Quarterly report pursuant to Section 13 or 15(d)

COMMITMENTS AND CONTINGENCIES (Details)

v2.4.0.8
COMMITMENTS AND CONTINGENCIES (Details) (USD $)
9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Other Commitments [Line Items]    
Capital investment, future payments $ (117,100,000) $ 125,100,000
Bloom Lake [Member]
   
Other Commitments [Line Items]    
Capital investment committed 1,300,000,000  
Capital expenditures related to commitment 1,200,000,000  
Capital investment, future payments $ 104,000,000