Selected Quarterly Data (Unaudited) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2014		Sep. 30, 2014		Jun. 30, 2014		Mar. 31, 2014		Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Quarterly Financial Data [Abstract]
Net Sales	$ 231,466		$ 245,469		$ 249,492		$ 253,410		$ 233,229		$ 253,713		$ 273,410		$ 292,714		$ 979,837	$ 1,053,066	$ 1,270,368
Gross Profit	8,890	[1]	20,213	[1]	14,647	[1]	23,041	[1]	20,365	[1]	25,747	[1]	29,496	[1]	31,128	[1]
Net (loss) income	(39,080)	[2]	(7,325)	[2]	(72,298)	[2]	(15,998)	[2]	(12,630)	[2]	(6,911)	[2]	(3,799)	[2]	(10,622)	[2]	(134,701)	(33,962)	(9,748)
Basic (loss) earnings per share	$ (1.62)		$ (0.31)		$ (3.10)		$ (0.69)		$ (0.54)		$ (0.30)		$ (0.16)		$ (0.46)		$ (5.77)	$ (1.46)	$ (0.42)
Diluted (loss) earnings per share	$ (1.62)		$ (0.31)		$ (3.10)		$ (0.69)		$ (0.54)		$ (0.30)		$ (0.16)		$ (0.46)		$ (5.77)	$ (1.46)	$ (0.42)
Common stock dividends declared	0		0		0		0		0		0		0		0
Goodwill, Impairment Loss					$ 56,160												$ 56,160	$ 0	$ 0

[1] Gross profit equals net sales less cost of materials, warehouse, processing, and delivery costs and depreciation and amortization expense.

[2] Results include restructuring activity for all quarters presented and a $56,160 goodwill impairment charge for second quarter of 2014