Consolidated Statements of Operations and Comprehensive Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
Royalty revenues	$ 69,638	$ 55,546	$ 202,944	$ 157,199
Costs and expenses
General and administrative	4,431	5,230	15,786	15,849
Production taxes	2,593	2,601	7,690	6,290
Depreciation, depletion and amortization	19,721	15,838	58,360	50,768
Restructuring on royalty interests in mineral properties			1,328
Total costs and expenses	26,745	23,669	83,164	72,907
Operating income	42,893	31,877	119,780	84,292
Interest and other income	476	756	3,798	4,464
Interest and other expense	(1,552)	(1,986)	(4,939)	(6,088)
Income before income taxes	41,817	30,647	118,639	82,668
Income tax expense	(14,864)	(10,339)	(41,297)	(28,641)
Net income	26,953	20,308	77,342	54,027
Net income attributable to non-controlling interests	(954)	(743)	(5,438)	(4,320)
Net income attributable to Royal Gold stockholders	25,999	19,565	71,904	49,707
Net income	26,953	20,308	77,342	54,027
Adjustments to comprehensive income, net of tax
Unrealized change in market value of available for sale securities	3,904	(44)	(8,357)	107
Comprehensive income	30,857	20,264	68,985	54,134
Comprehensive income attributable to non-controlling interests	(954)	(743)	(5,438)	(4,320)
Comprehensive income attributable to Royal Gold stockholders	$ 29,903	$ 19,521	$ 63,547	$ 49,814
Net income per share available to Royal Gold common stockholders:
Basic earnings per share (in dollars per share)	$ 0.44	$ 0.36	$ 1.27	$ 0.90
Basic weighted average shares outstanding (in shares)	58,953,216	55,076,556	56,486,455	55,035,172
Diluted earnings per share (in dollars per share)	$ 0.44	$ 0.35	$ 1.26	$ 0.90
Diluted weighted average shares outstanding (in shares)	59,169,314	55,337,201	56,738,805	55,301,023
Cash dividends declared per common share (in dollars per share)	$ 0.15	$ 0.11	$ 0.41	$ 0.31