CONSOLIDATED BALANCE SHEETS (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 129,768	$ 122,301
Accounts receivable, net	184,557	176,716
Inventories	167,236	156,171
Income taxes receivable and deferred	42,057	39,721
Prepaid expenses and other current assets	13,850	11,883
Total current assets	537,468	506,792
Property, plant and equipment, net	455,378	488,121
Investments in associated companies	2,801	2,926
Intangibles	2,918	4,182
Goodwill	115,212	115,616
Deferred taxes	142,673	141,701
Other assets	17,122	18,955
Total assets	1,273,572	1,278,293
LIABILITIES AND SHAREHOLDERS' EQUITY
Notes and loans payable	901	1,587
Accounts payable	45,533	44,294
Accrued liabilities	113,694	110,292
Current maturities of long-term debt	13	12
Income taxes payable and deferred	20,099	9,670
Total current liabilities	180,240	165,855
Long-term debt	389,197	423,647
Other noncurrent liabilities	179,805	190,493
Deferred taxes and other credits	74,048	72,038
Total liabilities	823,290	852,033
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	390,239	387,876
Retained earnings	433,336	403,048
Accumulated items of other comprehensive income:
Translation adjustments	(16,592)	(6,041)
Pension and post retirement liability adjustments	(96,085)	(100,355)
Derivative valuation adjustment	(2,736)	(276)
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	450,282	426,260
Total liabilities and shareholders' equity	1,273,572	1,278,293
Class A Common Stock [Member]
SHAREHOLDERS' EQUITY
Common Stock	37	36
Class B Common Stock [Member]
SHAREHOLDERS' EQUITY
Common Stock	$ 3	$ 3