Consolidated Statements of Operations and Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Comprehensive Income [Abstract]
Net sales	$ 1,053,066	$ 1,270,368	$ 1,132,366
Costs and expenses:
Cost of materials (exclusive of depreciation and amortization)	779,208	927,287	845,609
Warehouse, processing and delivery expense	140,934	148,256	134,898
Sales, general and administrative expense	113,405	129,162	125,526
RestructuringChargesExcludingRestructuringChargesRecordedInCostOfMaterials	9,003	0	0
Depreciation and amortization expense	26,188	25,867	20,472
Operating (loss) income	(15,672)	39,796	5,861
Interest expense, net	(40,542)	(41,090)	(9,663)
Interest expense - unrealized loss on debt conversion option	0	(15,597)	(3,991)
Loss on extinguishment of debt	(2,606)	0	(6,153)
Other Nonoperating (Expense) Income	(1,924)	1,349	(667)
Loss before income taxes and equity in earnings of joint venture	(60,744)	(15,542)	(14,613)
Income taxes	19,795	(1,430)	1,126
Loss before equity in earnings of joint venture	(40,949)	(16,972)	(13,487)
Equity in earnings of joint venture	6,987	7,224	11,727
Net loss	(33,962)	(9,748)	(1,760)
Earnings per share
Basic loss per share	$ (1.46)	$ (0.42)	$ (0.08)
Diluted loss per share	$ (1.46)	$ (0.42)	$ (0.08)
Dividends per common share	$ 0.00	$ 0.00	$ 0.00
Comprehensive income (loss):
Foreign currency translation (losses) gains	(2,295)	2,369	(941)
Unrecognized pension and postretirement benefit credits (costs), net of tax benefit of $2,953, $2,312 and $1,965	4,623	(3,616)	(3,071)
Other comprehensive income (loss)	2,328	(1,247)	(4,012)
Net loss	(33,962)	(9,748)	(1,760)
Total comprehensive loss	$ (31,634)	$ (10,995)	$ (5,772)