CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net (loss) income	$ (1,074)	$ 2,515
Adjustments to reconcile net (loss) income to net cash provided by (used in)operating activities:
Depreciation and amortization	5,295	6,256
Provision for doubtful accounts	44	7
Restructuring and other transition expenses, net of payments	2,889	0
Deferred income taxes	(19)	29
Net (gains) losses from sales of assets	(214)	61
ESOP and share-based compensation expense	1,229	1,258
Net losses (gains) on derivative instruments and investments	5,839	(4,569)
Change in operating assets and liabilities:
Restricted cash	(272)	0
Purchases of trading securities held for investment	(518)	(936)
Proceeds from sales of trading securities held for investment	1,202	1,315
Accounts and notes receivable	(1,805)	(3,949)
Inventories	(6,446)	(897)
Income tax receivable	(262)	30
Derivative assets, net	(5,094)	5,389
Prepaid expenses and other assets	966	712
Accounts payable	11,493	(3,899)
Accrued payroll expenses and other current liabilities	(1,514)	(6,463)
Accrued postretirement benefits	34	(230)
Other long-term liabilities	(365)	(452)
Net cash provided by (used in) operating activities	11,408	(3,823)
Cash flows from investing activities:
Purchases of property, plant and equipment	(3,781)	(4,930)
Proceeds from sales of property, plant and equipment	538	98
Net cash used in investing activities	(3,243)	(4,832)
Cash flows from financing activities:
Proceeds from revolving credit facility	0	13,860
Repayments on revolving credit facility	(28)	(12,040)
Payment of financing costs	(8)	0
Payments of capital lease obligations	(865)	(957)
Proceeds from stock option exercises	341	581
Net cash (used in) provided by financing activities	(560)	1,444
Net increase (decrease) in cash and cash equivalents	7,605	(7,211)
Cash and cash equivalents at beginning of period	15,160	11,993
Cash and cash equivalents at end of period	22,765	4,782
Supplemental disclosure of non-cash investing and financing activities:
Equipment acquired under capital leases	9	42
Increase in construction-in-progress assets under Texas facility lease	1,982	0
Increase in Texas facility lease obligation		0
Non-cash additions to equipment	$ 150	$ 17