Represents amount payable in the future based on certain project construction decisions.

No definition available.

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- Definition

Represents the percentage of gold interest.

+ References

No definition available.

+ Details

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- Definition

Threshold Volume of gold delivery for spot gold price paid.

+ References

No definition available.

+ Details

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- Definition

Represents percentage of net smelter return.

+ References

No definition available.

+ Details

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- Definition

Percentage of spot price paid.

+ References

No definition available.

+ Details

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- Definition

Represents the quantity of gold produced or delivered under the terms of the agreement.

+ References

No definition available.

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- Definition

Represents the area of interest surrounding the presently owned mine, as well as any other mining concessions presently owned or acquired.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
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-URI http://asc.fasb.org/extlink&oid=96866604&loc=d3e64895-109465

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Balance Type:	debit
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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

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- Definition

The cash outflow associated with the acquisition of a controlling interest in another entity or an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
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Name:	dei_LegalEntityAxis=rgld_NewcrestMiningMember
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Name:	dei_LegalEntityAxis=rgld_ImperialMetalsCorporationMember
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ACQUISITIONS AND DISPOSITIONS - Red Chris and NX (Details) $ in Thousands			3 Months Ended
	Aug. 11, 2021 USD ($) ha	Aug. 06, 2021 USD ($) oz	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)
Significant Acquisitions and Disposals [Line Items]
Payment to acquire interest			$ 265,000	$ 11,304
Carrying value			3,883,794		$ 3,618,802
Production stage royalty interests
Significant Acquisitions and Disposals [Line Items]
Carrying value			944,677		828,448
Exploration stage royalty interests
Significant Acquisitions and Disposals [Line Items]
Carrying value					343,214
Production stage stream interests
Significant Acquisitions and Disposals [Line Items]
Carrying value			2,389,852		$ 2,111,423
Red Chris
Significant Acquisitions and Disposals [Line Items]
Net smelter return (NSR) (as a percent)	1.00%
Area of mining to be eligible for concessions \| ha	5,100
Payment to acquire interest	$ 165,000
Carrying value			165,000
Red Chris \| Production stage royalty interests
Significant Acquisitions and Disposals [Line Items]
Carrying value			116,105
Red Chris \| Exploration stage royalty interests
Significant Acquisitions and Disposals [Line Items]
Carrying value			48,895
Red Chris \| Newcrest Mining \| Red Chris
Significant Acquisitions and Disposals [Line Items]
Joint venture ownership interest (as a percent)	70.00%
Red Chris \| Imperial Metals Corporation \| Red Chris
Significant Acquisitions and Disposals [Line Items]
Joint venture ownership interest (as a percent)	30.00%
NX
Significant Acquisitions and Disposals [Line Items]
Payment to acquire interest		$ 100,000
Carrying value			100,000
Gold delivered (in ounces) \| oz		93,000
Gold produced delivery for spot gold price threshold \| oz		49,000
Future payment based on project decisions		$ 10,000
NX \| Production stage stream interests
Significant Acquisitions and Disposals [Line Items]
Carrying value			54,900
NX \| Exploration stage stream interest
Significant Acquisitions and Disposals [Line Items]
Carrying value			$ 45,067
NX \| Initial Royalty
Significant Acquisitions and Disposals [Line Items]
Gold interest (as a percent)		25.00%
Spot price paid (as a percent)		20.00%
NX \| Subsequent Royalty
Significant Acquisitions and Disposals [Line Items]
Gold interest (as a percent)		10.00%
Spot price paid (as a percent)		40.00%