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Fair Value Measurements, Level 3 Fair Value Input Reconciliation Table (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Reconciliation of activity for financial instruments classified as Level 3: |  |  |
Fair value measurement at beginning of period | $ 0.6 | $ 1.0 | $ 1.1
Total realized/unrealized (loss) gain included in: |  |  |
Cost of goods sold, excluding depreciation and amortization and other items and Unrealized loss (gain) on derivative instruments | 3.9 | (4.4) |
Transactions involving Level 3 derivative contracts: |  |  |
Purchases | (4.0) | 2.8 |
Sales | 0.0 | 0.0 |
Issuances | 0.0 | 0.0 |
Settlements | 7.5 | (7.3) |
Transactions involving Level 3 derivatives - net | 3.5 | (4.5) |
Transfers in and (or) out of Level 3 valuation hierarchy | 0.0 | 0.0 |
Fair value measurement at end of period | 0.6 | 1.0 |
Total loss included in Unrealized loss (gain) on derivative instruments, attributable to the change in unrealized gain/loss relating to derivative contracts held at December 31: | $ (0.6) | $ (1.0) |

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- Definition Amount of gain (loss) recognized in the income statement of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19279-110258 + Details
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- Definition Amount of issuances of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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