CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net loss	$ (29,329)	$ (54,317)	$ (23,953)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	32,113	31,758	26,778
Provision for doubtful accounts	0	2,024	3,188
Deferred income taxes	(78)	336	758
Impairment losses on goodwill and intangible assets	5,585	7,805	0
(Gain) loss on sales of assets	(268)	358	430
ESOP and share-based compensation expense	3,287	3,825	4,785
Net loss (gain) on investments	6,175	(1,312)	(9,382)
Change in operating assets and liabilities:
Short-term investments	(2,322)	27,381	1,365
Accounts and notes receivable	2,765	(2,929)	(40)
Inventories	13,314	3,952	(14,751)
Income tax receivable	(314)	5,392	(1,677)
Prepaid expenses and other assets	(711)	(434)	178
Accounts payable	(13,083)	12,997	(738)
Accrued payroll, expenses and other liabilities	3,112	2,112	2,904
Accrued postretirement benefits	995	1,399	3,926
Other long-term liabilities	(3,108)	(6,410)	5,182
Net cash provided by (used in) operating activities	18,133	33,937	(1,047)
Cash flows from investing activities:
Purchases of property, plant and equipment	(17,498)	(19,416)	(28,484)
Proceeds from sales of property, plant and equipment	3,037	2,021	437
Net cash used in investing activities	(14,461)	(17,395)	(28,047)
Cash flows from financing activities:
Proceeds from revolving credit facility	17,250	35,450	33,737
Repayments on revolving credit facility	(21,200)	(43,970)	(12,756)
Payments of capital lease obligations	(1,897)	(1,433)	(837)
Dividends paid	0	(4,657)	(6,939)
Net cash (used in) provided by financing activities	(5,847)	(14,610)	13,205
Net (decrease) increase in cash and cash equivalents	(2,175)	1,932	(15,889)
Cash and cash equivalents at beginning of year	6,081	4,149	20,038
Cash and cash equivalents at end of year	3,906	6,081	4,149
Supplemental disclosure of cash flow information:
Cash paid for interest	2,123	1,945	890
Cash paid for income taxes	317	324	154
Non-cash financing and investing activities:
Equipment acquired under capital leases	9,508	5,659	3,954
Dividends accrued, but not paid	$ 0	$ 0	$ 1,849