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v3.3.1.900

Fair Value Measurements, Fair Value Hierarchy Table (Details) - USD ($) $ in Millions | Mar. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Financial Assets: |  |
Derivative Asset | $ 1.6 | $ 1.6
Deferred compensation plan assets | 7.3 | 7.3
Financial Liabilities: |  |
Derivative Liability | (12.0) | (16.2)
Fair Value, Measurements, Recurring |  |
Financial Assets: |  |
Cash and cash equivalents | 70.7 | 72.5
Deferred compensation plan assets | 7.3 | 7.3
Total Assets | 89.6 | 111.4
Financial Liabilities: |  |
Total Liabilities | (217.7) | (223.5)
Fair Value, Measurements, Recurring | Senior Notes |  |
Financial Liabilities: |  |
Senior Notes | (205.7) | (207.3)
Fair Value, Measurements, Recurring | Debt securities |  |
Financial Assets: |  |
Short-term investments | 10.0 | 30.0
Fair Value, Measurements, Recurring | Aluminum | Option on Securities [Member] | Purchase |  |
Financial Assets: |  |
Derivative Asset | 0.2 | 0.2
Fair Value, Measurements, Recurring | Aluminum | Fixed priced contracts | Purchase |  |
Financial Assets: |  |
Derivative Asset | 0.8 | 0.3
Financial Liabilities: |  |
Derivative Liability |  | (8.9)
Fair Value, Measurements, Recurring | Aluminum | Fixed priced contracts | Sales |  |
Financial Assets: |  |
Derivative Asset |  | 0.2
Financial Liabilities: |  |
Derivative Liability |  | (0.1)
Fair Value, Measurements, Recurring | Aluminum | Midwest premium swap contracts |  |
Financial Assets: |  |
Derivative Asset | 0.5 | 0.9
Fair Value, Measurements, Recurring | Natural Gas | Fixed priced contracts | Purchase |  |
Financial Assets: |  |
Derivative Asset | 0.1 |
Financial Liabilities: |  |
Derivative Liability |  | (6.7)
Fair Value, Measurements, Recurring | Level 1 |  |
Financial Assets: |  |
Cash and cash equivalents | 34.5 | 40.3
Deferred compensation plan assets | 0.0 | 0.0
Total Assets | 34.5 | 40.3
Financial Liabilities: |  |
Total Liabilities | (205.7) | (207.3)
Fair Value, Measurements, Recurring | Level 1 | Senior Notes |  |
Financial Liabilities: |  |
Senior Notes | (205.7) | (207.3)
Fair Value, Measurements, Recurring | Level 1 | Debt securities |  |
Financial Assets: |  |
Short-term investments | 0.0 | 0.0
Fair Value, Measurements, Recurring | Level 1 | Aluminum | Option on Securities [Member] | Purchase |  |
Financial Assets: |  |
Derivative Asset | 0.0 | 0.0
Fair Value, Measurements, Recurring | Level 1 | Aluminum | Fixed priced contracts | Purchase |  |
Financial Assets: |  |
Derivative Asset | 0.0 | 0.0
Financial Liabilities: |  |
Derivative Liability |  | 0.0
Fair Value, Measurements, Recurring | Level 1 | Aluminum | Fixed priced contracts | Sales |  |
Financial Assets: |  |
Derivative Asset |  | 0.0
Financial Liabilities: |  |
Derivative Liability |  | 0.0
Fair Value, Measurements, Recurring | Level 1 | Aluminum | Midwest premium swap contracts |  |
Financial Assets: |  |
Derivative Asset | 0.0 | 0.0
Fair Value, Measurements, Recurring | Level 1 | Natural Gas | Fixed priced contracts | Purchase |  |
Financial Assets: |  |
Derivative Asset | 0.0 |
Financial Liabilities: |  |
Derivative Liability |  | 0.0
Fair Value, Measurements, Recurring | Level 2 |  |
Financial Assets: |  |
Cash and cash equivalents | 36.2 | 32.2
Short-term investments |  | 30.0
Deferred compensation plan assets | 7.3 | 7.3
Total Assets | 54.6 | 70.2
Financial Liabilities: |  |
Total Liabilities | (11.7) | (15.9)
Fair Value, Measurements, Recurring | Level 2 | Senior Notes |  |
Financial Liabilities: |  |
Senior Notes | 0.0 | 0.0
Fair Value, Measurements, Recurring | Level 2 | Debt securities |  |
Financial Assets: |  |
Short-term investments | 10.0 |
Fair Value, Measurements, Recurring | Level 2 | Aluminum | Option on Securities [Member] | Purchase |  |
Financial Assets: |  |
Derivative Asset | 0.2 | 0.2
Fair Value, Measurements, Recurring | Level 2 | Aluminum | Fixed priced contracts | Purchase |  |
Financial Assets: |  |
Derivative Asset | 0.8 | 0.3
Financial Liabilities: |  |
Derivative Liability |  | (8.9)
Fair Value, Measurements, Recurring | Level 2 | Aluminum | Fixed priced contracts | Sales |  |
Financial Assets: |  |
Derivative Asset |  | 0.2
Financial Liabilities: |  |
Derivative Liability |  | (0.1)
Fair Value, Measurements, Recurring | Level 2 | Aluminum | Midwest premium swap contracts |  |
Financial Assets: |  |
Derivative Asset | 0.0 | 0.0
Fair Value, Measurements, Recurring | Level 2 | Natural Gas | Fixed priced contracts | Purchase |  |
Financial Assets: |  |
Derivative Asset | 0.1 |
Financial Liabilities: |  |
Derivative Liability |  | (6.7)
Fair Value, Measurements, Recurring | Level 3 |  |
Financial Assets: |  |
Cash and cash equivalents | 0.0 | 0.0
Deferred compensation plan assets | 0.0 | 0.0
Total Assets | 0.5 | 0.9
Financial Liabilities: |  |
Total Liabilities | (0.3) | (0.3)
Fair Value, Measurements, Recurring | Level 3 | Senior Notes |  |
Financial Liabilities: |  |
Senior Notes | 0.0 | 0.0
Fair Value, Measurements, Recurring | Level 3 | Debt securities |  |
Financial Assets: |  |
Short-term investments | 0.0 | 0.0
Fair Value, Measurements, Recurring | Level 3 | Aluminum | Option on Securities [Member] | Purchase |  |
Financial Assets: |  |
Derivative Asset | 0.0 | 0.0
Fair Value, Measurements, Recurring | Level 3 | Aluminum | Fixed priced contracts | Purchase |  |
Financial Assets: |  |
Derivative Asset | 0.0 | 0.0
Financial Liabilities: |  |
Derivative Liability |  | 0.0
Fair Value, Measurements, Recurring | Level 3 | Aluminum | Fixed priced contracts | Sales |  |
Financial Assets: |  |
Derivative Asset |  | 0.0
Financial Liabilities: |  |
Derivative Liability |  | 0.0
Fair Value, Measurements, Recurring | Level 3 | Natural Gas | Fixed priced contracts | Purchase |  |
Financial Assets: |  |
Derivative Asset | 0.0 |
Financial Liabilities: |  |
Derivative Liability |  | 0.0
Not Designated as Hedging Instrument | Fair Value, Measurements, Recurring | Aluminum | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | (5.6) |
Not Designated as Hedging Instrument | Fair Value, Measurements, Recurring | Aluminum | Midwest premium swap contracts |  |
Financial Liabilities: |  |
Derivative Liability | (0.3) |
Not Designated as Hedging Instrument | Fair Value, Measurements, Recurring | Natural Gas | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | (6.1) |
Not Designated as Hedging Instrument | Fair Value, Measurements, Recurring | Level 1 | Aluminum | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | 0.0 |
Not Designated as Hedging Instrument | Fair Value, Measurements, Recurring | Level 1 | Aluminum | Midwest premium swap contracts |  |
Financial Liabilities: |  |
Derivative Liability | 0.0 |
Not Designated as Hedging Instrument | Fair Value, Measurements, Recurring | Level 1 | Natural Gas | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | 0.0 |
Not Designated as Hedging Instrument | Fair Value, Measurements, Recurring | Level 2 | Aluminum | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | (5.6) |
Not Designated as Hedging Instrument | Fair Value, Measurements, Recurring | Level 2 | Aluminum | Midwest premium swap contracts |  |
Financial Liabilities: |  |
Derivative Liability | 0.0 |
Not Designated as Hedging Instrument | Fair Value, Measurements, Recurring | Level 2 | Natural Gas | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | (6.1) |
Not Designated as Hedging Instrument | Fair Value, Measurements, Recurring | Level 3 | Aluminum | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | 0.0 |
Not Designated as Hedging Instrument | Fair Value, Measurements, Recurring | Level 3 | Natural Gas | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability | 0.0 |
Designated as Hedging Instrument [Member] | Fair Value, Measurements, Recurring | Foreign Currency Member | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability |  | (0.2)
Designated as Hedging Instrument [Member] | Fair Value, Measurements, Recurring | Level 1 | Foreign Currency Member | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability |  | 0.0
Designated as Hedging Instrument [Member] | Fair Value, Measurements, Recurring | Level 2 | Foreign Currency Member | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability |  | (0.2)
Designated as Hedging Instrument [Member] | Fair Value, Measurements, Recurring | Level 3 | Foreign Currency Member | Fixed priced contracts | Purchase |  |
Financial Liabilities: |  |
Derivative Liability |  | 0.0
Income Approach Valuation Technique | Fair Value, Measurements, Recurring | Aluminum | Midwest premium swap contracts |  |
Financial Liabilities: |  |
Derivative Liability |  | (0.3)
Income Approach Valuation Technique | Fair Value, Measurements, Recurring | Level 1 | Aluminum | Midwest premium swap contracts |  |
Financial Liabilities: |  |
Derivative Liability |  | 0.0
Income Approach Valuation Technique | Fair Value, Measurements, Recurring | Level 2 | Aluminum | Midwest premium swap contracts |  |
Financial Liabilities: |  |
Derivative Liability |  | 0.0
Income Approach Valuation Technique | Fair Value, Measurements, Recurring | Level 3 | Aluminum | Midwest premium swap contracts |  |
Financial Assets: |  |
Derivative Asset | 0.5 | 0.9
Financial Liabilities: |  |
Derivative Liability | $ (0.3) | $ (0.3)

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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26610-111562 + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13495-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226008-175313 + Details
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