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Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2017
Fair Value Disclosures [Abstract] |
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 September 30, 2017 and December 31, 2016:
| September 30, 2017
Location and Description | Level 1 |  | Level 2 |  | Level 3 |  | Total
| (in millions)
Cash equivalents | $ | 15.8 |  |  | $ | — |  |  | $ | — |  |  | $ | 15.8 |
Other current assets (investments) | 0.1 |  |  | — |  |  | — |  |  | 0.1 |
Other current assets (other derivative agreements) | — |  |  | 0.1 |  |  | — |  |  | 0.1 |
Total Assets | $ | 15.9 |  |  | $ | 0.1 |  |  | $ | — |  |  | $ | 16.0 |
Other current liabilities (other derivative agreements) | $ | — |  |  | $ | (17.2 | ) |  | $ | — |  |  | $ | (17.2 | )
Other current liabilities (biofuel blending obligation) | $ | — |  |  | $ | (127.0 | ) |  | $ | — |  |  | $ | (127.0 | )
Total Liabilities | $ | — |  |  | $ | (144.2 | ) |  | $ | — |  |  | $ | (144.2 | )
| December 31, 2016
Location and Description | Level 1 |  | Level 2 |  | Level 3 |  | Total
| (in millions)
Cash equivalents | $ | 15.8 |  |  | $ | — |  |  | $ | — |  |  | $ | 15.8 |
Other current assets (investments) | 0.1 |  |  | — |  |  | — |  |  | 0.1 |
Total Assets | $ | 15.9 |  |  | $ | — |  |  | $ | — |  |  | $ | 15.9 |
Other current liabilities (other derivative agreements) | $ | — |  |  | $ | (11.1 | ) |  | $ | — |  |  | $ | (11.1 | )
Other long-term liabilities (biofuel blending obligation & benzene obligation) | — |  |  | (187.0 | ) |  | — |  |  | (187.0 | )
Total Liabilities | $ | — |  |  | $ | (198.1 | ) |  | $ | — |  |  | $ | (198.1 | )

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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=66048111&loc=d3e19190-110258 + Details
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