Consolidated Statements of Operations and Comprehensive Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Consolidated Statements of Operations and Comprehensive Income
Royalty revenues	$ 79,870	$ 68,842	$ 157,732	$ 133,307
Costs and expenses
General and administrative	5,720	5,057	11,790	11,355
Production taxes	2,197	2,946	4,676	5,097
Depreciation, depletion and amortization	21,120	21,419	42,620	38,639
Restructuring on royalty interests in mineral properties				1,328
Total costs and expenses	29,037	29,422	59,086	56,419
Operating income	50,833	39,420	98,646	76,888
Interest and other income	29	489	139	3,322
Interest and other expense	(6,988)	(1,609)	(13,157)	(3,387)
Income before income taxes	43,874	38,300	85,628	76,823
Income tax expense	(16,315)	(14,051)	(32,776)	(26,433)
Net income	27,559	24,249	52,852	50,390
Net income attributable to non-controlling interests	(342)	(838)	(865)	(4,484)
Net income attributable to Royal Gold stockholders	27,217	23,411	51,987	45,906
Net income	27,559	24,249	52,852	50,390
Adjustments to comprehensive income, net of tax
Unrealized change in market value of available for sale securities	(1,572)	(6,958)	3,474	(12,262)
Comprehensive income	25,987	17,291	56,326	38,128
Comprehensive income attributable to non-controlling interests	(342)	(838)	(865)	(4,484)
Comprehensive income attributable to Royal Gold stockholders	$ 25,645	$ 16,453	$ 55,461	$ 33,644
Net income per share available to Royal Gold common stockholders:
Basic earnings per share (in dollars per share)	$ 0.42	$ 0.42	$ 0.84	$ 0.83
Basic weighted average shares outstanding (in shares)	63,941,686	55,329,463	61,688,776	55,259,009
Diluted earnings per share (in dollars per share)	$ 0.42	$ 0.42	$ 0.84	$ 0.82
Diluted weighted average shares outstanding (in shares)	64,137,237	55,574,814	61,905,549	55,533,248
Cash dividends declared per common share (in dollars per share)	$ 0.20	$ 0.15	$ 0.35	$ 0.26