RESTRUCTURING ON ROYALTY INTERESTS IN MINERAL PROPERTIES (Details) (USD $)
In Thousands, unless otherwise specified |
1 Months Ended | ||||
---|---|---|---|---|---|
Jun. 30, 2012
|
Jun. 30, 2011
|
Aug. 31, 2011
Relief Canyon
mile
|
Jun. 30, 2012
Relief Canyon
|
Sep. 30, 2011
Relief Canyon
|
|
Restructuring on royalty interests in mineral properties | |||||
Royalty rate before reduction pursuant to the Amended and Restated Net Smelter Return Royalty Agreement (as a percent) | 4.00% | ||||
Royalty rate pursuant to the Amended and Restated Net Smelter Return Royalty Agreement (as a percent) | 2.00% | ||||
Area of interest eliminated pursuant to the Amended and Restated Net Smelter Return Royalty Agreement (in miles) | 10 | ||||
Restructuring | $ 1,328 | $ 1,300 | |||
Carrying value for royalty interest | $ 1,890,988 | $ 1,690,439 | $ 1,200 |