Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating activities:
Net income	$ 6,966	$ 23,641	$ 70,086
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	41,471	42,188	41,115
(Gain) loss on asset sales and disposals	446	(5,941)	3,039
Change in accounts receivable	7,187	3,076	(11,210)
Change in inventories	(10,969)	(221)	(6,654)
Change in accounts payable	6,285	403	4,955
Accrued interest and amortization of discounts, warrants and finance fees	(6,433)	3,047	17,391
Call premium on senior notes and floating rate notes	23,602	1,203	8,415
Write-off of finance fee & discounts on senior notes, floating rate notes and ABL	10,975	1,600	4,986
Gain on redemption of PIK notes	0	0	(71,693)
Payment of interest on PIK notes	0	0	(29,400)
Pension & non-pension postretirement benefits	(76,344)	(9,074)	5,200
Restructuring charges	0	(828)	811
Accrued liabilities & prepaid expenses	322	1,917	3,344
Income taxes	1,628	(11,200)	1,801
Share-based compensation expense	3,321	5,016	3,496
Other operating activities	40	524	2,017
Net cash provided by operating activities	8,497	55,351	47,699
Investing activities:
Additions to property, plant and equipment	(32,720)	(41,420)	(28,247)
Net proceeds from sale of Traex	0	12,478	0
Proceeds from asset sales and other	647	5,222	0
Net cash used in investing activities	(32,073)	(23,720)	(28,247)
Financing activities:
Other repayments	(23,116)	(14,108)	(10,610)
Other borrowings	1,234	365	215
PIK note payment	0	0	(51,031)
Call premium on 10% senior notes and floating rate notes	(23,602)	(1,203)	(8,415)
Proceeds from exercise of warrants	0	5,459	0
Stock options exercised	1,231	482	57
Debt issuance costs and other	(13,475)	(463)	(14,256)
Net cash provided by (used in) financing activities	32,272	(49,468)	2,288
Effect of exchange rate fluctuations on cash	221	(130)	(571)
Increase (decrease) in cash	8,917	(17,967)	21,169
Cash & cash equivalents at beginning of year	58,291	76,258	55,089
Cash & cash equivalents at end of year	67,208	58,291	76,258
Supplemental disclosure of cash flow information:
Cash paid during the year for interest	44,105	40,025	27,822
Cash paid during the year for income taxes	3,402	10,230	8,830
New Senior Secured Notes
Financing activities:
Proceeds from senior notes	450,000	0	0
Old Senior Secured Notes
Financing activities:
Proceeds from senior notes	0	0	392,328
Payments on senior notes	(360,000)	(40,000)	0
Floating Rate Senior Secured Notes
Financing activities:
Payments on senior notes	$ 0	$ 0	$ (306,000)