Consolidated Statements of Operations and Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Statement of Comprehensive Income [Abstract]
Net sales	$ 979,837	$ 1,053,066	$ 1,270,368
Costs, expenses and (gains):
Cost of materials (exclusive of depreciation and amortization)	746,443	779,208	927,287
Warehouse, processing and delivery expense	140,559	140,934	148,256
Sales, general and administrative expense	112,465	113,405	129,162
Restructuring activity, net, excluding restructuring activity recorded in cost of materials	(2,960)	9,003	0
Depreciation and amortization expense	26,044	26,188	25,867
Goodwill, Impairment Loss	56,160	0	0
Operating (loss) income	(98,874)	(15,672)	39,796
Interest expense, net	(40,548)	(40,542)	(41,090)
Interest expense - unrealized loss on debt conversion option	0	0	(15,597)
Loss on extinguishment of debt	0	(2,606)	0
Other Nonoperating (Expense) Income	(4,323)	(1,924)	1,349
Loss before income taxes and equity in earnings of joint venture	(143,745)	(60,744)	(15,542)
Income taxes	1,353	19,795	(1,430)
Loss before equity in earnings of joint venture	(142,392)	(40,949)	(16,972)
Equity in earnings of joint venture	7,691	6,987	7,224
Net loss	(134,701)	(33,962)	(9,748)
Earnings per share
Basic loss per share	$ (5.77)	$ (1.46)	$ (0.42)
Diluted loss per share	$ (5.77)	$ (1.46)	$ (0.42)
Dividends per common share	$ 0.00	$ 0.00	$ 0.00
Comprehensive loss:
Foreign currency translation adjustments	(5,377)	(2,295)	2,369
Change in unrecognized pension and postretirement benefit costs, net of tax effect of $0, $2,953 and $2,312	(21,445)	4,623	(3,616)
Other comprehensive (loss) income	(26,822)	2,328	(1,247)
Net loss	(134,701)	(33,962)	(9,748)
Total comprehensive loss	$ (161,523)	$ (31,634)	$ (10,995)