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ACQUISITIONS (Details) $ / shares in Units, shares in Millions, km in Millions |  |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 19, 2016 USD ($) | Dec. 30, 2015 USD ($) | Sep. 29, 2015 USD ($) oz | Jul. 28, 2015 USD ($) oz $ / shares shares | Jul. 20, 2015 USD ($) oz | Jul. 09, 2015 USD ($) km oz | Jan. 08, 2015 USD ($) | Sep. 30, 2014 USD ($) | Nov. 30, 2016 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($)
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Carrying value |  |  |  |  |  |  |  |  |  | $ 3,624,495,000 | $ 3,551,575,000
Funds received for royalty termination |  |  |  |  |  |  |  |  |  |  | 345,000,000
Peak Gold |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Consideration paid |  |  |  |  |  |  |  | $ 6,000,000 |  |  |
Payments to acquire interest in joint venture |  |  |  |  |  |  | $ 5,000,000 |  |  | $ 18,000,000 | $ 5,700,000
Joint venture ownership interest (as a percent) |  |  |  |  |  |  |  |  |  | 29.50% | 11.00%
Maximum ownership interest (as a percent) |  |  |  |  |  |  | 40.00% |  |  |  |
Maximum contribution amount |  |  |  |  |  |  | $ 30,000,000 |  |  |  |
Minimum interest required to manage (as a percent) |  |  |  |  |  |  | 40.00% |  |  |  |
Joint venture net value |  |  |  |  |  |  |  |  |  | $ 45,700,000 |
NSR Royalty Option 1 | Peak Gold |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Net Smelter Return (“NSR”) (as a percent) |  |  |  |  |  |  |  | 2.00% |  |  |
NSR Royalty Option 2 | Peak Gold |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Net Smelter Return (“NSR”) (as a percent) |  |  |  |  |  |  |  | 3.00% |  |  |
Contango | Peak Gold |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Joint venture ownership interest (as a percent) |  |  |  |  |  |  | 100.00% |  |  |  |
Cortez |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
NVR (as a percent) | 3.75% |  |  |  |  |  |  |  |  |  |
Consideration paid | $ 70,000,000 |  |  |  |  |  |  |  |  |  |
Cortez Crossroad Claim |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
NVR (as a percent) | 4.52% |  |  |  |  |  |  |  |  |  |
GSR royalty (as a percent) | 5.00% |  |  |  |  |  |  |  |  |  |
Consideration paid | $ 59,800,000 |  |  |  |  |  |  |  |  |  |
Cortez, excluding the Crossroad Claims |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
NVR (as a percent) | 4.91% |  |  |  |  |  |  |  |  |  |
GSR royalty (as a percent) | 5.71% |  |  |  |  |  |  |  |  |  |
Consideration paid | $ 10,200,000 |  |  |  |  |  |  |  |  |  |
Pueblo Viejo |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Consideration paid |  |  | $ 610,000,000 |  |  |  |  |  |  |  |
Purchase price per ounce of silver (as a percent) |  |  | 60.00% |  |  |  |  |  |  |  |
Pueblo Viejo | Initial Royalty |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Royalty interests acquired (as a percent) |  |  | 7.50% |  |  |  |  |  |  |  |
Gold delivered (in ounces) | oz |  |  | 990,000 |  |  |  |  |  |  |  |
Silver royalty interests acquired (as a percent) |  |  | 75.00% |  |  |  |  |  |  |  |
Minimum silver recovery (as a percent) |  |  | 70.00% |  |  |  |  |  |  |  |
Silver delivered (in ounces) | oz |  |  | 50,000,000 |  |  |  |  |  |  |  |
Pueblo Viejo | Subsequent Royalty |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Royalty interests acquired (as a percent) |  |  | 3.75% |  |  |  |  |  |  |  |
Silver royalty interests acquired (as a percent) |  |  | 37.50% |  |  |  |  |  |  |  |
Pueblo Viejo | First Condition |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Gold delivered (in ounces) | oz |  |  | 550,000 |  |  |  |  |  |  |  |
Silver delivered (in ounces) | oz |  |  | 23,100,000 |  |  |  |  |  |  |  |
Purchase price per ounce of silver (as a percent) |  |  | 30.00% |  |  |  |  |  |  |  |
Pueblo Viejo | Second Condition |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Purchase price per ounce of gold (as a percent) |  |  | 60.00% |  |  |  |  |  |  |  |
Pueblo Viejo | Barrick |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Ownership interest (as a percent) |  |  | 60.00% |  |  |  |  |  |  |  |
Wassa and Prestea |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Consideration paid |  | $ 15,000,000 |  | $ 130,000,000 |  |  |  |  |  |  |
Carrying value |  | $ 145,000,000 |  |  |  |  |  |  |  |  |
Cash paid for acquisition of royalty interests |  |  |  |  |  |  |  |  |  | 55,000,000 | $ 95,000,000
Remaining consideration payable |  |  |  |  |  |  |  |  |  | 0 |
Wassa and Prestea | Initial Royalty |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Royalty interests acquired (as a percent) |  |  |  | 9.25% |  |  |  |  |  |  |
Gold delivered (in ounces) | oz |  |  |  | 240,000 |  |  |  |  |  |  |
Wassa and Prestea | Subsequent Royalty |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Royalty interests acquired (as a percent) |  |  |  | 10.50% |  |  |  |  |  |  |
Wassa and Prestea | First Condition |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Purchase price per ounce of gold (as a percent) |  |  |  | 20.00% |  |  |  |  |  |  |
Wassa and Prestea | Second Condition |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Purchase price per ounce of gold (as a percent) |  |  |  | 30.00% |  |  |  |  |  |  |
Wassa and Prestea | Subsequent Two Royalty |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Royalty interests acquired (as a percent) |  |  |  | 5.50% |  |  |  |  |  |  |
Rainy River |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Consideration paid |  |  |  |  | $ 175,000,000 |  |  |  |  |  |
Cash paid for acquisition of royalty interests |  |  |  |  | $ 100,000,000 |  |  |  | $ 75,000,000 |  |
Remaining consideration payable |  |  |  |  |  |  |  |  |  | 0 |
Rainy River | Initial Royalty |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Royalty interests acquired (as a percent) |  |  |  |  | 6.50% |  |  |  |  |  |
Gold delivered (in ounces) | oz |  |  |  |  | 230,000 |  |  |  |  |  |
Silver royalty interests acquired (as a percent) |  |  |  |  | 60.00% |  |  |  |  |  |
Silver delivered (in ounces) | oz |  |  |  |  | 3,100,000 |  |  |  |  |  |
Rainy River | Subsequent Royalty |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Royalty interests acquired (as a percent) |  |  |  |  | 3.25% |  |  |  |  |  |
Purchase price per ounce of gold (as a percent) |  |  |  |  | 25.00% |  |  |  |  |  |
Silver royalty interests acquired (as a percent) |  |  |  |  | 30.00% |  |  |  |  |  |
Carmen de Andacollo |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Consideration paid |  |  |  |  |  | $ 525,000,000 |  |  |  |  |
Royalty interests acquired (as a percent) |  |  |  |  |  | 89.00% |  |  |  |  |
Purchase price per ounce of gold (as a percent) |  |  |  |  |  | 15.00% |  |  |  |  |
Carrying value |  |  |  |  |  |  |  |  |  | $ 388,200,000 |
Area of mining to be eligible for concessions | km |  |  |  |  |  | 1.5 |  |  |  |  |
Carmen de Andacollo | Initial Royalty |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Royalty interests acquired (as a percent) |  |  |  |  |  | 100.00% |  |  |  |  |
Gold delivered (in ounces) | oz |  |  |  |  |  | 900,000 |  |  |  |  |
Carmen de Andacollo | Subsequent Royalty |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Royalty interests acquired (as a percent) |  |  |  |  |  | 50.00% |  |  |  |  |
Carmen de Andacollo | Teck |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Ownership interest (as a percent) |  |  |  |  |  | 90.00% |  |  |  |  |
Golden Star |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Gross loans |  |  |  | $ 20,000,000 |  |  |  |  |  |  |
Term of loan |  |  |  | 4 years |  |  |  |  |  |  |
Common stock that can be purchased by warrants (in shares) | shares |  |  |  | 5 |  |  |  |  |  |  |
Grant date fair value of warrants |  |  |  | $ 800,000 |  |  |  |  |  |  |
Quarterly interest rate based on average gold rate |  |  |  | 62.50% |  |  |  |  |  |  |
Denominator used in calculation of quarterly interest rate |  |  |  | $ 10,000 |  |  |  |  |  |  |
Term of warrants |  |  |  | 4 years |  |  |  |  |  |  |
Exercise price of warrants | $ / shares |  |  |  | $ 0.27 |  |  |  |  |  |  |
Golden Star | Maximum |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  | $ 11.5 |  |  |  |  |  |  |
Termination Agreement | Carmen de Andacollo |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Carrying value |  |  |  |  |  | $ 207,500,000 |  |  |  |  |
Funds received for royalty termination |  |  |  |  |  | 345,000,000 |  |  |  |  |
Gain on contract termination |  |  |  |  |  | $ 0 |  |  |  |  |
Termination Agreement | Carmen de Andacollo | Initial Royalty |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Royalty interests acquired (as a percent) |  |  |  |  |  | 75.00% |  |  |  |  |
Gold delivered (in ounces) | oz |  |  |  |  |  | 910,000 |  |  |  |  |
Termination Agreement | Carmen de Andacollo | Subsequent Royalty |  |  |  |  |  |  |  |  |  |  |
Acquisition of Royalty Interest in Mineral Properties |  |  |  |  |  |  |  |  |  |  |
Royalty interests acquired (as a percent) |  |  |  |  |  | 50.00% |  |  |  |  |

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- Definition Represents the minimum membership interest percentage to have in order to be the manager of the joint venture. + References No definition available. + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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