COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Feb. 28, 2015	Jun. 30, 2015
Ilovitza
Commitments and Contingencies
Remaining commitment amount		$ 167.5
Phoenix Gold
Commitments and Contingencies
Installment paid	$ 12.8
Remaining commitment amount		$ 0.0
Voisey's Bay | Canadian Minerals Partnership
Commitments and Contingencies
Percentage of ownership interest held in Labrador Nickel Royalty Limited Partnership ("LNRLP")		89.99%
Voisey's Bay | Altius
Commitments and Contingencies
Percentage of ownership interest held in Labrador Nickel Royalty Limited Partnership ("LNRLP")		10.00%
Voisey's Bay | Voiseys Bay Holding Corporation
Commitments and Contingencies
Percentage of ownership interest held in Labrador Nickel Royalty Limited Partnership ("LNRLP")		0.01%