Condensed Consolidated Statement of Operations and Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Statement of Comprehensive Income [Abstract]
Net sales	$ 222,228	$ 253,410
Costs and expenses:
Cost of materials (exclusive of depreciation and amortization)	168,111	188,531
Warehouse, processing and delivery expense	27,031	35,381
Sales, general and administrative expense	25,535	29,624
Restructuring activity, net	831	739
Depreciation and amortization expense	6,355	6,457
Operating loss	(5,635)	(7,322)
Interest expense, net	(10,546)	(9,952)
Other expense, net	(6,225)	(682)
Loss before income taxes and equity in earnings of joint venture	(22,406)	(17,956)
Income taxes	825	51
Loss before equity in earnings of joint venture	(21,581)	(17,905)
Equity in earnings of joint venture	875	1,907
Net loss	(20,706)	(15,998)
Basic loss per share	$ (0.88)	$ (0.69)
Diluted loss per share	$ (0.88)	$ (0.69)
Dividends per common share	$ 0.00	$ 0.00
Comprehensive loss	$ (23,998)	$ (16,160)