Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income	$ 26,548	$ 26,955
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	39,692	40,102
Amortization of debt discount and issuance costs	3,679	3,351
Non-cash employee stock compensation expense	2,373	4,144
Deferred tax expense	(727)	(1,030)
Other	(223)	(153)
Changes in assets and liabilities:
Royalty receivables	(2,193)	(7,048)
Stream inventory	89	(3,125)
Income tax receivable	(3,854)	(3,215)
Prepaid expenses and other assets	(1,654)	(1,724)
Accounts payable	(985)	1,777
Income tax payable	6,035	(13,264)
Foreign withholding taxes payable	37	1,086
Uncertain tax positions	2,493	6,374
Other liabilities	299	878
Net cash provided by operating activities	71,609	55,108
Cash flows from investing activities:
Acquisition of stream and royalty interests	(5)	(90,083)
Other	100	(226)
Net cash provided by (used in) investing activities	95	(90,309)
Cash flows from financing activities:
Borrowings from revolving credit facility		70,000
Repayment of revolving credit facility	(50,000)
Net payments from issuance of common stock	(3,529)	(2,038)
Common stock dividends	(15,682)	(15,012)
Purchase of additional royalty interest from non-controlling interest		(1,025)
Other	55	(315)
Net cash (used in) provided by financing activities	(69,156)	51,610
Net increase in cash and equivalents	2,548	16,409
Cash and equivalents at beginning of period	85,847	116,633
Cash and equivalents at end of period	$ 88,395	$ 133,042