A valuation allowance for royalty receivables due to the Company that are expected to be uncollectible.

No definition available.

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- Definition

Represents the number of properties.

+ References

No definition available.

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- Definition

Percentage of royalty interests acquired by the entity.

+ References

No definition available.

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- Definition

The total amount due to the entity within one year of the balance sheet date relating to royalty contracts.

+ References

No definition available.

+ Details

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.20)

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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-Topic 360

-SubTopic 10

-Section 45

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-URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228

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- Definition

The accumulated decrease in the carrying value of the mineral properties as a result of mine or mineral production.

+ References

No definition available.

+ Details

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- Definition

The accumulated decrease in the carrying value of the mineral properties as a result of adjustments in estimates of future income generating potential of the mineral property.

+ References

No definition available.

+ Details

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- Definition

Carrying amount at the balance sheet date of mineral properties, gross of adjustments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 360

-Section 25

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6474861&loc=d3e64895-109465

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-Topic 932

-SubTopic 235

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61797-109447

+ Details

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- Definition

Mineral properties, net of adjustments.

+ References

+ Details

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- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 8

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765

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ROYALTY AND STREAM INTERESTS (Details) (USD $)	3 Months Ended	6 Months Ended	3 Months Ended
ROYALTY AND STREAM INTERESTS (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Dec. 22, 2014
Royalty and stream interests
Cost	$ 2,580,582,000us-gaap_MineralPropertiesGross	$ 2,580,582,000us-gaap_MineralPropertiesGross		$ 2,551,727,000us-gaap_MineralPropertiesGross
Accumulated Depletion	(485,091,000)	(485,091,000)		(442,660,000)
Impairments	(28,339,000)	(28,339,000)
Net	2,067,152,000us-gaap_MineralPropertiesNet	2,067,152,000us-gaap_MineralPropertiesNet		2,109,067,000us-gaap_MineralPropertiesNet
Impairments	26,570,000us-gaap_AssetImpairmentCharges	28,339,000us-gaap_AssetImpairmentCharges
Royalty Receivables	37,314,000rgld_RoyaltyReceivables	37,314,000rgld_RoyaltyReceivables		46,654,000rgld_RoyaltyReceivables
Prepaid expenses and other	15,626,000	15,626,000		7,840,000
Other
Royalty and stream interests
Impairments	603,000	2,372,000
Wolverine
Royalty and stream interests
Net	5,300,000	5,300,000
Impairments	25,967,000	25,967,000
Royalty Receivables	3,000,000	3,000,000
Allowance for royalty receivables	3,000,000	3,000,000
Wolverine \| Minimum
Royalty and stream interests
Percentage of royalty interests acquired	0.00%	0.00%
Wolverine \| Maximum
Royalty and stream interests
Percentage of royalty interests acquired	9.445%	9.445%
Tulsequah
Royalty and stream interests
Net	0	0	10,600,000
Impairments	600,000
Prepaid expenses and other	10,000,000	10,000,000
Chieftain
Royalty and stream interests
Amount due for repayment of advance payment					10,000,000
Production Stage Royalty Interest
Royalty and stream interests
Cost	1,125,156,000	1,125,156,000		1,121,776,000
Accumulated Depletion	(466,351,000)	(466,351,000)		(434,919,000)
Impairments	(27,586,000)	(27,586,000)
Net	631,219,000	631,219,000		686,857,000
Production Stage Royalty Interest \| Andacollo
Royalty and stream interests
Cost	272,998,000	272,998,000		272,998,000
Accumulated Depletion	(60,892,000)	(60,892,000)		(56,147,000)
Impairments	0	0
Net	212,106,000	212,106,000		216,851,000
Production Stage Royalty Interest \| Voisey's Bay
Royalty and stream interests
Cost	150,138,000	150,138,000		150,138,000
Accumulated Depletion	(73,262,000)	(73,262,000)		(67,377,000)
Net	76,876,000	76,876,000		82,761,000
Production Stage Royalty Interest \| Penasquito
Royalty and stream interests
Cost	99,172,000	99,172,000		99,172,000
Accumulated Depletion	(20,716,000)	(20,716,000)		(17,801,000)
Net	78,456,000	78,456,000		81,371,000
Production Stage Royalty Interest \| Mulatos
Royalty and stream interests
Cost	48,092,000	48,092,000		48,092,000
Accumulated Depletion	(30,226,000)	(30,226,000)		(28,548,000)
Net	17,866,000	17,866,000		19,544,000
Production Stage Royalty Interest \| Holt
Royalty and stream interests
Cost	34,612,000	34,612,000		34,612,000
Accumulated Depletion	(12,184,000)	(12,184,000)		(10,474,000)
Net	22,428,000	22,428,000		24,138,000
Production Stage Royalty Interest \| Robinson
Royalty and stream interests
Cost	17,825,000	17,825,000		17,825,000
Accumulated Depletion	(12,291,000)	(12,291,000)		(11,887,000)
Net	5,534,000	5,534,000		5,938,000
Production Stage Royalty Interest \| Cortez
Royalty and stream interests
Cost	10,630,000	10,630,000		10,630,000
Accumulated Depletion	(9,844,000)	(9,844,000)		(9,772,000)
Net	786,000	786,000		858,000
Production Stage Royalty Interest \| Other
Royalty and stream interests
Cost	491,689,000	491,689,000		488,309,000
Accumulated Depletion	(246,936,000)	(246,936,000)		(232,913,000)
Impairments	(27,586,000)	(27,586,000)
Net	217,167,000	217,167,000		255,396,000
Production Stage Stream Interests \| Mt. Milligan
Royalty and stream interests
Cost	783,046,000	783,046,000		783,046,000
Accumulated Depletion	(18,740,000)	(18,740,000)		(7,741,000)
Impairments	0	0
Net	764,306,000	764,306,000		775,305,000
Production Stage Royalty and Stream Interests
Royalty and stream interests
Cost	1,908,202,000	1,908,202,000		1,904,822,000
Accumulated Depletion	(485,091,000)	(485,091,000)		(442,660,000)
Impairments	(27,586,000)	(27,586,000)
Net	1,395,525,000	1,395,525,000		1,462,162,000
Development Stage Royalty Interest
Royalty and stream interests
Cost	443,197,000	443,197,000		441,593,000
Net	443,197,000	443,197,000		441,593,000
Development Stage Royalty Interest \| Other
Royalty and stream interests
Cost	71,092,000	71,092,000		69,488,000
Net	71,092,000	71,092,000		69,488,000
Development Stage Royalty Interest \| Pascua Lama
Royalty and stream interests
Cost	372,105,000	372,105,000		372,105,000
Net	372,105,000	372,105,000		372,105,000
Development Stage Stream Interest
Royalty and stream interests
Cost	63,331,000	63,331,000		41,103,000
Impairments	(603,000)	(603,000)
Net	62,728,000	62,728,000		41,103,000
Development Stage Royalty and Stream Interest
Royalty and stream interests
Cost	506,528,000	506,528,000		482,696,000
Impairments	(603,000)	(603,000)
Net	505,925,000	505,925,000		482,696,000
Exploration Stage Royalty Interest
Royalty and stream interests
Cost	165,852,000	165,852,000		164,209,000
Impairments	(150,000)	(150,000)
Net	165,702,000	165,702,000		164,209,000
Production Stage and Exploration Stage Royalty Interest
Royalty and stream interests
Impairments			1,800,000
Impaired mining asset
Royalty and stream interests
Net			0
Impaired mining asset \| Production Stage Royalty Interest
Royalty and stream interests
Number of properties	1
Impaired mining asset \| Exploration Stage Royalty Interest
Royalty and stream interests
Number of properties	$ 1