Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net sales	$ 164,151	$ 184,676	$ 199,703	$ 222,228	$ 231,466	$ 245,469	$ 249,492	$ 253,410	$ 770,758	$ 979,837	$ 1,053,066
Costs and expenses:
Cost of materials (exclusive of depreciation and amortization)									674,615	750,408	788,126
Warehouse, processing and delivery expense									114,734	140,559	140,934
Sales, general and administrative expense									95,479	112,465	113,405
Restructuring expense (income)									9,008	(2,960)	9,003
Depreciation and amortization expense									24,854	26,044	26,188
Impairment of Intangible Assets, Finite-lived									33,742	0	0
Impairment of goodwill									0	56,160	0
Total Costs and Expenses									952,432	1,082,676	1,077,656
Operating loss									(181,674)	(102,839)	(24,590)
Interest expense, net									41,980	40,548	40,542
Loss Extinguishment of Debt									0	0	2,606
Other expense, net									6,306	4,323	1,924
Loss before income taxes and equity in earnings (losses) of joint venture									(229,960)	(147,710)	(69,662)
Income tax benefit									(21,621)	(20,631)	(23,142)
Loss before equity in earnings (losses) of joint venture									(208,339)	(127,079)	(46,520)
Equity in earnings (losses) of joint venture									(1,426)	7,691	6,987
Net loss	$ (119,717)	$ (27,800)	$ (46,808)	$ (15,440)	$ (29,684)	$ (8,028)	$ (67,066)	$ (14,610)	$ (209,765)	$ (119,388)	$ (39,533)
Earnings per share
Basic loss per share	$ (5.08)	$ (1.18)	$ (1.99)	$ (0.66)	$ (1.27)	$ (0.34)	$ (2.87)	$ (0.63)	$ (8.91)	$ (5.11)	$ (1.70)
Diluted loss per share	$ (5.08)	$ (1.18)	$ (1.99)	$ (0.66)	$ (1.27)	$ (0.34)	$ (2.87)	$ (0.63)	$ (8.91)	$ (5.11)	$ (1.70)
Comprehensive loss:
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax									$ (6,642)	$ (5,377)	$ (2,295)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax									9,937	(12,996)	4,623
Other comprehensive (loss) income									3,295	(18,373)	2,328
Net loss	$ (119,717)	$ (27,800)	$ (46,808)	$ (15,440)	$ (29,684)	$ (8,028)	$ (67,066)	$ (14,610)	(209,765)	(119,388)	(39,533)
Total comprehensive loss									$ (206,470)	$ (137,761)	$ (37,205)