CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	3 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net loss	$ (7,584)	$ (9,873)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	7,923	7,461
Provision for doubtful accounts	590	248
Loss on sales of assets	98	199
ESOP and share-based compensation expense	790	1,078
Net loss (gain) on derivatives and investments	2,621	(1,897)
Change in operating assets and liabilities:
Short-term investments	6,059	8,780
Accounts and notes receivable	(1,643)	(362)
Inventories	(3,192)	4,145
Income tax receivable	287	5,711
Prepaid expenses and other assets	543	845
Accounts payable	(3,650)	(9,428)
Accrued payroll expenses and other liabilities	(147)	893
Accrued postretirement benefits	327	342
Other long-term liabilities	(3,055)	5,157
Net cash (used in) provided by operating activities	(33)	13,299
Cash flows from investing activities:
Purchases of property, plant and equipment	(2,910)	(5,618)
Proceeds from sales of property, plant and equipment	198	87
Net cash used in investing activities	(2,712)	(5,531)
Cash flows from financing activities:
Proceeds from revolving line of credit	8,400	4,000
Repayments on revolving line of credit	(6,800)	(10,000)
Payments on capital lease obligations	(384)	(85)
Dividends paid		(1,833)
Net cash provided by (used in) financing activities	1,216	(7,918)
Net decrease in cash and cash equivalents	(1,529)	(150)
Cash and cash equivalents at beginning of period	6,081	4,149
Cash and cash equivalents at end of period	$ 4,552	$ 3,999