Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating activities:
Net loss	$ (33,962)	$ (9,748)	$ (1,760)
Adjustments to reconcile net loss to net cash from (used in) operating activities:
Depreciation and amortization	26,188	25,867	20,472
Amortization of deferred gain	(1,214)	(1,619)	(503)
Amortization of deferred financing costs and debt discount	7,914	6,232	1,662
Loss on sale of fixed assets	42	354	120
Unrealized loss on debt conversion option	0	15,597	3,991
Unrealized losses on commodity hedges	358	163	2,331
Equity in earnings of joint venture	(6,987)	(7,224)	(11,727)
Dividends from joint venture	3,963	4,729	3,117
Deferred tax benefit	(24,089)	(1,284)	(3,333)
Share-based compensation expense	3,062	2,277	4,349
Excess tax benefits from share-based payment arrangements	(420)	(90)	(301)
Increase (decrease) from changes in, net of acquisition:
Accounts receivable	9,279	44,570	(26,446)
Inventories	87,316	(29,340)	(39,435)
Prepaid expenses and other current assets	1,402	(2,397)	(3,408)
Other assets	1,470	(480)	188
Prepaid pension costs	3,953	(2,863)	(2,412)
Accounts payable	(434)	(42,560)	9,910
Increase (Decrease) in Employee Related Liabilities	(1,892)	(2,974)	(2,470)
Income taxes payable and receivable	4,388	454	(820)
Accrued liabilities	(2,854)	4,514	(184)
Postretirement benefit obligations and other liabilities	(3,098)	1,173	371
Net cash from (used in) operating activities	74,385	5,351	(46,288)
Investing activities:
Acquisition/Investment of businesses, net of cash acquired	0	(6,472)	(174,244)
Capital expenditures	(11,604)	(11,121)	(11,744)
Other investing activities, net	794	153	799
Net cash used in investing activities	(10,810)	(17,440)	(185,189)
Financing activities:
Short-term (repayments) borrowings, net	(496)	(27)	653
Net (repayments) borrowings on previously existing revolving lines of credit	0	0	(26,403)
Proceeds from long-term debt, including new revolving credit facility	115,300	767,090	320,476
Repayments of long-term debt, including new revolving credit facility	(170,345)	(762,887)	(53,212)
Payment of debt issue costs	0	(1,503)	(16,633)
Exercise of stock options	1,216	146	356
Excess tax benefits from share-based payment arrangements	420	90	301
Net cash (used in) from financing activities	(53,905)	2,909	225,538
Effect of exchange rate changes on cash and cash equivalents	(448)	263	(253)
Net increase (decrease) in cash and cash equivalents	9,222	(8,917)	(6,192)
Cash and cash equivalents—beginning of year	21,607	30,524	36,716
Cash and cash equivalents—end of year	$ 30,829	$ 21,607	$ 30,524