Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
OPERATING ACTIVITIES
Net Income	$ 53,437	$ 58,412
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation, depletion and amortization	31,168	31,870
Non-cash cost of real estate sold	1,382	296
Stock-based incentive compensation expense	6,466	4,275
Amortization of debt discount/premium	1,890	2,152
Deferred income taxes	3,028	7,345
Amortization of gains/losses from pension and postretirement plans	4,508	3,021
Other	(1,909)	(5,215)
Changes in operating assets and liabilities:
Receivables	(1,911)	(14,766)
Inventories	17,035	9,161
Accounts payable	3,978	14,644
All other operating activities	(6,007)	6,957
Expenditures for dispositions and discontinued operations	(1,711)	(2,447)
CASH PROVIDED BY OPERATING ACTIVITIES	111,354	115,705
INVESTING ACTIVITIES
Capital expenditures	(42,079)	(34,761)
Purchase of timberlands	(8,689)	(2,942)
Jesup mill cellulose specialties expansion (gross purchases of $41,051, net of purchases on account of $15,025)	(26,026)	0
Change in restricted cash	(5,609)	0
Other	8,736	6,882
CASH USED FOR INVESTING ACTIVITIES	(73,667)	(30,821)
FINANCING ACTIVITIES
Issuance of debt	340,000	0
Repayment of debt	(165,000)	(75,000)
Dividends paid	(49,249)	(43,894)
Proceeds from the issuance of common shares	2,061	5,399
Excess tax benefits on stock-based compensation	3,946	3,970
Debt issuance costs	(3,565)	0
Repurchase of common shares	(7,783)	(7,826)
CASH PROVIDED BY (USED FOR) FINANCING ACTIVITIES	120,410	(117,351)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	(125)	116
CASH AND CASH EQUIVALENTS
Change in cash and cash equivalents	157,972	(32,351)
Balance, beginning of year	78,603	349,463
Balance, end of period	236,575	317,112
Cash paid (received) during the period:
Interest	5,213	4,671
Income taxes	325	(5,892)
Non-cash investing activity:
Capital assets purchased on account	$ 44,576	$ 16,425