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GOODWILL AND OTHER INTANGIBLE ASSETS AND LIABILITIES (Tables) | 3 Months Ended
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Mar. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule Of Goodwill | The following table summarizes changes in the carrying amount of goodwill allocated by operating segment for the three months ended March 31, 2015 and the year ended December 31, 2014:
| (In Millions)
| March 31, 2015 |  | December 31, 2014
| U.S. Iron Ore |  | Asia Pacific Iron Ore |  | Total |  | U.S. Iron Ore |  | Asia Pacific Iron Ore |  | Total
Beginning Balance | $ | 2.0 |  |  | $ | — |  |  | $ | 2.0 |  |  | $ | 2.0 |  |  | $ | 72.5 |  |  | $ | 74.5 |
Arising in business combinations | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Impairment | — |  |  | — |  |  | — |  |  | — |  |  | (73.5 | ) |  | (73.5 | )
Impact of foreign currency translation | — |  |  | — |  |  | — |  |  | — |  |  | 1.0 |  |  | 1.0 |
Ending Balance | $ | 2.0 |  |  | $ | — |  |  | $ | 2.0 |  |  | $ | 2.0 |  |  | $ | — |  |  | $ | 2.0 |
Accumulated goodwill impairment loss | $ | — |  |  | $ | (73.5 | ) |  | $ | (73.5 | ) |  | $ | — |  |  | $ | (73.5 | ) |  | $ | (73.5 | )
Schedule Of Finite-Lived Intangible Assets By Major Class | The following table is a summary of intangible assets and liabilities as of March 31, 2015 and December 31, 2014:
|  |  | (In Millions)
|  |  | March 31, 2015 |  | December 31, 2014
| Classification |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Definite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |
Permits | Other non-current assets |  | $ | 78.7 |  |  | $ | (17.5 | ) |  | $ | 61.2 |  |  | $ | 79.2 |  |  | $ | (16.5 | ) |  | $ | 62.7 |
Total intangible assets |  |  | $ | 78.7 |  |  | $ | (17.5 | ) |  | $ | 61.2 |  |  | $ | 79.2 |  |  | $ | (16.5 | ) |  | $ | 62.7 |
Below-market sales contracts | Other current liabilities |  | $ | (23.0 | ) |  | $ | — |  |  | $ | (23.0 | ) |  | $ | (23.0 | ) |  | $ | — |  |  | $ | (23.0 | )
Below-market sales contracts | Other liabilities |  | (205.9 | ) |  | 182.8 |  |  | (23.1 | ) |  | (205.9 | ) |  | 182.8 |  |  | (23.1 | )
Total below-market sales contracts |  |  | $ | (228.9 | ) |  | $ | 182.8 |  |  | $ | (46.1 | ) |  | $ | (228.9 | ) |  | $ | 182.8 |  |  | $ | (46.1 | )
Estimated Amortization Expense Relating To Intangible Assets | The estimated amortization expense relating to intangible assets for the remainder of this year and each of the five succeeding years is as follows:
| (In Millions)
| Amount
Year Ending December 31, |
2015 (remaining nine months) | $ | 3.0 |
2016 | 4.0 |
2017 | 4.0 |
2018 | 4.2 |
2019 | 3.1 |
2020 | 2.5 |
Total | $ | 20.8 |
Schedule Of Earnings To Be Recognized On Below-Market Sales Contract | The following amounts are estimated to be recognized in Product revenues for the remainder of this year and the succeeding fiscal year:
| (In Millions)
| Amount
Year Ending December 31, |
2015 (remaining nine months) | $ | 23.0 |
2016 | 23.1 |
Total | $ | 46.1 |

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