Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016		Dec. 31, 2015	Dec. 31, 2014
Operating activities:
Net loss	$ (107,982)		$ (209,765)	$ (119,388)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	6,108		3,016	3,330
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	(114,090)		(212,781)	(122,718)
Adjustments to reconcile loss from continuing operations to net cash used in operating activities of continuing operations:
Depreciation and amortization	16,378		23,318	24,380
Amortization of deferred charges or gains	(83)		5	(261)
Amortization of deferred financing costs and debt discount	4,798		8,355	8,064
Debt Restructuring Costs, Net, Operating Activities	8,617		0	0
Loss on Contract Termination	2,200		0	0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Change in Unrealized Gain (Loss)	(10,450)	[1]	0	0
Impairment of Intangible Assets, Finite-lived	0		33,742	0
Impairment of goodwill	0		0	56,160
Non-cash write-down of Inventory	0		53,971	0
(Gain) loss on sale of property, plant & equipment	1,874		(21,568)	(5,603)
Unrealized (gains) losses on commodity hedges	(1,015)		(600)	(1,256)
Unrealized foreign currency transaction losses	4,506		5,385	3,540
Losses from equity method investments, net of cash payments	4,141		1,426	(7,691)
Dividends from joint venture	0		316	12,127
Pension Curtailment	0		2,923	0
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements	0		3,915	0
Deferred income taxes	(4,354)		(25,789)	(21,077)
Share-based compensation expense	1,154		828	1,972
Excess tax benefits from share-based payment arrangements	0		0	(76)
Other Operating Activities, Cash Flow Statement	3		0	0
Changes in assets and liabilities:
Accounts receivable	6,100		34,412	(4,706)
Inventories	65,712		64,019	(20,013)
Prepaid expenses and other current assets	1,358		(7,818)	(491)
Other non-current assets	1,993		(520)	1,686
Prepaid pension costs	(59)		2,675	387
Accounts payable	(8,449)		(7,072)	2,849
Accrued payroll and employee benefits	300		6,938	(230)
Income tax payable and receivable	(105)		2,083	(772)
Accrued Liabilities and Other Noncurrent Liabilities	(6,514)		845	(4,080)
Postretirement benefit obligations and other non-current liabilities	(3,063)		(1,762)	(1,002)
Net cash used in operating activities of continuing operations	(29,048)		(32,754)	(78,811)
Cash Provided by (Used in) Operating Activities, Discontinued Operations	(5,914)		10,621	3,734
Net Cash Provided by (Used in) Operating Activities	(34,962)		(22,133)	(75,077)
Investing activities:
Proceeds from Sale of Equity Method Investments	31,550		0	0
Capital expenditures	(3,499)		(7,171)	(11,184)
Proceeds from Sale of Property, Plant, and Equipment	3,265		28,631	7,464
Increase in Restricted Cash	(7,968)		0	0
Net cash from (used in) investing activities of continuing operations	23,348		21,460	(3,720)
Cash Provided by (Used in) Investing Activities, Discontinued Operations	53,570		(1,079)	(1,167)
Net Cash Provided by (Used in) Investing Activities	76,918		20,381	(4,887)
Financing activities:
Proceeds from long-term debt	722,547		967,035	462,404
Repayments of long-term debt	(725,821)		(960,962)	(403,811)
Payments of Debt Restructuring Costs	(9,802)		0	0
Payments of Debt Issuance Costs	2,472		0	627
Payments of Build to Suit Liability	(932)		(500)	0
Exercise of stock options	0		0	158
Excess tax benefits from share-based payment arrangements	0		0	76
Net cash (used in) from financing activities	(16,480)		5,573	58,200
Effect of exchange rate changes on cash and cash equivalents	(952)		(1,175)	(611)
Net change in cash and cash equivalents	24,524		2,646	(22,375)
Cash and cash equivalents—beginning of year	11,100		8,454	30,829
Cash and cash equivalents—end of year	$ 35,624		$ 11,100	$ 8,454

[1] Mark-to-market adjustment is recognized in unrealized gain on embedded debt conversion option in the Consolidated Statements of Operations and Comprehensive Loss for the year ended December 31, 2016.