Condensed Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Accounts receivable, net	$ 66,663	$ 46,765
Inventories	68,160	45,944
Deferred income taxes	17,501	17,501
Income taxes receivable		2,029
Prepaid expenses and other	2,397	1,474
Total current assets	154,721	113,713
Property, plant and equipment:
Land	1,468	1,468
Buildings and improvements	64,712	63,375
Machinery and equipment	345,205	338,071
Construction in progress	4,512	4,628
Total property, plant and equipment	415,897	407,542
Less accumulated depreciation	326,911	319,533
Net property, plant and equipment	88,986	88,009
Other assets:
Pension asset	176,898	153,962
Other, net	1,473	1,533
Total other assets	178,371	155,495
Total assets	422,078	357,217
Current liabilities:
Current maturities of long-term debt	43,229	27,744
Accounts payable	13,914	6,694
Accrued OPEB cost	1,279	1,279
Other accrued liabilities	29,866	22,901
Total current liabilities	88,288	58,618
Noncurrent liabilities:
Long-term debt	971	937
Accrued OPEB cost	46,244	45,247
Deferred income taxes	69,286	58,830
Other accrued liabilities	1,959	1,849
Total noncurrent liabilities	118,460	106,863
Stockholders' equity:
Common stock	121	125
Additional paid-in capital	99,004	100,111
Accumulated other comprehensive loss	(95,513)	(97,307)
Retained earnings	211,718	189,603
Treasury stock		(796)
Total stockholders' equity	215,330	191,736
Total liabilities and stockholders' equity	422,078	357,217
Commitments and contingencies (Note 5)