XML 55 R41.htm IDEA: XBRL DOCUMENT
v3.19.2

REVENUE (Details) | 12 Months Ended
--- | ---
Jun. 30, 2019
Minimum |
Average sale price determination period | 10 days
Maximum |
Average sale price determination period | 3 months

X
- Definition Represents the period of consecutive trading days under the spot rate forward contract in which the sale price is determined on the daily average spot price. + References No definition available. + Details
Name: | rgld_SpotRateForwardContractsAverageSalePriceDeterminationPeriod
Namespace Prefix: | rgld_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |