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COMMITMENTS AND CONTINGENCIES (Details) (USD $)
In Millions, unless otherwise specified
1 Months Ended 3 Months Ended
Oct. 31, 2009
Sep. 30, 2012
Canadian Minerals Partnership
Sep. 30, 2012
Altius
Sep. 30, 2012
Voisey's Bay Holding Corporation
Sep. 30, 2012
Tulsequah
Percentage of ownership interest          
Remaining commitment amount         $ 50
Percentage of ownership interest held in Labrador Nickel Royalty Limited Partnership ("LNRLP")   89.99% 10.00% 0.01%  
Commitments and Contingencies          
Minimum damage amount claimed by Labrador Nickel Royalty Limited Partnership ("LNRLP") $ 29