Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 90,111	$ 78,889
Receivables, less allowance for doubtful accounts of $549 in 2013 and $519 in 2012	45,434	54,394
Inventories	70,636	70,669
Insurance receivables - asbestos	16,000	18,400
Other current assets	11,926	15,230
Total current assets	234,107	237,582
Property, plant and equipment, net	149,241	150,297
Insurance receivables - asbestos	89,358	99,715
Deferred income tax assets	25,965	25,800
Investments in joint ventures	12,525	13,319
Other noncurrent assets	6,978	6,466
Total Assets	518,174	533,179
Current liabilities:
Accounts payable	15,299	15,839
Accrued payrolls and employee benefits	8,654	9,301
Industrial Revenue Bond debt	13,311	13,311
Asbestos liability - current portion	21,000	23,500
Other current liabilities	22,646	24,473
Total current liabilities	80,910	86,424
Employee benefit obligations	96,407	96,100
Asbestos liability	149,568	157,522
Other noncurrent liabilities	1,190	1,040
Total liabilities	328,075	341,086
Commitments and contingent liabilities (Note 6)
Shareholders' equity:
Common stock - par value $1; authorized 20,000 shares; issued and outstanding 10,363 shares in 2013 and 10,346 shares in 2012	10,363	10,346
Additional paid-in capital	125,120	124,464
Retained earnings	137,162	139,658
Accumulated other comprehensive loss	(82,546)	(82,375)
Total shareholders' equity	190,099	192,093
Total Liabilities and Shareholders' Equity	$ 518,174	$ 533,179