Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash Flows from Operating Activities:
Consolidated net loss	$ (23,153)	$ (29,329)
Adjustments to reconcile consolidated net loss to net cash provided by operating activities:
Depreciation, depletion and amortization	42,466	43,043
Stock-based compensation expense	1,409	1,245
Gains on divestitures and sales of assets	(1,106)	(662)
Deferred income taxes	(5,063)	3,393
Excess tax benefits from stock-based compensation transactions	(636)	(629)
Other items, net	1,223	719
Changes in operating assets and liabilities, net of effects of acquisitions and divestitures:
Accounts receivable, net	2,834	20,273
Inventories, net	(7,411)	(14,606)
Accounts payable	(4,825)	(6,457)
Other assets and liabilities, net	874	1,585
Net Cash Provided by Operating Activities	6,612	18,575
Cash Flows from Investing Activities:
Additions to property, plant and equipment	(36,913)	(21,880)
Acquisitions, net	(50)	(2,629)
Proceeds from divestitures and sales of assets	1,401	1,580
Net Cash Used for Investing Activities	(35,562)	(22,929)
Cash Flows from Financing Activities:
Borrowings of long-term debt	60,000	60,000
Repayments of long-term debt	(23,125)	(29,400)
Payments on capital lease obligations	(525)
Change in bank overdraft	(2,556)
Dividends paid	(18,604)	(18,503)
Issuances of common stock	6,488	3,494
Excess tax benefits from stock-based compensation transactions	636	629
Net Cash Provided by Financing Activities	22,314	16,220
Net (Decrease) Increase in Cash and Cash Equivalents	(6,636)	11,866
Cash and Cash Equivalents, beginning of period	42,437	25,394
Cash and Cash Equivalents, end of period	35,801	37,260
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest	1,633	1,906
Cash paid (refunds) for income taxes	$ 53	$ (7,055)