Annual report pursuant to Section 13 and 15(d)

Related Parties (Tables)

v2.4.0.6
Related Parties (Tables)
12 Months Ended
Dec. 31, 2011
Related Parties [Abstract]  
Summary Of Other Ownership Interests

Mine

   Cliffs Natural
Resources
     ArcelorMittal      U. S. Steel
Canada
     WISCO  

Empire

     79.0         21.0         —           —     

Tilden

     85.0         —           15.0         —     

Hibbing

     23.0         62.3         14.7         —     

Bloom Lake

     75.0         —           —           25.0   
Related Party Transactions Table Disclosure
     (In Millions)  
      2011     2010     2009  

Product revenues to related parties

   $ 2,192.4      $ 1,165.5      $ 593.8   

Total product revenues

     6,551.7        4,416.8        2,216.2   

Related party product revenue as a percent of total product revenue

     33.5     26.4     26.8