Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets
Cash and cash equivalents	$ 28,322	$ 38,277
Accounts receivable, net	161,861	135,412
Inventories	222,644	206,707
Prepaid expenses and other current assets	51,051	42,017
Total current assets	463,878	422,413
Plant, equipment and timberlands, net	606,644	601,950
Other assets	113,513	112,562
Total assets	1,184,035	1,136,925
Current liabilities
Accounts payable	112,615	109,490
Dividends payable	3,912	3,902
Environmental liabilities	250	250
Other current liabilities	111,619	97,598
Total current liabilities	228,396	211,240
Long-term debt	219,000	227,000
Deferred income taxes	65,991	69,791
Other long-term liabilities	124,731	138,490
Total liabilities	638,118	646,521
Commitments and contingencies
Shareholders' equity
Common stock	544	544
Capital in excess of par value	50,936	51,477
Retained earnings	816,529	775,825
Accumulated other comprehensive loss	(154,143)	(166,741)
Shareholders' equity before treasury stock	713,866	661,105
Less cost of common stock in treasury	(167,949)	(170,701)
Total shareholders' equity	545,917	490,404
Total liabilities and shareholders' equity	$ 1,184,035	$ 1,136,925