Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 118,909	$ 117,925
Accounts receivable, less allowance for doubtful accounts ($10,827 in 2011; $12,341 in 2010)	148,849	148,514
Inventories	133,649	143,557
Income taxes receivable and deferred	30,010	39,580
Prepaid expenses and other current assets	13,409	11,634
Current assets of discontinued operations	62,107	45,582
Total current assets	506,933	506,792
Property, plant and equipment, at cost, net	439,516	481,952
Investments in associated companies	879	858
Intangibles	1,079	1,578
Goodwill	75,469	77,196
Deferred taxes and taxes receivable	134,644	139,955
Other assets	22,504	18,103
Noncurrent assets of discontinued operations	49,904	51,859
Total assets	1,230,928	1,278,293
Current liabilities:
Notes and loans payable	424	1,587
Accounts payable	33,663	35,802
Accrued liabilities	105,649	99,664
Current maturities of long-term debt	1,263	12
Income taxes payable and deferred	8,766	9,288
Current liabilities of discontinued operations	20,946	19,503
Total current liabilities	170,711	165,856
Long-term debt	373,125	423,634
Other noncurrent liabilities	185,648	181,769
Deferred taxes and other credits	71,529	68,590
Noncurrent liabilities of discontinued operations	14,065	12,185
Total liabilities	815,078	852,034
Commitments and Contingencies
Shareholders' Equity
Preferred stock, par value $5.00 per share; authorized 2,000,000 shares; none issued
Common Stock	40	39
Additional paid-in capital	391,495	387,876
Retained earnings	422,044	403,048
Accumulated items of other comprehensive income/(loss):
Translation adjustments	(19,111)	(6,041)
Pension and postretirement liability adjustments	(118,104)	(100,355)
Derivative valuation adjustment	(2,594)	(277)
Treasury stock (Class A), at cost; 8,479,487 shares in 2011 and 8,484,528 shares in 2010	(257,920)	258,031
Total shareholders' equity	415,850	426,259
Total liabilities and shareholders' equity	1,230,928	1,278,293
Common Class A [Member]
Shareholders' Equity
Common Stock	37	36
Common Class B [Member]
Shareholders' Equity
Common Stock	$ 3	$ 3