Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 92,275	$ 78,889
Receivables, less allowance for doubtful accounts of $571 in 2013 and $519 in 2012	43,171	54,394
Inventories	73,029	70,669
Insurance receivables - asbestos	16,000	18,400
Other current assets	10,735	15,230
Total current assets	235,210	237,582
Property, plant and equipment, net	151,731	150,297
Insurance receivables - asbestos	100,863	99,715
Deferred income tax assets	18,508	25,800
Investments in joint ventures	12,170	13,319
Other noncurrent assets	7,205	6,466
Total Assets	525,687	533,179
Current liabilities:
Accounts payable	17,381	15,839
Accrued payrolls and employee benefits	9,428	9,301
Industrial Revenue Bond debt	13,311	13,311
Asbestos liability - current portion	21,000	23,500
Other current liabilities	20,724	24,473
Total current liabilities	81,844	86,424
Employee benefit obligations	93,029	96,100
Asbestos liability	144,028	157,522
Other noncurrent liabilities	782	1,040
Total liabilities	319,683	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	125,412	124,464
Retained earnings	148,002	139,658
Accumulated other comprehensive loss	(77,773)	(82,375)
Total shareholders' equity	206,004	192,093
Total Liabilities and Shareholders' Equity	$ 525,687	$ 533,179