| RELATED PARTIES (Tables) | 3 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Mar. 31, 2015 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Related Party Transactions [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Summary Of Other Ownership Interests | 
The following is a summary of the mine ownership of these iron ore mines at March 31, 2015:
 
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| Summary Of Related Party Transactions Table Disclosure | 
Product revenues from related parties were as follows:
 
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- Details 
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- Definition Tabular disclosure of other units or shares or classes of ownership in a partnership. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. No definition available. 
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