Consolidated Condensed Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 70,581	$ 42,594	$ 40,266
Adjustments to reconcile net income to net cash from operating activities:
Depreciation, depletion and amortization	26,962	26,247	29,092
Basis of real estate sold	2,904	5,048	10,219
Deferred income taxes	(2,467)	15,992	4,218
Employee benefit plans	7,561	4,317	(2,181)
Equity-based compensation expense	4,377	4,067	4,404
Other, net	(1,972)	599	1,104
Change in receivables	(5,904)	2,865	7,745
Change in inventories	(7,347)	(325)	(4,228)
Change in prepaid expenses and other assets	1,668	(1,459)	(8)
Change in accounts payable and accrued liabilities	(3,468)	163	(4,116)
Funding of qualified pension plans	0	(21,630)	(9,400)
Operating related activities	(2,643)	1,503	310
Net cash from operating activities	90,252	79,981	77,425
CASH FLOWS FROM INVESTING ACTIVITIES
Change in short-term investments	10,826	(88)	22,260
Proceeds from company owned life insurance (COLI) loan	0	21,751	0
Additions to property, plant and equipment	(10,280)	(5,636)	(5,338)
Additions to timber and timberlands	(13,373)	(23,552)	(11,548)
Other, net	823	(1,122)	(871)
Net cash from investing activities	(12,004)	(8,647)	4,503
CASH FLOWS FROM FINANCING ACTIVITIES
Distributions to common stockholders	(51,868)	(50,041)	(73,921)
Repayment of long-term debt	(36,663)	(21,662)	(5,011)
Proceeds from issuance of long-term debt	0	12,000	0
Issuance of common stock	1,904	1,075	1,430
Change in book overdrafts	(955)	462	157
Deferred financing costs	(25)	(2,148)	(698)
Employee tax withholdings on vested performance share awards	(1,738)	(1,714)	(1,641)
Other, net	(302)	(140)	(18)
Net cash from financing activities	(89,647)	(62,168)	(79,702)
Increase (decrease) in cash	(11,399)	9,166	2,226
Cash at beginning of year	16,985	7,819	5,593
Cash at end of year	5,586	16,985	7,819
Cash paid (received) during the year for:
Interest	22,229	23,884	25,241
Income taxes, net	$ 20,097	$ 53	$ (5,984)