Annual report pursuant to Section 13 and 15(d)

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Investments In Unconsolidated Ventures) (Details)

Betfred-casino review_Basis - North American v3.3.1.900
betfred reviews
12 Months Ended
Dec. 31, 2015
USD ($)
Facility
Dec. 31, 2014
USD ($)
Dec. 31, 2013
Schedule of Equity Method Investments [Line Items]      
Investment $ (2.4) $ 4.1  
Asia Pacific Iron Ore [Member]      
Schedule of Equity Method Investments [Line Items]      
Number Of Mines | Facility 1    
Investments in Ventures [Member] | Amapa [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership interest, equity method investment     30.00%
Investments in Ventures [Member] | Hibbing [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership interest, equity method investment [1] 23.00%    
Other Noncurrent Liabilities [Member] | Hibbing [Member]      
Schedule of Equity Method Investments [Line Items]      
Investment $ (2.4)    
Other Noncurrent Assets [Member] | Hibbing [Member]      
Schedule of Equity Method Investments [Line Items]      
Investment   3.1  
Other Noncurrent Assets [Member] | Other Equity Investees [Member]      
Schedule of Equity Method Investments [Line Items]      
Investment $ 0.0 [2] $ 1.0  
[1] At December 31, 2014, the classification for Hibbing was Other non-current assets.
[2] At December 31, 2015, no Other equity method investments remain.