Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets
Cash and cash equivalents	$ 38,277	$ 95,788
Accounts receivable (less allowance for doubtful accounts: 2011 - $2,861; 2010 - $3,118)	135,412	141,208
Inventories	206,707	201,077
Prepaid expenses and other current assets	42,017	64,617
Total current assets	422,413	502,690
Plant, equipment and timberlands - net	601,950	608,170
Other long-term assets	112,562	230,887
Total assets	1,136,925	1,341,747
Current liabilities
Short-term debt	0	798
Accounts payable	109,490	98,594
Dividends payable	3,902	4,190
Environmental liabilities	250	248
Other current liabilities	97,598	109,316
Total current liabilities	211,240	213,146
Long-term debt	227,000	332,224
Deferred income taxes	69,791	94,918
Other long-term liabilities	138,490	149,017
Total liabilities	646,521	789,305
Commitments and contingencies
Shareholders' equity
Common stock, $.01 par value; authorized - 120,000,000 shares; issued - 54,361,980 shares (including shares in treasury: 2011 - 11,711,536; 2010 - 8,385,772)	544	544
Capital in excess of par value	51,477	48,145
Retained earnings	775,825	749,453
Accumulated other comprehensive loss	(166,741)	(121,247)
Shareholder's equity before treasury stock	661,105	676,895
Less cost of common stock in treasury	(170,701)	(124,453)
Total shareholders' equity	490,404	552,442
Total liabilities and shareholders' equity	$ 1,136,925	$ 1,341,747