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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Tables) | 12 Months Ended
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Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule Of Derivative Instruments In Statement Of Financial Position, Fair Value | The following table presents the fair value of our derivative instruments and the classification of each in the Statements of Consolidated Financial Position as of December 31, 2017 and 2016:
| (In Millions)
| Derivative Assets |  | Derivative Liabilities
| December 31, 2017 |  | December 31, 2016 |  | December 31, 2017 |  | December 31, 2016
Derivative Instrument | Balance Sheet Location |  | Fair Value |  | Balance Sheet Location |  | Fair Value |  | Balance Sheet Location |  | Fair Value |  | Balance Sheet Location |  | Fair Value
Derivatives designated as hedging instruments under ASC 815: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity Contracts |  |  | $ | — |  |  |  |  | $ | — |  |  | Other current liabilities |  | $ | 0.3 |  |  |  |  | $ | — |
Derivatives not designated as hedging instruments under ASC 815: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer Supply Agreements | Derivative assets |  | $ | 37.9 |  |  | Derivative assets |  | $ | 21.3 |  |  |  |  | $ | — |  |  |  |  | $ | — |
Provisional Pricing Arrangements | Derivative assets |  | 1.5 |  |  | Derivative assets |  | 10.3 |  |  | Other current liabilities |  | 2.4 |  |  | Other current liabilities |  | 0.5 |
Commodity Contracts |  |  | — |  |  | Derivative assets |  | 1.5 |  |  |  |  | — |  |  |  |  | — |
Total derivatives not designated as hedging instruments under ASC 815: |  |  | $ | 39.4 |  |  |  |  | $ | 33.1 |  |  |  |  | $ | 2.4 |  |  |  |  | $ | 0.5 |
Total derivatives |  |  | $ | 39.4 |  |  |  |  | $ | 33.1 |  |  |  |  | $ | 2.7 |  |  |  |  | $ | 0.5 |
Schedule Of Derivatives Not Designated As Hedging Instruments Statements Of Financial Performance Location Table | The following summarizes the effect of our derivatives that are not designated as hedging instruments in the Statements of Consolidated Operations for the years ended December 31, 2017, 2016 and 2015:
(In Millions)
Derivatives Not Designated as Hedging Instruments | Location of Gain (Loss) Recognized in Income on Derivative |
|  | Year Ended December 31,
|  | 2017 |  | 2016 |  | 2015
Customer Supply Agreements | Product revenues | $ | 163.3 |  |  | $ | 41.7 |  |  | $ | 27.1 |
Provisional Pricing Arrangements | Product revenues | (58.6 | ) |  | 49.0 |  |  | (1.4 | )
Foreign Exchange Contracts | Other non-operating income (expense) | — |  |  | — |  |  | (3.6 | )
Foreign Exchange Contracts | Product revenues | — |  |  | — |  |  | (12.6 | )
Commodity Contracts | Cost of goods sold and operating expenses | — |  |  | 1.9 |  |  | (4.0 | )
Total |  | $ | 104.7 |  |  | $ | 92.6 |  |  | $ | 5.5 |

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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959 + Details
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- Definition Tabular disclosure for other derivative instruments not designated as hedging instruments of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 + Details
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