Annual report pursuant to Section 13 and 15(d)

Business Summary And Significant Accounting Policies (Schedule Of Subsidiaries) (Details)

v2.4.0.6
Betfred
12 Months Ended
Dec. 31, 2011
Northshore [Member]
 
Related Party Transaction [Line Items]  
betfred gamesLocation Minnesota
Percent ownership interest 100.00%
Operation Iron Ore
United Taconite [Member]
 
Related Party Transaction [Line Items]  
betfred gamesLocation Minnesota
Percent ownership interest 100.00%
Operation Iron Ore
Wabush [Member]
 
Related Party Transaction [Line Items]  
betfred gamesLocation Labrador/ Quebec, Canada
Percent ownership interest 100.00%
Operation Iron Ore
Bloom Lake [Member]
 
Related Party Transaction [Line Items]  
betfred gamesLocation Quebec, Canada
Percent ownership interest 75.00%
Operation Iron Ore
Tilden [Member]
 
Related Party Transaction [Line Items]  
betfred gamesLocation Michigan
Percent ownership interest 85.00%
Operation Iron Ore
Empire [Member]
 
Related Party Transaction [Line Items]  
betfred gamesLocation Michigan
Percent ownership interest 79.00%
Operation Iron Ore
Asia Pacific Iron Ore [Member]
 
Related Party Transaction [Line Items]  
betfred gamesLocation Western Australia
Percent ownership interest 100.00%
Operation Iron Ore
Pinnacle [Member]
 
Related Party Transaction [Line Items]  
betfred gamesLocation West Virginia
Percent ownership interest 100.00%
Operation Coal
Oak Grove [Member]
 
Related Party Transaction [Line Items]  
betfred gamesLocation Alabama
Percent ownership interest 100.00%
Operation Coal
CLCC [Member]
 
Related Party Transaction [Line Items]  
betfred gamesLocation West Virginia
Percent ownership interest 100.00%
Operation Coal
Freewest [Member]
 
Related Party Transaction [Line Items]  
betfred gamesLocation Ontario, Canada
Percent ownership interest 100.00%
Operation Chromite
Spider [Member]
 
Related Party Transaction [Line Items]  
betfred gamesLocation Ontario, Canada
Percent ownership interest 100.00%
Operation Chromite