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Fair Value Measurements (Tables) | 12 Months Ended
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Dec. 31, 2013
Fair Value Disclosures [Abstract] |
Schedule of assets and liabilities measured at fair value on a recurring basis | The following table sets forth the assets and liabilities measured at fair value on a recurring basis, by input level, as of December 31, 2013 and 2012:
| December 31, 2013
| Level 1 |  | Level 2 |  | Level 3 |  | Total
| (in millions)
Location and Description |  |  |  |  |  |  |
Cash equivalents | $ | 81.0 |  |  | $ | — |  |  | $ | — |  |  | $ | 81.0 |
Other current assets (other derivative agreements) | — |  |  | 0.9 |  |  | — |  |  | 0.9 |
Other long-term assets (other derivative agreements) | — |  |  | 0.1 |  |  | — |  |  | 0.1 |
Total Assets | $ | 81.0 |  |  | $ | 1.0 |  |  | $ | — |  |  | $ | 82.0 |
Other current liabilities (other derivative agreements) | — |  |  | (15.3 | ) |  | — |  |  | (15.3 | )
Other current liabilities (interest rate swap) | — |  |  | (0.9 | ) |  | — |  |  | (0.9 | )
Other current liabilities (biofuel blending obligations) | — |  |  | (16.2 | ) |  | — |  |  | (16.2 | )
Other long-term liabilities (other derivative agreements) | — |  |  | (1.8 | ) |  | — |  |  | (1.8 | )
Other long-term liabilities (interest rate swap) | — |  |  | (1.0 | ) |  | — |  |  | (1.0 | )
Total Liabilities | $ | — |  |  | $ | (35.2 | ) |  | $ | — |  |  | $ | (35.2 | )
| December 31, 2012
| Level 1 |  | Level 2 |  | Level 3 |  | Total
| (in millions)
Location and Description |  |  |  |  |  |  |
Cash equivalents | $ | 134.0 |  |  | $ | — |  |  | $ | — |  |  | $ | 134.0 |
Other long-term assets (other derivative agreements) | — |  |  | 0.9 |  |  | — |  |  | 0.9 |
Total Assets | $ | 134.0 |  |  | $ | 0.9 |  |  | $ | — |  |  | $ | 134.9 |
Other current liabilities (other derivative agreements) | — |  |  | (67.7 | ) |  | — |  |  | (67.7 | )
Other current liabilities (interest rate swap) | — |  |  | (0.9 | ) |  | — |  |  | (0.9 | )
Other current liabilities (biofuel blending obligations) | — |  |  | (1.1 | ) |  | — |  |  | (1.1 | )
Other long-term liabilities (interest rate swap) | — |  |  | (1.9 | ) |  | — |  |  | (1.9 | )
Total Liabilities | $ | — |  |  | $ | (71.6 | ) |  | $ | — |  |  | $ | (71.6 | )

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19190-110258 + Details
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