Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Operating activities:
Net income (loss)	$ 14,861	$ 7,127	$ 5,359	$ 21,532
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	10,073	10,357	30,897	32,265
(Gain) loss on asset sales and disposals	127	347	294	(6,449)
Change in accounts receivable	(6,023)	2,989	(6,497)	(1,813)
Change in inventories	(3,006)	(5,084)	(25,097)	(24,156)
Change in accounts payable	(7,499)	(7,855)	(12,087)	(7,183)
Accrued interest and amortization of discounts, warrants and finance fees	8,186	(7,135)	532	(6,309)
Call premium on 10% senior notes			23,602	1,203
Write-off of finance fees & discounts on senior notes and ABL			10,975	1,600
Pension & non-pension postretirement benefits	1,241	(11,530)	(81,338)	(8,586)
Restructuring charges	0	(262)	0	(828)
Accrued liabilities & prepaid expenses	9,770	3,673	7,742	4,882
Income taxes	(921)	2,578	(1,041)	(7,168)
Share-based compensation expense	601	2,398	2,466	4,365
Other operating activities	479	(2,293)	563	(1,211)
Net cash provided by (used in) operating activities	27,889	(4,690)	(43,630)	2,144
Investing activities:
Additions to property, plant and equipment	(5,412)	(8,059)	(17,244)	(26,457)
Net proceeds from sale of Traex	0	158	0	13,000
Proceeds from asset sales and other	131	65	550	5,264
Net cash provided by (used in) investing activities	(5,281)	(7,836)	(16,694)	(8,193)
Financing activities:
Net borrowings (repayments) on ABL credit facility	0	(2,105)
Other repayments	(9,551)	(4,673)	(19,513)	(4,770)
Other borrowings	1,234	0	1,234	0
Proceeds from 6.875% senior notes			450,000	0
Payments on 10% senior notes			(360,000)	(40,000)
Call premium on 10% senior notes			(23,602)	(1,203)
Stock options exercised	253	0	293	478
Debt issuance costs and other	(880)	(19)	(13,034)	(462)
Net cash provided by (used in) financing activities	(8,944)	(6,797)	35,378	(45,957)
Effect of exchange rate fluctuations on cash	106	(403)	2	331
Increase (decrease) in cash	13,770	(19,726)	(24,944)	(51,675)
Cash at beginning of period	19,577	44,309	58,291	76,258
Cash at end of period	33,347	24,583	33,347	24,583
Supplemental disclosure of cash flows information:
Cash paid during the period for interest	376	17,661	28,601	38,971
Cash paid during the period for income taxes	$ 875	$ 1,001	$ 2,066	$ 8,689