CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) shares in Thousands, $ in Thousands	9 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Operating activities:
Net (loss) income	$ (210,045)	$ 9,409
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	24,608	15,301
Amortization of debt issuance costs and debt discount	4,603	4,355
Amortization of deferred financing costs	833	300
Provision for doubtful accounts	305	(18)
Non-cash stock compensation	6,442	5,239
Deferred income taxes	(80,207)	627
Environmental charge	902	903
Earnings on equity investment in joint venture	(1,990)	(1,558)
Contingent consideration	(2,505)
Impairment charges	256,266
Changes in assets and liabilities:
Trade accounts receivable	2,573	(14,839)
Other receivables	(3,662)	1,664
Inventory	(3,102)	(3,778)
Prepaid expenses and other current assets	(927)	(424)
Other assets	(2,202)	215
Accounts payable	34,224	18,857
Accrued expenses and other liabilities	30,299	(4,702)
Net cash provided by operating activities	56,415	31,551
Investing activities:
Payment for net assets of business acquired		(270,000)
Purchases of investments	(2,880)	(1,824)
Sales of investments	1,867	775
Payments for intangible assets	(779)	(3,077)
Purchases of property and equipment, net	(4,677)	(1,386)
Net cash used in investing activities	(6,469)	(275,512)
Financing activities:
Payment of cash dividends	(5,924)	(5,944)
Proceeds from exercise of stock options	595	550
Excess tax benefit on stock option exercises and restricted stock		551
Borrowings of bank loans		265,000
Payment for deferred financing costs		(5,407)
Repayment of bank loans	(39,398)	(16,898)
Net cash (used in) provided by financing activities	(44,727)	237,852
Effect of exchange rate changes on cash	1,133	(757)
Net increase (decrease) in cash	6,352	(6,866)
Cash and cash equivalents at beginning of period	55,680	66,828
Cash and cash equivalents at end of period	$ 62,032	$ 59,962
Noncash Investing and Financing Items [Abstract]
Number of shares to be issued	5,122
Fair value of future issuance of shares	$ 90,400

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The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow from bank borrowing during the year.

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- Definition

The cash inflow associated with the sale of securities that had been designated as held-to-maturity. Excludes proceeds from maturities, prepayments and calls by the issuer.

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- Definition

Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

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Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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The cash outflow to settle a bank borrowing during the year.

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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