Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
OPERATING ACTIVITIES
Net Income	$ 122,515	$ 114,865
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation, depletion and amortization	66,174	62,863
Non-cash cost of real estate sold	2,401	1,749
Stock-based incentive compensation expense	9,460	8,021
Amortization of debt discount/premium	3,863	4,303
Deferred income taxes	(15,044)	(945)
Amortization of losses from pension and postretirement plans	9,391	6,042
Other	(2,168)	(2,600)
Changes in operating assets and liabilities:
Receivables	(13,773)	(25,222)
Inventories	7,096	1,067
Accounts payable	(9,518)	10,114
Income tax receivable/payable	31,758	22,686
All other operating activities	1,524	(3,160)
Expenditures for dispositions and discontinued operations	(4,803)	(4,916)
CASH PROVIDED BY OPERATING ACTIVITIES	208,876	194,867
INVESTING ACTIVITIES
Capital expenditures	(76,246)	(65,211)
Purchase of timberlands	(8,687)	(12,976)
Jesup mill cellulose specialties expansion (gross purchases of $72,662 and $3,576, net of purchases on account of $8,664 and $0)	(63,998)	(3,576)
Change in restricted cash	(14,427)	8,323
Other	(704)	2,626
CASH USED FOR INVESTING ACTIVITIES	(164,062)	(70,814)
FINANCING ACTIVITIES
Issuance of debt	355,000	70,000
Repayment of debt	(188,110)	(145,000)
Dividends paid	(98,201)	(87,871)
Proceeds from the issuance of common shares	3,980	7,894
Excess tax benefits on stock-based compensation	4,234	4,900
Debt issuance costs	(3,653)	(1,663)
Repurchase of common shares	(7,783)	(7,828)
CASH PROVIDED BY (USED FOR) FINANCING ACTIVITIES	65,467	(159,568)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	219	232
CASH AND CASH EQUIVALENTS
Change in cash and cash equivalents	110,500	(35,283)
Balance, beginning of year	78,603	349,463
Balance, end of period	189,103	314,180
Cash paid (received) during the period:
Interest	10,936	19,479
Income taxes	10,989	(448)
Non-cash investing activity:
Capital assets purchased on account	$ 30,175	$ 11,129