Condensed Consolidated Statement of Operations and Comprehensive Loss - USD ($) $ in Thousands		3 Months Ended			6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017		Jun. 30, 2018	Jun. 30, 2017
Net sales		$ 150,414			$ 296,287
Costs and expenses:
Cost of materials (exclusive of depreciation and amortization)		111,061			220,965
Warehouse, processing and delivery expense		21,165			41,520
Sales, general and administrative expense		16,974			33,522
Restructuring expense		0			0
Depreciation and amortization expense		2,362			4,738
Total costs and expenses		151,562			300,745
Operating loss		(1,148)			(4,458)
Interest expense, net		8,129			15,255
Financial restructuring expense		0			0
Unrealized loss on embedded debt conversion option		0			0
Other expense (income), net		673			(4,101)
Reorganization items, net		0			0
Loss before income taxes		(9,950)			(15,612)
Income tax (benefit) expense		(1,437)			(1,958)
Net loss		$ (8,513)			$ (13,654)
Basic and diluted loss per common share		$ (4.26)			$ (6.83)
Comprehensive loss:
Change in unrecognized pension and postretirement benefit costs, net of tax		$ 0			$ 0
Foreign currency translation adjustments, net of tax		(1,124)			(1,999)
Comprehensive loss		$ (9,637)			$ (15,653)
Predecessor
Net sales	[1]		$ 136,482			$ 272,408
Costs and expenses:
Cost of materials (exclusive of depreciation and amortization)	[1]		102,052			203,089
Warehouse, processing and delivery expense	[1]		19,318			38,037
Sales, general and administrative expense	[1]		15,215			30,311
Restructuring expense	[1]		40			168
Depreciation and amortization expense	[1]		3,895			7,759
Total costs and expenses	[1]		140,520			279,364
Operating loss	[1]		(4,038)			(6,956)
Interest expense, net	[1]		11,274			23,220
Financial restructuring expense	[1]		5,723			6,600
Unrealized loss on embedded debt conversion option	[1]		0			146
Other expense (income), net	[1]		(4,067)			(6,399)
Reorganization items, net			5,502			5,502
Loss before income taxes			(22,470)	[1]		(36,025)
Income tax (benefit) expense			71	[1]		8
Net loss	[1]		$ (22,541)			$ (36,033)
Basic and diluted loss per common share	[1]		$ (0.70)			$ (1.12)
Comprehensive loss:
Change in unrecognized pension and postretirement benefit costs, net of tax	[1]		$ 214			$ 428
Foreign currency translation adjustments, net of tax	[1]		(685)			(1,685)
Comprehensive loss			$ (23,012)	[1]		$ (37,290)

[1] * Adjusted due to the adoption of ASU No. 2017-07, "Compensation – Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost." See Note 3 - New Accounting Standards, for additional information.