Consolidated Condensed Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 10,131	$ 16,145
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	10,969	13,824
Basis of real estate sold	1,242	10,573
Change in deferred taxes	6,638	4,283
Loss (gain) on disposition of property, plant and equipment	29	(54)
Employee benefit plans	339	(83)
Equity-based compensation expense	1,998	2,047
Proceeds from sales deposited with a like-kind exchange intermediary	(556)	0
Funding of qualified pension plans	(21,630)	(9,400)
Working capital changes	3,200	836
Net cash provided by operating activities	12,360	38,171
CASH FLOWS FROM INVESTING ACTIVITIES
Decrease in short-term investments	21,343	17,491
Proceeds from company owned life insurance (COLI) loan	21,751	0
Additions to property, plant and equipment	(2,412)	(2,993)
Additions To Timber And Timberlands	4,308	4,110
Proceeds from disposition of property, plant and equipment	5	133
Other, net	(695)	(852)
Net cash provided by investing activities	35,684	9,669
CASH FLOWS FROM FINANCING ACTIVITIES
Distributions to common stockholders	(25,006)	(40,963)
Payments on long-term debt	(21,662)	(5,008)
Issuance of common stock	63	1,230
Change in book overdrafts	1,048	647
Deferred financing costs	(30)	(343)
Employee tax withholdings on equity-based compensation	(1,714)	(1,605)
Other, net	(14)	(23)
Net cash used for financing activities	(47,315)	(46,065)
Increase in cash	729	1,775
Cash at beginning of period	7,819	5,593
Cash at end of period	8,548	7,368
Cash paid (received) during the year for:
Interest, net of amount capitalized	12,120	12,627
Income taxes, net	(62)	(5,993)
Non-cash investing activity:
Additions to timber and timberlands	$ 60	$ 341