Consolidated Condensed Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 34,669	$ 10,131
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	12,025	10,969
Basis of real estate sold	907	1,242
Change in deferred taxes	(338)	6,638
Employee benefit plans	3,484	339
Equity-based compensation expense	2,101	1,998
Other, net	(61)	29
Funding of qualified pension plans	0	(21,630)
Working capital changes	(11,272)	2,644
Net cash provided by operating activities	41,515	12,360
CASH FLOWS FROM INVESTING ACTIVITIES
Decrease in short-term investments	19,032	21,343
Proceeds from company owned life insurance (COLI) loan	0	21,751
Additions to property, plant and equipment	(5,792)	(2,412)
Additions to timber and timberlands	(4,683)	(4,308)
Other, net	(654)	(690)
Net cash provided by investing activities	7,903	35,684
CASH FLOWS FROM FINANCING ACTIVITIES
Distributions to common stockholders	(25,115)	(25,006)
Repayment of long-term debt	(36,663)	(21,662)
Issuance of common stock	1,798	63
Change in book overdrafts	1,723	1,048
Employee tax withholdings on equity-based compensation	(1,700)	(1,714)
Other, net	(40)	(44)
Net cash used for financing activities	(59,997)	(47,315)
Increase (decrease) in cash	(10,579)	729
Cash at beginning of period	16,985	7,819
Cash at end of period	6,406	8,548
Cash paid (received) during the period for:
Interest, net of amount capitalized	11,673	12,120
Income taxes, net	11,890	(62)
Non-cash investing activity:
Additions to timber and timberlands	$ 0	$ 60