Condensed Consolidated Statement of Operations and Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Net sales	$ 249,492	$ 273,410	$ 502,902	$ 566,124
Costs and expenses:
Cost of materials (exclusive of depreciation and amortization)	191,565	201,461	380,096	420,892
Warehouse, processing and delivery expense	36,747	35,820	72,128	71,404
Sales, general and administrative expense	29,471	27,666	59,095	57,542
Restructuring charges	907	5,593	1,646	7,818
Depreciation and amortization expense	6,533	6,633	12,990	13,204
Goodwill, Impairment Loss	56,160	0	56,160	0
Operating loss	(71,891)	(3,763)	(79,213)	(4,736)
Interest expense, net	(9,888)	(10,090)	(19,840)	(20,278)
Other income (expense)	1,590	745	908	(1,554)
Loss before income taxes and equity in earnings of joint venture	(80,189)	(13,108)	(98,145)	(26,568)
Income taxes	6,097	7,815	6,148	9,184
Loss before equity in earnings of joint venture	(74,092)	(5,293)	(91,997)	(17,384)
Equity in earnings of joint venture	1,794	1,494	3,701	2,963
Net loss	(72,298)	(3,799)	(88,296)	(14,421)
Basic loss per share	$ (3.10)	$ (0.16)	$ (3.78)	$ (0.62)
Diluted loss per share	$ (3.10)	$ (0.16)	$ (3.78)	$ (0.62)
Dividends per common share	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Comprehensive loss	$ (71,003)	$ (5,987)	$ (87,163)	$ (16,231)