CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Jun. 30, 2013
Current assets:
Cash and cash equivalents	$ 5,156	$ 2,678
Restricted cash	0	8,084
Short-term investments	21,571	20,546
Accounts and notes receivable, net	45,170	43,922
Inventories	67,018	60,867
Income tax receivable	175	409
Short-term derivative assets	18,534	0
Prepaid expenses	3,193	3,243
Total current assets	160,817	139,749
Property, plant and equipment, net	95,773	92,159
Intangible assets, net	5,628	6,277
Other assets	7,895	5,484
Deferred income taxes	467	467
Total assets	270,580	244,136
Current liabilities:
Accounts payable	33,563	27,740
Accrued payroll expenses	19,153	19,757
Short-term borrowings under revolving credit facility	9,366	9,654
Short-term obligations under capital leases	3,725	3,409
Short-term derivative liabilities	0	9,896
Deferred income taxes	923	923
Other current liabilities	5,728	5,171
Total current liabilities	72,458	76,550
Long-term borrowings under revolving credit facility	0	10,000
Long-term derivative liabilities	0	1,129
Accrued postretirement benefits	15,048	16,076
Other long-term liabilities—capital leases	6,797	8,759
Accrued pension liabilities	43,550	43,800
Accrued workers’ compensation liabilities	8,074	5,132
Deferred income taxes	962	852
Total liabilities	146,889	162,298
Commitments and contingencies
Stockholders' equity:
Preferred stock, $1.00 par value, 500,000 shares authorized and none issued	0	0
Common stock, $1.00 par value, 25,000,000 shares authorized; 16,559,992 and 16,454,422 issued and outstanding at March 31, 2014 and June 30, 2013, respectively	16,560	16,454
Additional paid-in capital	34,604	34,654
Retained earnings	103,101	94,080
Unearned ESOP shares	(16,035)	(20,836)
Accumulated other comprehensive loss	(14,539)	(42,514)
Total stockholders’ equity	123,691	81,838
Total liabilities and stockholders’ equity	$ 270,580	$ 244,136