Document and Entity Information	9 Months Ended
	Mar. 31, 2012	Apr. 25, 2012
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, 2012
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		58,835,885
Entity Exchangeable, Shares Outstanding		813,826
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3