Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net income	$ 35,021	$ 10,759
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	81,358	81,701
Amortization of debt discount and issuance costs	7,864	7,413
Non-cash employee stock compensation expense	4,070	4,395
Fair value changes in equity securities	5,099
Deferred tax (benefit) expense	(307)	28,958
Other		(158)
Changes in assets and liabilities:
Royalty receivables	697	(2,399)
Stream inventory	1,356	524
Income tax receivable	(12,753)	(5,197)
Prepaid expenses and other assets	2,305	(328)
Accounts payable	(7,026)	(1,658)
Income tax payable	(7,514)	9,445
Withholding taxes payable	(906)	26
Uncertain tax positions	2,197	4,560
Other liabilities	(7,993)	9,193
Net cash provided by operating activities	103,468	147,234
Cash flows from investing activities:
Acquisition of stream and royalty interests	(55)
Purchase of equity securities	(3,569)
Other	(87)	(94)
Net cash used in investing activities	(3,711)	(94)
Cash flows from financing activities:
Repayment of revolving credit facility		(100,000)
Net payments from issuance of common stock	(2,217)	(3,541)
Common stock dividends	(32,754)	(31,391)
Contributions from non-controlling interest	2,790
Other	210	77
Net cash used in financing activities	(31,971)	(134,855)
Net increase in cash and equivalents	67,786	12,285
Cash and equivalents at beginning of period	88,750	85,847
Cash and equivalents at end of period	$ 156,536	$ 98,132