Consolidated Statements of Cash Flows - USD ($) $ in Thousands	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2017	Aug. 31, 2017	Dec. 31, 2016
Operating activities:
Net (loss) income	$ (13,327)
Less: Income from discontinued operations, net of income taxes	0
(Loss) income from continuing operations	(13,327)
Adjustments to reconcile loss from continuing operations to net cash used in operating activities of continuing operations:
Depreciation and amortization	3,213
Amortization of deferred financing costs and debt discount	1,958
Debt restructuring loss, net	0
Loss from lease termination	0
Unrealized (gain) loss on embedded debt conversion option	(2,352)
Noncash interest paid in kind	3,865
Noncash reorganization items, net	0
Loss on sale of property, plant & equipment	26
Unrealized gains on commodity hedges	0
Unrealized foreign currency transaction (gain) loss	(1,709)
Equity in losses of joint venture	0
Deferred income taxes	(3,437)
Non-cash compensation expense	866
Other, net	634
Changes in assets and liabilities:
Accounts receivable	(2,205)
Inventories	(1,978)
Prepaid expenses and other current assets	752
Other noncurrent assets	324
Prepaid pension costs	(1,395)
Accounts payable	(4,548)
Accrued payroll and employee benefits	945
Income tax payable and receivable	(828)
Accrued and other current liabilities	(773)
Postretirement benefit obligations and other noncurrent liabilities	(585)
Net cash used in operating activities of continuing operations	(20,554)
Net cash used in operating activities of discontinued operations	0
Net cash used in operating activities	(20,554)
Investing activities:
Proceeds from sale of investment in joint venture	0
Capital expenditures	(3,742)
Proceeds from sale of property, plant and equipment	31
Cash collateralization of letters of credit	0
Net cash (used in) from investing activities of continuing operations	(3,711)
Net cash from investing activities of discontinued operations	0
Net cash (used in) from investing activities	(3,711)
Financing activities:
Short-term borrowings, net	1,720
Proceeds from long-term debt including credit facilities	22,973
Repayments of long-term debt including credit facilities	(25)
Payments of debt restructuring costs	0
Payments of debt issue costs	0
Payments of build-to-suit liability	0
Net cash from (used in) financing activities	24,668
Effect of exchange rate changes on cash and cash equivalents	637
Net change in cash and cash equivalents	1,040
Cash and cash equivalents—beginning of period	10,064
Cash and cash equivalents—end of period	11,104	$ 10,064
Predecessor
Operating activities:
Net (loss) income		36,190	$ (107,982)
Less: Income from discontinued operations, net of income taxes		0	6,108
(Loss) income from continuing operations		36,190	(114,090)
Adjustments to reconcile loss from continuing operations to net cash used in operating activities of continuing operations:
Depreciation and amortization		10,150	16,378
Amortization of deferred financing costs and debt discount		3,810	4,798
Debt restructuring loss, net		0	8,617
Loss from lease termination		0	2,200
Unrealized (gain) loss on embedded debt conversion option		146	(10,450)
Noncash interest paid in kind		0	0
Noncash reorganization items, net		(87,107)	0
Loss on sale of property, plant & equipment		7	1,874
Unrealized gains on commodity hedges		0	(1,015)
Unrealized foreign currency transaction (gain) loss		(4,439)	4,506
Equity in losses of joint venture		0	4,141
Deferred income taxes		(953)	(4,354)
Non-cash compensation expense		630	1,154
Other, net		537	(80)
Changes in assets and liabilities:
Accounts receivable		(6,061)	6,100
Inventories		(2,703)	65,712
Prepaid expenses and other current assets		(3,100)	1,358
Other noncurrent assets		1,664	1,993
Prepaid pension costs		(849)	(59)
Accounts payable		8,602	(8,449)
Accrued payroll and employee benefits		(2,670)	300
Income tax payable and receivable		(340)	(105)
Accrued and other current liabilities		(3,332)	(6,514)
Postretirement benefit obligations and other noncurrent liabilities		(471)	(3,063)
Net cash used in operating activities of continuing operations		(50,289)	(29,048)
Net cash used in operating activities of discontinued operations		0	(5,914)
Net cash used in operating activities		(50,289)	(34,962)
Investing activities:
Proceeds from sale of investment in joint venture		0	31,550
Capital expenditures		(2,850)	(3,499)
Proceeds from sale of property, plant and equipment		619	3,265
Cash collateralization of letters of credit		7,492	(7,968)
Net cash (used in) from investing activities of continuing operations		5,261	23,348
Net cash from investing activities of discontinued operations		0	53,570
Net cash (used in) from investing activities		5,261	76,918
Financing activities:
Short-term borrowings, net		3,797	0
Proceeds from long-term debt including credit facilities		195,026	722,547
Repayments of long-term debt including credit facilities		(175,414)	(725,821)
Payments of debt restructuring costs		0	(9,802)
Payments of debt issue costs		(1,831)	(2,472)
Payments of build-to-suit liability		(3,000)	(932)
Net cash from (used in) financing activities		18,578	(16,480)
Effect of exchange rate changes on cash and cash equivalents		890	(952)
Net change in cash and cash equivalents		(25,560)	24,524
Cash and cash equivalents—beginning of period	$ 10,064	35,624	11,100
Cash and cash equivalents—end of period		$ 10,064	$ 35,624