Derivative Financial Instruments and Hedging (Details2) (USD $)
In Millions, unless otherwise specified |
Jun. 30, 2014
|
Dec. 31, 2013
|
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Asset | $ 16.1 | $ 4.3 |
Derivative Fair Value Of Derivative Liability | 8.0 | 21.6 |
Designated as Hedging Instrument [Member]
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Asset | 15.8 | 4.3 |
Derivative Fair Value Of Derivative Liability | 7.8 | 19.9 |
Not Designated as Hedging Instrument [Member]
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Asset | 0.3 | 0 |
Derivative Fair Value Of Derivative Liability | 0.2 | 1.7 |
Prepaid expenses and other current assets | Nickel and other raw material contracts | Designated as Hedging Instrument [Member]
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Asset | 7.1 | 0.1 |
Prepaid expenses and other current assets | Natural gas contracts | Designated as Hedging Instrument [Member]
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Asset | 2.4 | 2.5 |
Prepaid expenses and other current assets | Electricity contracts | Designated as Hedging Instrument [Member]
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Asset | 0.1 | 0 |
Prepaid expenses and other current assets | Foreign exchange contracts | Designated as Hedging Instrument [Member]
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Asset | 0.2 | 0.3 |
Prepaid expenses and other current assets | Foreign exchange contracts | Not Designated as Hedging Instrument [Member]
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Asset | 0.3 | 0 |
Other assets | Nickel and other raw material contracts | Designated as Hedging Instrument [Member]
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Asset | 5.4 | 0.4 |
Other assets | Natural gas contracts | Designated as Hedging Instrument [Member]
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Asset | 0.6 | 1.0 |
Accrued liabilities | Nickel and other raw material contracts | Designated as Hedging Instrument [Member]
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Liability | 0.1 | 4.5 |
Accrued liabilities | Natural gas contracts | Designated as Hedging Instrument [Member]
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Liability | 0.5 | 0.4 |
Accrued liabilities | Electricity contracts | Designated as Hedging Instrument [Member]
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Liability | 0.1 | 0.5 |
Accrued liabilities | Foreign exchange contracts | Designated as Hedging Instrument [Member]
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Liability | 4.2 | 7.8 |
Accrued liabilities | Foreign exchange contracts | Not Designated as Hedging Instrument [Member]
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Liability | 0.2 | 1.7 |
Other long-term liabilities | Nickel and other raw material contracts | Designated as Hedging Instrument [Member]
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Liability | 0 | 1.3 |
Other long-term liabilities | Natural gas contracts | Designated as Hedging Instrument [Member]
|
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Liability | 1.2 | 0 |
Other long-term liabilities | Foreign exchange contracts | Designated as Hedging Instrument [Member]
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Derivatives Fair Value [Line Items] | ||
Derivative Fair Value Of Derivative Liability | $ 1.7 | $ 5.4 |