Consolidating Financial Statements Condensed Consolidating Statements of Cash Flows (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Statement of Cash Flows [Abstract]
CASH PROVIDED BY (USED FOR) OPERATING ACTIVITIES	$ 235,672	$ 208,876
INVESTING ACTIVITIES
Capital Expenditures	(94,126)	(76,246)
Purchase of additional interest in New Zealand joint venture	(139,879)	0
Purchase of timberlands	(10,447)	(8,687)
Intercompany purchase of real estate	0
Jesup mill cellulose specialties expansion	(100,185)	(63,998)
Proceeds from disposition of Wood Products business	72,953	0
Change in restricted cash	7,603	(14,427)
Investment in Subsidiaries	0	0
Other	20,076	(704)
CASH (USED FOR) PROVIDED BY INVESTING ACTIVITIES	244,005	164,062
FINANCING ACTIVITIES
Issuance of debt	455,000	355,000
Repayment of debt	(273,087)	(188,110)
Dividends paid	(113,222)	(98,201)
Proceeds from the issuance of common shares	6,643	3,980
Excess tax benefits on stock-based compensation	7,399	4,234
Debt issuance costs	0	(3,653)
Repurchase of common shares	(11,241)	(7,783)
Intercompany distributions	0	0
CASH PROVIDED BY (USED FOR) FINANCING ACTIVITIES	71,492	65,467
EFFECT OF EXCHANGE RATE CHANGES ON CASH	(174)	219
CASH AND CASH EQUIVALENTS
Change in cash and cash equivalents	62,985	110,500
Balance, beginning of year	280,596	78,603
Balance, end of period	343,581	189,103
Parent Company [Member]
Statement of Cash Flows [Abstract]
CASH PROVIDED BY (USED FOR) OPERATING ACTIVITIES	248,552	3,173
INVESTING ACTIVITIES
Capital Expenditures	0	0
Purchase of additional interest in New Zealand joint venture	0
Purchase of timberlands	0	0
Intercompany purchase of real estate	0
Jesup mill cellulose specialties expansion	0	0
Proceeds from disposition of Wood Products business	0
Change in restricted cash	0	0
Investment in Subsidiaries	(138,178)	5,181
Other	0	0
CASH (USED FOR) PROVIDED BY INVESTING ACTIVITIES	138,178	5,181
FINANCING ACTIVITIES
Issuance of debt	175,000	325,000
Repayment of debt	(250,000)	(120,000)
Dividends paid	(113,222)	(98,201)
Proceeds from the issuance of common shares	6,643	3,980
Excess tax benefits on stock-based compensation	0	0
Debt issuance costs	0	(3,653)
Repurchase of common shares	(11,241)	(7,783)
Intercompany distributions	0	0
CASH PROVIDED BY (USED FOR) FINANCING ACTIVITIES	(192,820)	99,343
EFFECT OF EXCHANGE RATE CHANGES ON CASH	0	0
CASH AND CASH EQUIVALENTS
Change in cash and cash equivalents	(82,446)	97,335
Balance, beginning of year	252,888	0
Balance, end of period	170,442	97,335
Senior Exchangeable Notes due 2015 [Member] [Domain] | Guarantor Subsidiaries [Member]
Statement of Cash Flows [Abstract]
CASH PROVIDED BY (USED FOR) OPERATING ACTIVITIES	247,599	51,579
INVESTING ACTIVITIES
Capital Expenditures	(89)	(165)
Purchase of additional interest in New Zealand joint venture	0
Purchase of timberlands	0	0
Intercompany purchase of real estate	0
Jesup mill cellulose specialties expansion	0	0
Proceeds from disposition of Wood Products business	0
Change in restricted cash	0	0
Investment in Subsidiaries	(138,178)	0
Other	1,700	(69)
CASH (USED FOR) PROVIDED BY INVESTING ACTIVITIES	136,567	234
FINANCING ACTIVITIES
Issuance of debt	0	0
Repayment of debt	0	(30,000)
Dividends paid	0	0
Proceeds from the issuance of common shares	0	0
Excess tax benefits on stock-based compensation	0	0
Debt issuance costs		0
Repurchase of common shares	0	0
Intercompany distributions	(108,549)	5,181
CASH PROVIDED BY (USED FOR) FINANCING ACTIVITIES	(108,549)	(24,819)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	0	0
CASH AND CASH EQUIVALENTS
Change in cash and cash equivalents	2,483	26,526
Balance, beginning of year	3,966	8,977
Balance, end of period	6,449	35,503
Senior Exchangeable Notes due 2015 [Member] [Domain] | Subsidiary Issuer [Member]
Statement of Cash Flows [Abstract]
CASH PROVIDED BY (USED FOR) OPERATING ACTIVITIES	64,000	12,000
INVESTING ACTIVITIES
Capital Expenditures	0	0
Purchase of additional interest in New Zealand joint venture	0
Purchase of timberlands	0	0
Intercompany purchase of real estate	0
Jesup mill cellulose specialties expansion	0	0
Proceeds from disposition of Wood Products business	0
Change in restricted cash	0	0
Investment in Subsidiaries	(249,481)	39,436
Other	0	0
CASH (USED FOR) PROVIDED BY INVESTING ACTIVITIES	249,481	39,436
FINANCING ACTIVITIES
Issuance of debt	280,000	15,000
Repayment of debt	(23,087)	(23,110)
Dividends paid	0	0
Proceeds from the issuance of common shares	0	0
Excess tax benefits on stock-based compensation	0	0
Debt issuance costs		0
Repurchase of common shares	0	0
Intercompany distributions	(64,000)	(9,233)
CASH PROVIDED BY (USED FOR) FINANCING ACTIVITIES	192,913	(17,343)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	0	0
CASH AND CASH EQUIVALENTS
Change in cash and cash equivalents	7,432	(44,779)
Balance, beginning of year	19,358	59,976
Balance, end of period	26,790	15,197
Senior Exchangeable Notes due 2015 [Member] [Domain] | Non-Guarantor Subsidiaries [Member]
Statement of Cash Flows [Abstract]
CASH PROVIDED BY (USED FOR) OPERATING ACTIVITIES	212,977	181,124
INVESTING ACTIVITIES
Capital Expenditures	(94,037)	(76,081)
Purchase of additional interest in New Zealand joint venture	139,879
Purchase of timberlands	(10,447)	(8,687)
Intercompany purchase of real estate	984
Jesup mill cellulose specialties expansion	(100,185)	(63,998)
Proceeds from disposition of Wood Products business	72,953
Change in restricted cash	7,603	(14,427)
Investment in Subsidiaries	0	0
Other	18,376	(635)
CASH (USED FOR) PROVIDED BY INVESTING ACTIVITIES	244,632	163,828
FINANCING ACTIVITIES
Issuance of debt	0	15,000
Repayment of debt	0	(15,000)
Dividends paid	0	0
Proceeds from the issuance of common shares	0	0
Excess tax benefits on stock-based compensation	7,399	4,234
Debt issuance costs		0
Repurchase of common shares	0	0
Intercompany distributions	159,946	9,669
CASH PROVIDED BY (USED FOR) FINANCING ACTIVITIES	167,345	13,903
EFFECT OF EXCHANGE RATE CHANGES ON CASH	(174)	219
CASH AND CASH EQUIVALENTS
Change in cash and cash equivalents	135,516	31,418
Balance, beginning of year	4,384	9,650
Balance, end of period	139,900	41,068
Senior Exchangeable Notes due 2015 [Member] [Domain] | Consolidation, Eliminations [Member]
Statement of Cash Flows [Abstract]
CASH PROVIDED BY (USED FOR) OPERATING ACTIVITIES	(537,456)	(39,000)
INVESTING ACTIVITIES
Capital Expenditures	0	0
Purchase of additional interest in New Zealand joint venture	0
Purchase of timberlands	0	0
Intercompany purchase of real estate	(984)
Jesup mill cellulose specialties expansion	0	0
Proceeds from disposition of Wood Products business	0
Change in restricted cash	0	0
Investment in Subsidiaries	525,837	(44,617)
Other	0	0
CASH (USED FOR) PROVIDED BY INVESTING ACTIVITIES	(524,853)	(44,617)
FINANCING ACTIVITIES
Issuance of debt	0	0
Repayment of debt	0	0
Dividends paid	0	0
Proceeds from the issuance of common shares	0	0
Excess tax benefits on stock-based compensation	0	0
Debt issuance costs		0
Repurchase of common shares	0	0
Intercompany distributions	12,603	(5,617)
CASH PROVIDED BY (USED FOR) FINANCING ACTIVITIES	12,603	(5,617)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	0	0
CASH AND CASH EQUIVALENTS
Change in cash and cash equivalents	0	0
Balance, beginning of year	0	0
Balance, end of period	0	0
Senior Notes due 2022 at a fixed interest rate of 3.75% [Member] | Guarantor Subsidiaries [Member]
Statement of Cash Flows [Abstract]
CASH PROVIDED BY (USED FOR) OPERATING ACTIVITIES	247,599	54,346
INVESTING ACTIVITIES
Capital Expenditures	(89)	(165)
Purchase of additional interest in New Zealand joint venture	0
Purchase of timberlands	0	0
Intercompany purchase of real estate	0
Jesup mill cellulose specialties expansion	0	0
Proceeds from disposition of Wood Products business	0
Change in restricted cash	0	0
Investment in Subsidiaries	(387,659)	39,436
Other	1,700	(69)
CASH (USED FOR) PROVIDED BY INVESTING ACTIVITIES	386,048	39,670
FINANCING ACTIVITIES
Issuance of debt	280,000	15,000
Repayment of debt	(23,087)	(53,110)
Dividends paid	0	0
Proceeds from the issuance of common shares	0	0
Excess tax benefits on stock-based compensation	0	0
Debt issuance costs	0	0
Repurchase of common shares	0	0
Intercompany distributions	(108,549)	5,181
CASH PROVIDED BY (USED FOR) FINANCING ACTIVITIES	148,364	(32,929)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	0	0
CASH AND CASH EQUIVALENTS
Change in cash and cash equivalents	9,915	(18,253)
Balance, beginning of year	23,324	68,953
Balance, end of period	33,239	50,700
Senior Notes due 2022 at a fixed interest rate of 3.75% [Member] | Non-Guarantor Subsidiaries [Member]
Statement of Cash Flows [Abstract]
CASH PROVIDED BY (USED FOR) OPERATING ACTIVITIES	212,977	181,124
INVESTING ACTIVITIES
Capital Expenditures	(94,037)	(76,081)
Purchase of additional interest in New Zealand joint venture	(139,879)
Purchase of timberlands	(10,447)	(8,687)
Intercompany purchase of real estate	(984)
Jesup mill cellulose specialties expansion	(100,185)	(63,998)
Proceeds from disposition of Wood Products business	72,953
Change in restricted cash	7,603	(14,427)
Investment in Subsidiaries	0	0
Other	18,376	(635)
CASH (USED FOR) PROVIDED BY INVESTING ACTIVITIES	244,632	163,828
FINANCING ACTIVITIES
Issuance of debt	0	15,000
Repayment of debt	0	(15,000)
Dividends paid	0	0
Proceeds from the issuance of common shares	0	0
Excess tax benefits on stock-based compensation	7,399	4,234
Debt issuance costs	0	0
Repurchase of common shares	0	0
Intercompany distributions	159,946	9,669
CASH PROVIDED BY (USED FOR) FINANCING ACTIVITIES	167,345	13,903
EFFECT OF EXCHANGE RATE CHANGES ON CASH	(174)	219
CASH AND CASH EQUIVALENTS
Change in cash and cash equivalents	135,516	31,418
Balance, beginning of year	4,384	9,650
Balance, end of period		41,068
Senior Notes due 2022 at a fixed interest rate of 3.75% [Member] | Consolidation, Eliminations [Member]
Statement of Cash Flows [Abstract]
CASH PROVIDED BY (USED FOR) OPERATING ACTIVITIES	(473,456)	(29,767)
INVESTING ACTIVITIES
Capital Expenditures	0	0
Purchase of additional interest in New Zealand joint venture	0
Purchase of timberlands	0	0
Intercompany purchase of real estate	984
Jesup mill cellulose specialties expansion	0	0
Proceeds from disposition of Wood Products business	0
Change in restricted cash	0	0
Investment in Subsidiaries	525,837	(44,617)
Other	0	0
CASH (USED FOR) PROVIDED BY INVESTING ACTIVITIES	(524,853)	(44,617)
FINANCING ACTIVITIES
Issuance of debt	0	0
Repayment of debt	0	0
Dividends paid	0	0
Proceeds from the issuance of common shares	0	0
Excess tax benefits on stock-based compensation	0	0
Debt issuance costs	0	0
Repurchase of common shares	0	0
Intercompany distributions	(51,397)	(14,850)
CASH PROVIDED BY (USED FOR) FINANCING ACTIVITIES	(51,397)	(14,850)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	0	0
CASH AND CASH EQUIVALENTS
Change in cash and cash equivalents	0	0
Balance, beginning of year	0	0
Balance, end of period	$ 0	$ 0