ROYALTY AND STREAM INTERESTS, NET (Details) (USD $) | Sep. 30, 2013 | Jun. 30, 2013 |
In Thousands, unless otherwise specified |
Royalty and stream interests | ' | ' |
Cost | $2,519,735 | $2,471,707 |
Accumulated Depletion | -373,806 | -351,439 |
Net | 2,145,929 | 2,120,268 |
Production stage royalty interests | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 1,108,833 | 1,108,833 |
Accumulated Depletion | -373,806 | -351,439 |
Net | 735,027 | 757,394 |
Production stage royalty interests | Andacollo | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 272,998 | 272,998 |
Accumulated Depletion | -48,479 | -44,317 |
Net | 224,519 | 228,681 |
Production stage royalty interests | Voisey's Bay | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 150,138 | 150,138 |
Accumulated Depletion | -56,285 | -51,881 |
Net | 93,853 | 98,257 |
Production stage royalty interests | Penasquito | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 99,172 | 99,172 |
Accumulated Depletion | -13,372 | -12,393 |
Net | 85,800 | 86,779 |
Production stage royalty interests | Las Cruces | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 57,230 | 57,230 |
Accumulated Depletion | -13,065 | -11,713 |
Net | 44,165 | 45,517 |
Production stage royalty interests | Mulatos | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 48,092 | 48,092 |
Accumulated Depletion | -25,658 | -24,545 |
Net | 22,434 | 23,547 |
Production stage royalty interests | Wolverine | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 45,158 | 45,158 |
Accumulated Depletion | -9,079 | -7,891 |
Net | 36,079 | 37,267 |
Production stage royalty interests | Dolores | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 44,878 | 44,878 |
Accumulated Depletion | -8,883 | -8,186 |
Net | 35,995 | 36,692 |
Production stage royalty interests | Canadian Malartic | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 38,800 | 38,800 |
Accumulated Depletion | -7,190 | -6,320 |
Net | 31,610 | 32,480 |
Production stage royalty interests | Holt | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 34,612 | 34,612 |
Accumulated Depletion | -7,681 | -6,564 |
Net | 26,931 | 28,048 |
Production stage royalty interests | Gwalia Deeps | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 31,070 | 31,070 |
Accumulated Depletion | -7,967 | -7,194 |
Net | 23,103 | 23,876 |
Production stage royalty interests | Inata | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 24,871 | 24,871 |
Accumulated Depletion | -10,036 | -9,303 |
Net | 14,835 | 15,568 |
Production stage royalty interests | Ruby Hill | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 24,335 | 24,335 |
Accumulated Depletion | -5,826 | -3,054 |
Net | 18,509 | 21,281 |
Production stage royalty interests | Leeville | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 18,322 | 18,322 |
Accumulated Depletion | -15,586 | -15,484 |
Net | 2,736 | 2,838 |
Production stage royalty interests | Robinson | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 17,825 | 17,825 |
Accumulated Depletion | -11,403 | -11,224 |
Net | 6,422 | 6,601 |
Production stage royalty interests | Cortez | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 10,630 | 10,630 |
Accumulated Depletion | -9,718 | -9,716 |
Net | 912 | 914 |
Production stage royalty interests | Other | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 190,702 | 190,702 |
Accumulated Depletion | -123,578 | -121,654 |
Net | 67,124 | 69,048 |
Development stage royalty interests | Pascua-Lama | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 372,105 | 372,105 |
Net | 372,105 | 372,105 |
Development stage royalty interests | El Morro | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 35,074 | ' |
Net | 35,074 | ' |
Development stage royalty interests | Other | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 32,935 | 32,934 |
Net | 32,935 | 32,934 |
Development stage stream interests | Mt. Milligan | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 783,046 | 770,093 |
Net | 783,046 | 770,093 |
Development stage stream interests | Other | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 10,418 | 10,418 |
Net | 10,418 | 10,418 |
Development stage royalty and stream interests | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 1,233,578 | 1,185,550 |
Net | 1,233,578 | 1,185,550 |
Exploration stage royalty interests | ' | ' |
Royalty and stream interests | ' | ' |
Cost | 177,324 | 177,324 |
Net | $177,324 | $177,324 |