Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Consolidated Statements of Operations and Comprehensive Income (Loss)
Revenue (Note 7)	$ 498,819	$ 423,056	$ 459,042
Costs and expenses
Cost of sales (excludes depreciation, depletion and amortization)	83,890	77,535	83,839
General and administrative	30,195	30,488	35,464
Production taxes	3,824	4,112	2,268
Exploration costs	5,190	7,158	8,946
Depreciation, depletion and amortization	175,434	163,056	163,696
Impairment of royalty interests	1,341		239,364
Total costs and expenses	299,874	282,349	533,577
Operating income (loss)	198,945	140,707	(74,535)
Fair value changes in equity securities	1,418	(6,800)
Interest and other income	2,046	2,320	4,170
Interest and other expense	(9,813)	(29,650)	(34,214)
Income (loss) before income taxes	192,596	106,577	(104,579)
Income tax benefit (expense)	3,654	(17,498)	(14,772)
Net income (loss)	196,250	89,079	(119,351)
Net loss attributable to non-controlling interests	3,093	4,746	6,217
Net income (loss) attributable to Royal Gold common stockholders	199,343	93,825	(113,134)
Adjustments to comprehensive income (loss), net of tax
Unrealized change in market value of available-for-sale securities			(2,080)
Comprehensive income (loss)	196,250	89,079	(121,431)
Comprehensive loss attributable to non-controlling interests	3,093	4,746	6,217
Comprehensive income (loss) available to Royal Gold common stockholders	$ 199,343	$ 93,825	$ (115,214)
Net income (loss) per share available to Royal Gold common stockholders:
Basic earnings (loss) per share (in dollars per share)	$ 3.04	$ 1.43	$ (1.73)
Basic weighted average shares outstanding (in shares)	65,523,024	65,394,627	65,291,855
Diluted earnings (loss) per share (in dollars per share)	$ 3.03	$ 1.43	$ (1.73)
Diluted weighted average shares outstanding (in shares)	65,643,390	65,505,535	65,291,855
Cash dividends declared per common share (in dollars per share)	$ 1.11	$ 1.05	$ 0.99