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COMMITMENTS AND CONTINGENCIES (Details) (USD $)
In Millions, unless otherwise specified
1 Months Ended 3 Months Ended
Oct. 31, 2009
Mar. 31, 2012
Canadian Minerals Partnership
Mar. 31, 2012
Altius
Mar. 31, 2012
Voisey's Bay Holding Corporation
Percentage of ownership interest        
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