Consolidated Condensed Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 36,620	$ 34,669
Adjustments to reconcile net income to net cash from operating activities:
Depreciation, depletion and amortization	11,002	12,025
Basis of real estate sold	6,834	907
Change in deferred taxes	536	(338)
Employee benefit plans	(267)	3,484
Employee equity-based compensation expense	2,032	2,101
Other, net	(1,161)	(61)
Working capital and operating related activities	12,836	(11,272)
Net cash from operating activities	68,432	41,515
CASH FLOWS FROM INVESTING ACTIVITIES
Change in short-term investments	(21,665)	19,032
Additions to property, plant and equipment	(6,508)	(5,792)
Additions to timber and timberlands	(5,887)	(4,683)
Other, net	334	(654)
Net cash from investing activities	(33,726)	7,903
CASH FLOWS FROM FINANCING ACTIVITIES
Distributions to common stockholders	(28,413)	(25,115)
Repayment of long-term debt	0	(36,663)
Exercises of stock options	15	1,798
Employee tax withholdings on equity-based compensation	(1,079)	(1,700)
Change in book overdrafts	(1,424)	1,723
Other, net	(139)	(40)
Net cash from financing activities	(31,040)	(59,997)
Change in cash	3,666	(10,579)
Cash at beginning of period	5,586	16,985
Cash at end of period	9,252	6,406
Cash paid during the period for:
Interest, net of amount capitalized	10,431	11,673
Income taxes, net	$ 6,546	$ 11,890