Retirement Plans And Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2015

General Discussion of Pension and Other Postretirement Benefits [Abstract]

Components Of Consolidated Net Pension Costs Retirement Plans

The components of our consolidated net pension costs are set forth in the following table.

	Predecessor
	For the Year Ended December 31,
	2013						2014
	U.S.			Foreign			U.S.			Foreign
	(Dollars in thousands)
Service cost	$	870		$	1,177		$	750		$	1,107
Interest cost	5,438			2,542			5,983			2,669
Expected return on assets	(4,505		)	(2,339		)	(5,215		)	(2,516		)
Amortization of prior service cost	—			25			—			2
Curtailment gain	—			—			—			(28		)
Mark-to-market loss (gain)	(11,907		)	(393		)	18,431			(534		)
	$	(10,104	)	$	1,012		$	19,949		$	700

	Predecessor					Successor
	For the Period January 1 Through August 14, 2015					For the Period August 15 Through December 31, 2015
	U.S.		Foreign			U.S.			Foreign
	(Dollars in thousands)
Service cost	$	151	$	98		$	386		$	281
Interest cost	854		554			2,200			94
Expected return on assets	—		—			(1,885		)	(59		)
Amortization of prior service cost	—		(12		)	—			—
Curtailment gain	—		—			—			(675		)
Mark-to-market loss (gain)	—		—			716			1,843
	$	1,005	$	640		$	1,417		$	1,484

Amounts Recognized In Other Comprehensive Income Retirement Plans

The primary driver of the mark-to-market gains in 2013 were changes in the discount rate due to interest rate fluctuations. The mark-to-market loss in 2014 was caused by changes in discount rates and updated mortality tables. The mark-to-market loss in 2015 was caused by changes to the discount rate.

Amounts recognized in other comprehensive income:

	Predecessor
	For the Year Ended December 31,
	2013						2014
	U.S.			Foreign			U.S.		Foreign
	(Dollars in thousands)
Amortization of prior service cost	$	—		$	(25	)	$	—	$	(26	)
Addition to prior service cost	—			(246		)	—		—
Effect of exchange rates	—			11			—		8
Total recognized in other comprehensive loss	$	—		$	(260	)	$	—	$	(18	)
Total recognized in pension costs and    other comprehensive loss	$	(10,104	)	$	752		$	19,949	$	682

	Predecessor
	For the Period January 1 Through August 14, 2015
	U.S.		Foreign
	(Dollars in thousands)
Amortization of prior service cost	$	—	$	28
Addition to prior service cost	—		—
Effect of exchange rates	—		—
Total recognized in other comprehensive loss	$	—	$	28
Total recognized in pension costs and    other comprehensive loss	$	—	$	28

Reconciliation Of Pension Plans' Benefit Obligations, Fair Value Of Assets Retirement Plans

The reconciliation of the beginning and ending balances of our pension plans’ benefit obligations, fair value of assets, and funded status at December 31, 2014 and 2015 are:

	Predecessor						Successor
	As of December 31, 2014						As of December 31, 2015
	U.S.			Foreign			U.S.			Foreign
	(Dollars in thousands)
Changes in Benefit Obligation:
Net benefit obligation at beginning of period	$	134,787		$	78,421		$	146,790		$	18,512
Service cost	750			1,107			386			281
Interest cost	5,983			2,669			2,200			94
Participant contributions	—			288			—			79
Plan amendments / curtailments	—						—			(578		)
Foreign currency exchange changes	—			(6,171		)	—			(480		)
Actuarial loss (gain)	21,456			11,935			(3,896		)	377
Benefits paid	(8,608		)	(5,646		)	(3,354		)	(14		)
Net benefit obligation at end of period	$	154,368		$	82,603		$	142,126		$	18,271
Changes in Plan Assets:
Fair value of plan assets at    beginning of period	$	90,875		$	72,685		$	97,473		$	12,811
Actual return on plan assets	8,240			14,971			(2,727		)	(1,407		)
Foreign currency exchange rate changes	—			(5,479		)	—			(346		)
Employer contributions	8,947			909			2,505			170
Participant contributions	—			288			—			79
Benefits paid	(8,608		)	(5,646		)	(3,354		)	(14		)
Fair value of plan assets at end of period	$	99,454		$	77,728		$	93,897		$	11,293
Funded status (underfunded):	$	(54,914	)	$	(4,875	)	$	(48,229	)	$	(6,978	)
Amounts recognized in accumulated   other comprehensive loss:
Prior service credit	$	—		$	(25	)	$	—		$	(95	)
Amounts recognized in the statement   of financial position:
Non-current assets	$	—		$	1,365		$	—		$	—
Current liabilities	(439		)	(324		)	(437		)	(253		)
Non-current liabilities	(54,475		)	(5,916		)	(47,792		)	(6,725		)
Net amount recognized	$	(54,914	)	$	(4,875	)	$	(48,229	)	$	(6,978	)

Fair Asset Values Of Plan Assets

The fair value of the plan assets by category is summarized below (dollars in thousands):

	Predecessor								Successor
	December 31, 2014								December 31, 2015
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
U.S. Plan Assets
Cash and cash equivalents	$	906	$	—	$	—	$	906	$	1,986	$	—	$	—	$	1,986
Collective trusts	—		98,548		—		98,548		—		91,911		—		91,911
Total	$	906	$	98,548	$	—	$	99,454	$	1,986	$	91,911	$	—	$	93,897
International Plan Assets
Cash and cash equivalents	$	1,364	$	—	$	—	$	1,364	$	—	$	—	$	—	$	—
Foreign government bonds	—		1,038		—		1,038		—		840		—		840
Investment contracts	—		—		61,990		61,990		—		—		—		—
Fixed insurance contracts	—		—		13,336		13,336		—		—		10,453		10,453
Total	$	1,364	$	1,038	$	75,326	$	77,728	$	—	$	840	$	10,453	$	11,293

Fair Value Hierarchy, Assets At Fair Value

The following table presents the changes for those financial instruments classified within Level 3 of the valuation hierarchy for international plan pension assets for the years ended December 31, 2014 and 2015 (dollars in thousands):

	Investment Contracts			Fixed Insurance Contracts
Balance at January 1, 2014 (Predecessor)	$	58,127		$	10,865
Gain / contributions / currency impact	5,585			2,471
Distributions	(1,722		)	—
Balance at December 31, 2014 (Predecessor)	61,990			13,336
Gain / contributions / currency impact	—			(2,883		)
Distributions	(61,990		)	—
Balance at December 31, 2015 (Successor)	$	—		$	10,453

Retirement Plan Weighted Average Asset Allocations

The following table presents our retirement plan weighted average asset allocations at December 31, 2015, by asset category:

	Percentage of Plan Assets as of December 31, 2015 (Successor)
	US		Foreign
Equity securities and return seeking assets	20	%	—	%
Fixed income, debt securities, or cash	80	%	100	%
Total	100	%	100	%

Pension Plans With An Accumulated Benefit Obligation In Excess Of Plan Assets

Pension Plans With Projected Benefit Obligation In Excess Of Plan Assets

Projected Future Pension Plan Cash Flow By Year

Following is our projected future pension plan cash flow by year:

	U.S.		Foreign
	(Dollars in thousands)
Expected contributions in 2016:
Expected employer contributions	$	8,693	$	696
Expected employee contributions	—		—
Estimated future benefit payments reflecting expected future service for the years ending December 31:
2016	9,153		893
2017	9,150		883
2018	9,182		820
2019	9,211		665
2020	9,256		738
2021-2025	46,479		5,336

Components Of Net Postretirement Costs

The components of our consolidated net postretirement costs are set forth in the following table.

	Predecessor
	For the Year Ended December 31,											For the Period January 1 through August 14, 2015
	2013						2014
	U.S.			Foreign			U.S.		Foreign			U.S.		Foreign
	(Dollars in thousands)
Service cost	$	—		$	105		$	—	$	71		—		$	9
Interest cost	371			994			396		976			223		433
Amortization of prior service credit	—			(193		)	—		(180		)	—		—
Plan amendment / curtailment	—			—			—		(294		)	—		—
Mark-to-market (gain) loss	(1,284		)	(1,210		)	1,151		1,456			—		—
	$	(913	)	$	(304	)	$	1,547	$	2,029		$	223	$	442

Recognized In Other Comprehensive Income Postretirement Benefit Plans

Amounts recognized in other comprehensive income are:

	Predecessor
	For the Year Ended December 31,									For the Period January 1 through August 14, 2015
	2013					2014
	U.S.			Foreign		U.S.		Foreign		U.S.		Foreign
	(Dollars in thousands)
Amortization of prior service cost	$	—		$	193	$	—	$	180	$	—	$	(95	)
Effect of exchange rates	—			133		—		148		—		—
Total recognized in other comprehensive income	$	—		$	326	$	—	$	328	$	—	$	(95	)
Total recognized in net post retirement cost (benefit) and other comprehensive income	$	(913	)	$	22	$	1,547	$	2,357	$	—	$	(95	)

Fair Value Of Assets Of, And The Funded Status Of, Postretirement Plans

The reconciliation of beginning and ending balances of benefit obligations under, fair value of assets of, and the funded status of, our postretirement plans is set forth in the following table:

Postretirement Benefits	Predecessor						Successor
	As of December 31, 2014						As of December 31, 2015
	U.S.			Foreign			U.S.			Foreign
	(Dollars in thousands)
Changes in Benefit Obligation:
Net benefit obligation at    beginning of period	$	11,275		$	15,645		$	11,395		$	13,457
Service cost	—			71			—			5
Interest cost	396			976			142			289
Foreign currency exchange rates	—			(1,437		)	—			(1,489		)
Actuarial loss (gain)	1,151			1,511			(100		)	(621		)
Gross benefits paid	(1,236		)	(1,068		)	(578		)	(345		)
Plan amendment	—			(294		)	—			—
Net benefit obligation at end of period	$	11,586		$	15,404		$	10,859		$	11,296
Changes in Plan Assets:
Fair value of plan assets    at beginning of period	$	—		$	—		$	—		$	—
Employer contributions	1,236			1,068			578			345
Gross benefits paid	(1,236		)	(1,068		)	(578		)	(345		)
Fair value of plan assets at end of period	$	—		$	—		$	—		$	—
Funded status:	$	(11,586	)	$	(15,404	)	$	(10,859	)	$	(11,296	)
Amounts recognized in accumulated other comprehensive loss:
Prior service credit	$	—		$	1,554		$	—		$	—
Amounts recognized in the statement of financial position:
Current liabilities	$	(1,204	)	$	(953	)	$	(1,298	)	$	(755	)
Non-current liabilities	(10,382		)	(14,451		)	(9,561		)	(10,541		)
Net amount recognized	$	(11,586	)	$	(15,404	)	$	(10,859	)	$	(11,296	)

Assumptions Used To Determine Net Pension Costs And Projected Benefit Obligations

Assumptions used to determine net postretirement benefit costs and postretirement projected benefit obligation are set forth in the following table:

Postretirement Benefit Obligations	Predecessor		Successor
	As of December 31,
	2014		2015
Weighted average assumptions to determine benefit obligations:
Discount rate	4.82	%	5.10	%
Health care cost trend on covered charges:
Initial	6.55	%	6.67	%
Ultimate	6.18	%	6.48	%
Years to ultimate	1		2

Postretirement Benefit Costs	Predecessor		Successor
	2014		2015
Weighted average assumptions to determine net cost:
Discount rate	5.29	%	4.91	%
Health care cost trend on covered charges:
Initial	7.39	%	6.55	%
Ultimate	6.18	%	6.18	%
Years to ultimate	2		0

Assumptions used to determine net pension costs and projected benefit obligations are:

Pension Benefit Obligations	As of December 31,
	2014		2015
	Predecessor		Successor
Weighted average assumptions to determine benefit obligations:
Discount rate	3.33	%	3.86	%
Rate of compensation increase	2.08	%	1.84	%

Pension Benefit Obligations	As of December 31,
	2014		2015
	Predecessor		Successor
Weighted average assumptions to determine net cost:
Discount rate	4.20	%	3.79	%
Expected return on plan assets	4.77	%	3.99	%
Rate of compensation increase	2.42	%	2.08	%

One-Percentage Point Change In Assumed Health Care Cost Trend Rates

A one-percentage point change in assumed health care cost trend rates would have the following effects at December 31, 2015:

	One Percentage Point Increase				One Percentage Point Decrease
	U.S.		Foreign		U.S.			Foreign
	(Dollars in thousands)
Effect on total service cost and interest cost components	$	3	$	27	$	(3	)	$	(33	)
Effect on benefit obligations	$	121	$	797	$	(115	)	$	(687	)

Projected Future Postretirement Cash Flow By Year

The following table represents projected future postretirement cash flow by year:

	U.S.		Foreign
	(Dollars in thousands)
Expected contributions in 2015:
Expected employer contributions	$	1,298	$	755
Expected employee contributions	—		—
Estimated future benefit payments reflecting expected future service for the years ending December 31:
2016	1,298		755
2017	1,233		762
2018	1,152		772
2019	1,061		782
2020	962		796
2020-2024	3,454		4,231