Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net income	$ 11,976	$ 26,548
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	42,551	39,692
Amortization of debt discount and issuance costs	3,903	3,679
Non-cash employee stock compensation expense	2,444	2,373
Fair value changes in equity securities	1,468
Deferred tax benefit	(1,681)	(727)
Other		(223)
Changes in assets and liabilities:
Royalty receivables	1,250	(2,193)
Stream inventory	(701)	89
Income tax receivable	(6,341)	(3,854)
Prepaid expenses and other assets	1,061	(1,654)
Accounts payable	(4,060)	(985)
Income tax payable	(10,241)	6,035
Withholding taxes payable	(703)	37
Uncertain tax positions	3,266	2,493
Other liabilities	445	299
Net cash provided by operating activities	44,637	71,609
Cash flows from investing activities:
Acquisition of stream and royalty interests	(3)	(5)
Other	(121)	100
Net cash (used in) provided by investing activities	(124)	95
Cash flows from financing activities:
Repayment of revolving credit facility		(50,000)
Net payments from issuance of common stock	(1,972)	(3,529)
Common stock dividends	(16,376)	(15,682)
Other	2,163	55
Net cash used in financing activities	(16,185)	(69,156)
Net increase in cash and equivalents	28,328	2,548
Cash and equivalents at beginning of period	88,750	85,847
Cash and equivalents at end of period	$ 117,078	$ 88,395