Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 78,889	$ 69,888
Receivables, less allowance for doubtful accounts of $519 in 2012 and $141 in 2011	54,394	59,211
Inventories	70,669	68,544
Insurance receivables - asbestos	18,400	18,000
Other current assets	15,230	12,888
Total current assets	237,582	228,531
Property, plant and equipment, net	150,297	150,240
Insurance receivables - asbestos	99,715	108,419
Deferred income tax assets	25,800	23,638
Investments in joint ventures	13,319	14,872
Other noncurrent assets	6,466	5,932
Total Assets	533,179	531,632
Current liabilities:
Accounts payable	15,839	19,528
Accrued payrolls and employee benefits	9,301	10,983
Industrial Revenue Bond debt	13,311	13,311
Asbestos liability - current portion	23,500	25,000
Other current liabilities	24,473	20,337
Total current liabilities	86,424	89,159
Employee benefit obligations	96,100	75,257
Asbestos liability	157,522	172,872
Other noncurrent liabilities	1,040	1,472
Total liabilities	341,086	338,760
Commitments and contingent liabilities (Note 8)
Shareholders' equity:
Common stock - par value $1; authorized 20,000 shares; issued and outstanding 10,346 shares in 2012 and 10,326 shares in 2011	10,346	10,326
Additional paid-in capital	124,464	123,088
Retained earnings	139,658	138,748
Accumulated other comprehensive loss	(82,375)	(79,290)
Total shareholders' equity	192,093	192,872
Total Liabilities and Shareholders' Equity	$ 533,179	$ 531,632