Document and Entity Information	9 Months Ended
	Mar. 31, 2015	Apr. 23, 2015
Document and Entity Information
Entity Registrant Name	ROYAL GOLD INC
Entity Central Index Key	0000085535
Document Type	10-Q
Document Period End Date	Mar. 31, 2015
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q3
Common Stock
Document and Entity Information
Entity Shares Outstanding		65,187,520
Exchangeable Stock
Document and Entity Information
Entity Shares Outstanding		4,482