |  |
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Mar. 31, 2014 Nickel Swaps [Member] Minimum [Member] | Mar. 31, 2014 Nickel Swaps [Member] Maximum [Member] | Mar. 31, 2014 Carbon Swaps [Member] Minimum [Member] | Mar. 31, 2014 Carbon Swaps [Member] Maximum [Member] | Mar. 31, 2014 ABL Credit Facility [Member] London Interbank Offered Rate (LIBOR) [Member] Term Loan [Member] | Jun. 30, 2013 ABL Credit Facility [Member] London Interbank Offered Rate (LIBOR) [Member] Term Loan [Member] | Mar. 31, 2014 ABL Credit Facility [Member]
Note 6 - Derivative Instruments (Details) [Line Items] |  |  |  |  |  |  |
Derivative, Remaining Maturity | 1 month | 26 months | 1 month | 9 months |  |  |
Line of Credit Facility, Amount Outstanding (in Dollars) |  |  |  |  | $ 46.7 | $ 53.2 | $ 39.4

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- Definition Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Details
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