Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:
Net income	$ 18,919	$ 15,281
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	22,212	22,400
Non-cash employee stock compensation expense	2,449	1,613
Amortization of debt discount	2,473	2,340
Impairment of mining assets	1,769
Tax expense of stock-based compensation exercises	303	28
Deferred tax benefit	(5,374)	(2,857)
Changes in assets and liabilities:
Royalty receivables	3,427	2,193
Prepaid expenses and other assets	2,147	10,297
Accounts payable	(1,570)	(725)
Foreign withholding taxes payable	(1,320)	(8,256)
Income taxes (receivable) payable	5,373	(9,010)
Other liabilities	1,650	2,183
Net cash provided by operating activities	52,458	35,487
Cash flows from investing activities:
Acquisition of royalty and stream interests	(6,209)	(48,028)
Other	(127)	(24)
Net cash used in investing activities	(6,336)	(48,052)
Cash flows from financing activities:
Net proceeds from issuance of common stock	199
Common stock dividends	(13,678)	(13,010)
Distribution to non-controlling interests	(465)	(533)
Tax benefit of stock-based compensation exercises	(303)	(28)
Net cash used in financing activities	(14,247)	(13,571)
Net decrease in cash and equivalents	31,875	(26,136)
Cash and equivalents at beginning of period	659,536	664,035
Cash and equivalents at end of period	$ 691,411	$ 637,899