Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities:
Net income (loss)	$ 54,059	$ (31,023)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, depletion and amortization	79,621	67,555
Amortization of debt discount and issuance costs	6,751	6,440
Non-cash employee stock compensation expense	6,443	5,449
Tax benefit of stock-based compensation exercises	(77)	247
Deferred tax expense	(3,211)	(11,767)
Other	(4,638)	(390)
Changes in assets and liabilities:
Royalty receivables	(5,499)	14,768
Stream inventory	(689)	(6,002)
Income taxes receivable	(12,172)	3,530
Prepaid expenses and other assets	(835)	2,043
Accounts payable	(1,832)	(2,092)
Uncertain tax positions	6,052	806
Other liabilities	822	5,032
Net cash provided by operating activities	124,795	54,596
Cash flows from investing activities:
Acquisition of stream and royalty interests	(192,818)	(1,324,984)
Andacollo royalty termination		345,000
Golden Star term loan		(20,000)
Other	1,774	(271)
Net cash used in investing activities	(191,044)	(1,000,255)
Cash flows from financing activities:
Borrowings from revolving credit facility	70,000	350,000
Net payments from issuance of common stock	(2,320)
Common stock dividends	(30,035)	(28,699)
Purchase of additional royalty interest from non-controlling interest	(1,438)
Tax expense of stock-based compensation exercises	77	(247)
Other	(2,680)	(644)
Net cash provided by financing activities	33,604	320,410
Net decrease in cash and equivalents	(32,645)	(625,249)
Cash and equivalents at beginning of period	116,633	742,849
Cash and equivalents at end of period	$ 83,988	$ 117,600