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v3.3.0.814

Fair Value Measurements, Fair Value Hierarchy Table (Details) - USD ($) $ in Millions | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Financial Assets: |  |
Derivative Asset | $ 0.3 | $ 85.7
Deferred compensation plan assets | 7.0 | 7.3
Financial Liabilities: |  |
Derivative Liability | (19.3) | (96.8)
Recurring |  |
Financial Assets: |  |
Cash and cash equivalents | 82.6 | 177.7
Deferred compensation plan assets | 7.0 | 7.3
Total Assets | 119.9 | 384.7
Financial Liabilities: |  |
Convertible Notes |  | (263.3)
Total Liabilities | (252.3) | (604.6)
Recurring | Senior Notes |  |
Financial Liabilities: |  |
Senior Notes | (233.0) | (244.5)
Recurring | Debt securities |  |
Financial Assets: |  |
Short-term investments | 30.0 | 114.0
Recurring | Aluminum | Midwest premium swap contracts |  |
Financial Assets: |  |
Derivative Asset | 0.1 |
Recurring | Level 1 |  |
Financial Assets: |  |
Cash and cash equivalents | 37.1 | 29.5
Deferred compensation plan assets | 0.0 | 0.0
Total Assets | 37.1 | 29.5
Financial Liabilities: |  |
Convertible Notes |  | (263.3)
Total Liabilities | (233.0) | (507.8)
Recurring | Level 1 | Senior Notes |  |
Financial Liabilities: |  |
Senior Notes | (233.0) | (244.5)
Recurring | Level 1 | Debt securities |  |
Financial Assets: |  |
Short-term investments | 0.0 | 0.0
Recurring | Level 1 | Aluminum | Midwest premium swap contracts |  |
Financial Assets: |  |
Derivative Asset | 0.0 |
Recurring | Level 2 |  |
Financial Assets: |  |
Cash and cash equivalents | 45.5 | 148.2
Deferred compensation plan assets | 7.0 | 7.3
Total Assets | 82.7 | 354.2
Financial Liabilities: |  |
Convertible Notes |  | 0.0
Total Liabilities | (17.3) | (96.8)
Recurring | Level 2 | Senior Notes |  |
Financial Liabilities: |  |
Senior Notes | 0.0 | 0.0
Recurring | Level 2 | Debt securities |  |
Financial Assets: |  |
Short-term investments | 30.0 | 114.0
Recurring | Level 2 | Aluminum | Midwest premium swap contracts |  |
Financial Assets: |  |
Derivative Asset | 0.0 |
Recurring | Level 3 |  |
Financial Assets: |  |
Cash and cash equivalents | 0.0 | 0.0
Deferred compensation plan assets | 0.0 | 0.0
Total Assets | 0.1 | 1.0
Financial Liabilities: |  |
Convertible Notes |  | 0.0
Total Liabilities | (2.0) | 0.0
Recurring | Level 3 | Senior Notes |  |
Financial Liabilities: |  |
Senior Notes | 0.0 | 0.0
Recurring | Level 3 | Debt securities |  |
Financial Assets: |  |
Short-term investments | 0.0 | 0.0
Not Designated as Hedging Instrument | Recurring | Aluminum | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | (10.3) | (4.2)
Not Designated as Hedging Instrument | Recurring | Aluminum | Fixed priced contracts | Sales |  |
Financial Assets: |  |
Derivative Asset | 0.2 |
Not Designated as Hedging Instrument | Recurring | Aluminum | Midwest premium swap contracts |  |
Financial Assets: |  |
Derivative Asset |  | 1.0
Financial Liabilities: |  |
Derivative Liability | (2.0) |
Not Designated as Hedging Instrument | Recurring | Natural Gas | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | (6.4) | (6.2)
Not Designated as Hedging Instrument | Recurring | Electricity | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | (0.4) | (1.7)
Not Designated as Hedging Instrument | Recurring | Hedges Relating to the Convertible Notes | Call Options |  |
Financial Assets: |  |
Derivative Asset |  | 84.7
Not Designated as Hedging Instrument | Recurring | Hedges Relating to the Convertible Notes | Bifurcated Conversion Feature |  |
Financial Liabilities: |  |
Derivative Liability |  | (84.7)
Not Designated as Hedging Instrument | Recurring | Level 1 | Aluminum | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | 0.0 | 0.0
Not Designated as Hedging Instrument | Recurring | Level 1 | Aluminum | Fixed priced contracts | Sales |  |
Financial Assets: |  |
Derivative Asset | 0.0 |
Not Designated as Hedging Instrument | Recurring | Level 1 | Aluminum | Midwest premium swap contracts |  |
Financial Assets: |  |
Derivative Asset |  | 0.0
Financial Liabilities: |  |
Derivative Liability | 0.0 |
Not Designated as Hedging Instrument | Recurring | Level 1 | Natural Gas | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | 0.0 | 0.0
Not Designated as Hedging Instrument | Recurring | Level 1 | Electricity | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | 0.0 | 0.0
Not Designated as Hedging Instrument | Recurring | Level 1 | Hedges Relating to the Convertible Notes | Call Options |  |
Financial Assets: |  |
Derivative Asset |  | 0.0
Not Designated as Hedging Instrument | Recurring | Level 1 | Hedges Relating to the Convertible Notes | Bifurcated Conversion Feature |  |
Financial Liabilities: |  |
Derivative Liability |  | 0.0
Not Designated as Hedging Instrument | Recurring | Level 2 | Aluminum | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | (10.3) | (4.2)
Not Designated as Hedging Instrument | Recurring | Level 2 | Aluminum | Fixed priced contracts | Sales |  |
Financial Assets: |  |
Derivative Asset | 0.2 |
Not Designated as Hedging Instrument | Recurring | Level 2 | Aluminum | Midwest premium swap contracts |  |
Financial Assets: |  |
Derivative Asset |  | 0.0
Financial Liabilities: |  |
Derivative Liability | 0.0 |
Not Designated as Hedging Instrument | Recurring | Level 2 | Natural Gas | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | (6.4) | (6.2)
Not Designated as Hedging Instrument | Recurring | Level 2 | Electricity | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | (0.4) | (1.7)
Not Designated as Hedging Instrument | Recurring | Level 2 | Hedges Relating to the Convertible Notes | Call Options |  |
Financial Assets: |  |
Derivative Asset |  | 84.7
Not Designated as Hedging Instrument | Recurring | Level 2 | Hedges Relating to the Convertible Notes | Bifurcated Conversion Feature |  |
Financial Liabilities: |  |
Derivative Liability |  | (84.7)
Not Designated as Hedging Instrument | Recurring | Level 3 | Aluminum | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | 0.0 | 0.0
Not Designated as Hedging Instrument | Recurring | Level 3 | Aluminum | Fixed priced contracts | Sales |  |
Financial Assets: |  |
Derivative Asset | 0.0 |
Not Designated as Hedging Instrument | Recurring | Level 3 | Aluminum | Midwest premium swap contracts |  |
Financial Assets: |  |
Derivative Asset |  | 1.0
Not Designated as Hedging Instrument | Recurring | Level 3 | Natural Gas | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | 0.0 | 0.0
Not Designated as Hedging Instrument | Recurring | Level 3 | Electricity | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | 0.0 | 0.0
Not Designated as Hedging Instrument | Recurring | Level 3 | Hedges Relating to the Convertible Notes | Call Options |  |
Financial Assets: |  |
Derivative Asset |  | 0.0
Not Designated as Hedging Instrument | Recurring | Level 3 | Hedges Relating to the Convertible Notes | Bifurcated Conversion Feature |  |
Financial Liabilities: |  |
Derivative Liability |  | $ 0.0
Designated as Hedging Instrument [Member] | Recurring | Foreign Currency Member | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | (0.2) |
Designated as Hedging Instrument [Member] | Recurring | Level 1 | Foreign Currency Member | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | 0.0 |
Designated as Hedging Instrument [Member] | Recurring | Level 2 | Foreign Currency Member | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | (0.2) |
Designated as Hedging Instrument [Member] | Recurring | Level 3 | Foreign Currency Member | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | 0.0 |
Income Approach Valuation Technique | Level 3 | Aluminum | Midwest premium swap contracts |  |
Financial Assets: |  |
Derivative Asset | 0.1 |
Income Approach Valuation Technique | Not Designated as Hedging Instrument | Level 3 | Aluminum | Midwest premium swap contracts |  |
Financial Liabilities: |  |
Derivative Liability | $ (2.0) |

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