Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Schedule Of U.S. And Non-U.S. Components Of Income (Loss) Before Provision (Benefit) For Income Taxes

The following table summarizes the U.S. and non-U.S. components of income (loss) before provision (benefit) for income taxes:

	Predecessor						Successor
	For the Year Ended December 31, 2014			For the Period January 1  Through August 14, 2015			For the Period August 15 Through December 31, 2015			For the Year Ended December 31, 2016
	(Dollars in thousands)
U.S.	$	(127,707	)	$	(84,599	)	$	(16,827	)	$	(44,971	)
Non-U.S.	(30,603		)	(10,919		)	(4,916		)	(71,450		)
	$	(158,310	)	$	(95,518	)	$	(21,743	)	$	(116,421	)

Schedule Of Income Tax Expense (Benefit)

Income tax expense (benefit) consists of the following:

	Predecessor						Successor
	For the Year Ended December 31, 2014			For the Period January 1  Through August 14, 2015			For the Period August 15 Through December 31, 2015			For the Year Ended December 31, 2016
	(Dollars in thousands)
U.S income taxes:
Current	$	(1,261	)	$	(20	)	$	(52	)	$	(878	)
Deferred	(537		)	403			686			1,152
	(1,798		)	383			634			274
Non-U.S. income taxes:
Current	11,474			5,547			1,566			5,389
Deferred	(15,466		)	522			4,682			(13,215		)
	(3,992		)	6,069			6,248			(7,826		)
Total income tax benefit	$	(5,790	)	$	6,452		$	6,882		$	(7,552	)

Schedule Of Income Tax Expense (Benefit) Computed By Applying The U.S. Federal Income Tax Rate

Income tax expense (benefit) differed from the amounts computed by applying the U.S. federal income tax rate of 35% to income before provision (benefit) for income taxes as set forth in the following table:

	Predecessor						Successor
	For the Year Ended December 31, 2014			For the Period January 1  Through August 14, 2015			For the Period August 15 Through December 31, 2015			For the Year Ended December 31, 2016
	(Dollars in thousands)
Tax at statutory U.S. federal rate	$	(55,409	)	$	(33,431	)	$	(7,610	)	$	(40,747	)
U.S. valuation allowance, net	26,175			21,532			7,355			35,091
State taxes, net of federal tax benefit	(4,387		)	(2,005		)	(697		)	(2,324		)
U.S. tax return adjustments to     estimated taxes	(368		)	—			—			—
Resolution of uncertain tax positions	(513		)	71			64			(513		)
Adjustment for foreign income     taxed at different rates	10,408			11,136			7,120			12,738
U.S. tax credits	(1,000		)	—			—			—
Non-U.S. tax exemptions,     holidays and credits	—			(691		)	228			(175		)
Goodwill impairment	17,161			8,026			—			—
Capital loss expiration	2,422			—			—			—
Investment in subsidiary impairment     deduction	—			—			—			(10,111		)
Other	(279		)	1,814			422			(1,511		)
Total income tax (benefit) expense	$	(5,790	)	$	6,452		$	6,882		$	(7,552	)

Schedule Of Deferred Tax Assets And Deferred Tax Liabilities

The tax effects of temporary differences that give rise to significant components of the deferred tax assets and deferred tax liabilities at December 31, 2015, and December 31, 2016 are set forth in the following table:

	As of December 31,
	2015			2016
	(Dollars in thousands)
Deferred tax assets:
Fixed assets	$	10,128		$	41,677
Postretirement and other employee benefits	34,713			32,275
Foreign tax credit and other carryforwards	115,163			153,169
Capitalized research and experimental costs	21,592			18,146
Environmental reserves	4,273			4,237
Inventory	12,719			15,227
Original issue discount	—			6,461
Long-term contract option amortization	2,138			2,074
Provision for rationalization charges	5,967			7,498
Other	1,005			3,391
Total gross deferred tax assets	207,698			284,155
Less: valuation allowance	(165,539		)	(244,841		)
Total deferred tax assets	42,159			39,314
Deferred tax liabilities:
Fixed assets	$	64,278		$	47,346
Debt discount amortization / Deferred financing fees	7,666			6,544
Inventory	4,985			3,482
Goodwill and acquired intangibles	2,686			2,295
Other	4,647			2,751
Total deferred tax liabilities	84,262			62,418
Net deferred tax (liability) asset	$	(42,103	)	$	(23,104	)

Schedule Of Valuation Allowance Activity

Valuation allowance activity for the years ended December 31, 2014, 2015 and 2016 is as follows:

Predecessor	(Dollars in thousands)
Balance as of January 1, 2014	$	20,411
(Credited) / charged to income	74,157
Translation adjustment	(800		)
Changes attributable to movement in underlying assets	1,953
Balance at December 31, 2014	$	95,721
(Credited) / charged to income	29,363
Translation adjustment	(1,467		)
Changes attributable to movement in underlying assets	(8,168		)
Balance as of August 14, 2015	$	115,449
Successor
Balance as of August 15, 2015	$	115,449
(Credited) / charged to income	6,780
Translation adjustment	(101		)
Changes attributable to movement in underlying assets	43,411
Balance as of December 31, 2015	$	165,539
(Credited) / charged to income	78,469
Translation adjustment	583
Changes attributable to movement in underlying assets	250
Balance as of December 31, 2016	$	244,841

Reconciliation Of The Beginning And Ending Amount Of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:

Predecessor	(Dollars in thousands)
Balance at January 1	$	7,203
Additions based on tax positions related to the current year	268
Additions for tax positions of prior years	232
Reductions for tax positions of prior years	(1,204		)
Lapse of statutes of limitations	(1,180		)
Settlements	(1,503		)
Foreign currency impact	(106		)
Balance at December 31, 2014	$	3,710
Foreign currency impact	(21		)
Balance as of August 14, 2015	$	3,689
Successor
Balance as of August 15, 2015	$	3,689
Additions for tax positions of prior years	301
Foreign currency impact	(69		)
Balance as of December 31, 2015	$	3,921
Lapse of statutes of limitations	(603		)
Foreign currency impact	20
Balance as of December 31, 2016	$	3,338