Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current Assets
Cash and cash equivalents	$ 0	$ 0
Restricted cash	0	12
Receivables (less allowance for doubtful accounts: September 30, 2013 - $20; December 31, 2012 - $12)	31,796	35,325
Inventory	36,801	36,532
Prepaid expenses	1,238	697
Deferred income taxes	6,349	5,283
Refundable income taxes	226	242
Total current assets	76,410	78,091
Property and equipment	192,361	190,519
Less accumulated depreciation and amortization	(122,061)	(115,128)
Property and equipment, net	70,300	75,391
Equity method investments	6,352	7,301
Other noncurrent assets	2,153	2,388
Total assets	155,215	163,171
Current Liabilities
Current maturities of long-term debt	1,558	1,683
Accounts payable	19,689	18,860
Accounts payable to affiliate, net	517	4,008
Accrued expenses	7,145	5,220
Total current liabilities	28,909	29,771
Long-term debt, less current maturities	4,005	5,168
Revolving credit facility	24,867	25,893
Deferred credit	3,793	4,133
Accrued retirement health and life insurance benefits	4,884	5,096
Other noncurrent liabilities	946	1,000
Deferred income taxes	6,349	5,283
Total liabilities	73,753	76,344
Commitments and Contingencies – See Note 4
Capital stock
Preferred, 5% non-cumulative; $10 par value; authorized 1,000 shares; issued and outstanding 437 shares	4	4
Common stock
No par value; authorized 40,000,000 shares; issued 18,115,965 shares at September 30, 2013 and December 31, 2012, 17,827,135 and 17,934,233 shares outstanding at September 30, 2013 and December 31, 2012, respectively	6,715	6,715
Additional paid-in capital	8,844	7,894
Retained earnings	67,047	72,531
Accumulated other comprehensive loss, net of tax	(634)	(233)
Treasury stock, at cost
288,830 and 181,732 shares at September 30, 2013 and December 31, 2012, respectively	(514)	(84)
Total stockholders’ equity	81,462	86,827
Total liabilities and stockholders’ equity	$ 155,215	$ 163,171