CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 137,015	$ 114,863
Restricted cash		950
Accounts receivable, less allowance for doubtful accounts of $1,661 and $1,773	88,846	78,788
Accounts receivable from joint ventures	1,778	2,142
Accounts receivable, other	1,752	2,297
Taxes receivable	2,212	5,079
Inventories	66,733	73,178
Prepaid income taxes	5,134	4,914
Deferred income taxes	7,074	7,225
Asbestos-related insurance receivables	8,195	8,195
Other current assets	7,450	8,559
Assets of discontinued operations		746
Total current assets	326,189	306,936
Property, plant and equipment, net of accumulated depreciation of $211,592 and $205,575	148,669	149,017
Investments in unconsolidated joint ventures	19,022	21,171
Deferred income taxes	59,150	71,439
Goodwill	103,000	105,041
Other intangible assets	49,570	53,288
Asbestos-related insurance receivables	40,067	40,067
Investments, other	5,127	5,000
Other long-term assets	7,715	8,065
Total assets	758,509	760,024
Current liabilities
Accounts payable	17,753	16,730
Accrued employee benefits and compensation	23,981	23,156
Accrued income taxes payable	1,921	3,135
Current portion of lease obligation	1,004	1,423
Current portion of long term debt	23,000	20,500
Asbestos-related liabilities	8,195	8,195
Other accrued liabilities	11,454	11,363
Liabilities of discontinued operations		3
Total current liabilities	87,308	84,505
Long term lease obligation	6,734	6,942
Long term debt	70,000	77,500
Pension liability	34,008	65,942
Retiree health care and life insurance benefits	10,654	10,654
Asbestos-related liabilities	43,222	43,222
Non-current income tax	20,033	19,300
Deferred income taxes	15,820	17,545
Other long-term liabilities	350	262
Shareholders’ Equity
Capital Stock - $1 par value; 50,000,000 authorized shares; 17,242,257 and 16,904,441 shares outstanding	17,242	16,904
Additional paid-in capital	83,655	74,272
Retained earnings	413,446	400,784
Accumulated other comprehensive income (loss)	(43,963)	(57,808)
Total shareholders' equity	470,380	434,152
Total liabilities and shareholders' equity	$ 758,509	$ 760,024