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RECLAMATION DEPOSITS (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
 9 Months Ended
Apr. 30, 2015
Reclamation Deposits 1 $ 5.6uec_ReclamationDepositsZeroTwoEightSixSixZeroKZeroCvXFivegyJnFourC
Reclamation Deposits 2 2.00%uec_ReclamationDepositsZeroTwoEightSixSixZeroHzLyGOnetFiveThreevqf
Reclamation Deposits 3 3.9uec_ReclamationDepositsZeroTwoEightSixSixZeroNineNineWMmEightTNZeroFiveTT
Reclamation Deposits 4 1.7uec_ReclamationDepositsZeroTwoEightSixSixZeroyHWZmryrcvhW
Reclamation Deposits 5 30.00%uec_ReclamationDepositsZeroTwoEightSixSixZeroqfThreePcsDxNineqJOne
Reclamation Deposits 6 1.1uec_ReclamationDepositsZeroTwoEightSixSixZeroSixLQQTNTGkBxl
Reclamation Deposits 7 $ 0.6uec_ReclamationDepositsZeroTwoEightSixSixZeroSEightwHCZSevenTwowSgV