Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operating activities:
Net loss	$ (134,701)	$ (33,962)	$ (9,748)
Adjustments to reconcile net loss to net cash (used in) from operating activities:
Depreciation and amortization	26,044	26,188	25,867
Amortization of deferred gain	(261)	(1,214)	(1,619)
Amortization of deferred financing costs and debt discount	8,064	7,914	6,232
Goodwill, Impairment Loss	56,160	0	0
(Gain) loss on sale of property, plant & equipment	(5,603)	42	354
Unrealized loss on debt conversion option	0	0	15,597
Unrealized (gains) losses on commodity hedges	(1,256)	358	163
Unrealized foreign currency transaction losses	3,540	0	0
Equity in earnings of joint venture	(7,691)	(6,987)	(7,224)
Dividends from joint venture	12,127	3,963	4,729
Deferred tax expense (benefit)	184	(24,089)	(1,284)
Share-based compensation expense	1,972	3,062	2,277
Excess tax benefits from share-based payment arrangements	(76)	(420)	(90)
Increase (decrease) from changes in, net of acquisition:
Accounts receivable	(5,785)	9,279	44,570
Inventories	(26,941)	87,316	(29,340)
Prepaid expenses and other current assets	(60)	1,402	(2,397)
Other assets	1,686	1,470	(480)
Prepaid pension costs	387	3,953	(2,863)
Accounts payable	2,630	(434)	(42,560)
Accrued payroll and employee benefits	(230)	(1,892)	(2,974)
Income taxes payable and receivable	(772)	4,388	454
Accrued liabilities	(3,493)	(2,854)	4,514
Postretirement benefit obligations and other liabilities	(1,002)	(3,098)	1,173
Net cash (used in) from operating activities	(75,077)	74,385	5,351
Investing activities:
Acquisition/Investment of businesses, net of cash acquired	0	0	(6,472)
Capital expenditures	(12,351)	(11,604)	(11,121)
Proceeds from sale of property, plant and equipment	7,464	794	153
Net cash used in investing activities	(4,887)	(10,810)	(17,440)
Financing activities:
Short-term debt repayments, net	0	(496)	(27)
Proceeds from long-term debt	462,404	115,300	767,090
Repayments of long-term debt	(403,811)	(170,345)	(762,887)
Payment of debt issue costs	(627)	0	(1,503)
Exercise of stock options	158	1,216	146
Excess tax benefits from share-based payment arrangements	76	420	90
Net cash from (used in) financing activities	58,200	(53,905)	2,909
Effect of exchange rate changes on cash and cash equivalents	(611)	(448)	263
Net change in cash and cash equivalents	(22,375)	9,222	(8,917)
Cash and cash equivalents—beginning of year	30,829	21,607	30,524
Cash and cash equivalents—end of year	$ 8,454	$ 30,829	$ 21,607