Consolidated Statements of Operations and Comprehensive Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Consolidated Statements of Operations and Comprehensive Income
Royalty revenues	$ 74,166	$ 69,638	$ 231,898	$ 202,944
Costs and expenses
General and administrative	7,163	4,431	18,953	15,786
Production taxes	2,422	2,593	7,098	7,690
Depreciation, depletion and amortization	21,649	19,721	64,269	58,360
Restructuring on royalty interests in mineral properties				1,328
Total costs and expenses	31,234	26,745	90,320	83,164
Operating income	42,932	42,893	141,578	119,780
Loss on available-for-sale securities	(12,121)		(12,121)
Interest and other income	129	476	268	3,798
Interest and other expense	(5,757)	(1,552)	(18,914)	(4,939)
Income before income taxes	25,183	41,817	110,811	118,639
Income tax expense	(18,286)	(14,864)	(51,062)	(41,297)
Net income	6,897	26,953	59,749	77,342
Net income attributable to non-controlling interests	(433)	(954)	(1,299)	(5,438)
Net income attributable to Royal Gold stockholders	6,464	25,999	58,450	71,904
Net income	6,897	26,953	59,749	77,342
Adjustments to comprehensive income, net of tax
Unrealized change in market value of available for sale securities	(71)	3,904	(67)	(8,357)
Realized loss on available-for-sale securities	10,246		13,716
Comprehensive income	17,072	30,857	73,398	68,985
Comprehensive income attributable to non-controlling interests	(433)	(954)	(1,299)	(5,438)
Comprehensive income attributable to Royal Gold stockholders	$ 16,639	$ 29,903	$ 72,099	$ 63,547
Net income per share available to Royal Gold common stockholders:
Basic earnings per share (in dollars per share)	$ 0.10	$ 0.44	$ 0.93	$ 1.27
Basic weighted average shares outstanding (in shares)	64,837,598	58,953,216	62,723,061	56,486,455
Diluted earnings per share (in dollars per share)	$ 0.10	$ 0.44	$ 0.93	$ 1.26
Diluted weighted average shares outstanding (in shares)	64,994,517	59,169,314	62,917,454	56,738,805
Cash dividends declared per common share (in dollars per share)	$ 0.20	$ 0.15	$ 0.55	$ 0.41