ROYALTY AND STREAM INTERESTS (Details) (USD $) | Sep. 30, 2014 | Jun. 30, 2014 |
In Thousands, unless otherwise specified |
Royalty and stream interests | ' | ' |
Cost | $2,555,786 | $2,551,727 |
Accumulated Depletion | -464,463 | -442,660 |
Net | 2,091,323 | 2,109,067 |
Production Stage Royalty Interest | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 1,123,156 | 1,121,776 |
Accumulated Depletion | -451,036 | -434,919 |
Net | 672,120 | 686,857 |
Production Stage Royalty Interest | Andacollo | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 272,998 | 272,998 |
Accumulated Depletion | -58,569 | -56,147 |
Net | 214,429 | 216,851 |
Production Stage Royalty Interest | Voiseys Bay | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 150,138 | 150,138 |
Accumulated Depletion | -70,012 | -67,377 |
Net | 80,126 | 82,761 |
Production Stage Royalty Interest | Penasquito | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 99,172 | 99,172 |
Accumulated Depletion | -19,377 | -17,801 |
Net | 79,795 | 81,371 |
Production Stage Royalty Interest | Mulatos | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 48,092 | 48,092 |
Accumulated Depletion | -29,305 | -28,548 |
Net | 18,787 | 19,544 |
Production Stage Royalty Interest | Holt | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 34,612 | 34,612 |
Accumulated Depletion | -11,344 | -10,474 |
Net | 23,268 | 24,138 |
Production Stage Royalty Interest | Robinson | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 17,825 | 17,825 |
Accumulated Depletion | -12,119 | -11,887 |
Net | 5,706 | 5,938 |
Production Stage Royalty Interest | Cortez | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 10,630 | 10,630 |
Accumulated Depletion | -9,805 | -9,772 |
Net | 825 | 858 |
Production Stage Royalty Interest | Other Mines | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 489,689 | 488,309 |
Accumulated Depletion | -240,505 | -232,913 |
Net | 249,184 | 255,396 |
Production Stage Stream Interests | Mt. Milligan | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 783,046 | 783,046 |
Accumulated Depletion | -13,427 | -7,741 |
Net | 769,619 | 775,305 |
Production Stage Royalty and Stream Interests | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 1,906,202 | 1,904,822 |
Accumulated Depletion | -464,463 | -442,660 |
Net | 1,441,739 | 1,462,162 |
Development Stage Royalty Interest | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 441,594 | 441,593 |
Net | 441,594 | 441,593 |
Development Stage Royalty Interest | Pascua Lama | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 372,105 | 372,105 |
Net | 372,105 | 372,105 |
Development Stage Royalty Interest | Other Mines | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 69,489 | 69,488 |
Net | 69,489 | 69,488 |
Development Stage Stream Interest | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 41,282 | ' |
Net | 41,282 | ' |
Development Stage Stream Interest | Phoenix Gold Project | ' | ' |
Royalty and stream interests | ' | ' |
Cost | ' | 30,620 |
Net | ' | 30,620 |
Development Stage Stream Interest | Other Mines | ' | ' |
Royalty and stream interests | ' | ' |
Cost | ' | 10,483 |
Net | ' | 10,483 |
Development Stage Royalty and Stream Interest | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 482,876 | 41,103 |
Net | 482,876 | 41,103 |
Exploration Stage Royalty Interest | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 166,708 | 164,209 |
Net | $166,708 | $164,209 |