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RELATED PARTIES (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
9 Months Ended | |||||
|---|---|---|---|---|---|---|
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Sep. 30, 2013
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Dec. 31, 2012
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Sep. 30, 2013
U.S. Iron Ore [Member]
Facility
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Sep. 30, 2013
Eastern Canadian Iron Ore [Member]
Facility
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Sep. 30, 2013
Joint Venture Partners [Member]
U.S. Iron Ore [Member]
Facility
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Sep. 30, 2013
Joint Venture Partners [Member]
Eastern Canadian Iron Ore [Member]
Facility
|
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| Segment Reporting Information [Line Items] | ||||||
| Due from Related Parties, Current | $ 124.2 | $ 149.8 | ||||
| Number of mines (in number of facilities) | 5 | 2 | 3 | 1 | ||
| Due to Related Parties, Current | $ 38.5 | $ 20.2 | ||||
| X | ||||||||||
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- Definition
Number of mines No definition available.
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| X | ||||||||||
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- Definition
The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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