Rationalizations (Tables)

12 Months Ended

Dec. 31, 2016

Restructuring and Related Activities [Abstract]

Schedule of Restructuring and Related Costs

The following tables illustrate the impacts of these rationalization initiatives on our results of operations for 2014, 2015 and 2016.

For the Year Ended December 31, 2014 (Predecessor)
	Industrial Materials Segment		Corporate, R&D and Other		Total
	(Dollars in thousands)
Recorded in Cost of Sales
Accelerated depreciation	$	22,388	$	—	$	22,388
Inventory loss	941		—		941
Fixed asset write-offs and other	5,552		—		5,552
Recorded in Research and Development
Accelerated depreciation	—		2,312		2,312
Recorded in Selling and General Administrative
Accelerated depreciation	—		608		608
Other	89		515		604
Recorded in Rationalizations
Severance and related costs	5,040		2,425		7,465
Contract terminations	469		11		480
Total 2014 rationalization     and related charges	$	34,479	$	5,871	$	40,350

For the Period January 1 Through August 14, 2015 (Predecessor)
	Industrial Materials Segment			Corporate, R&D and Other			Total
	(Dollars in thousands)
Recorded in Cost of Sales
Accelerated depreciation	$	432		$	940		1,372
Inventory loss	(33		)	—			(33		)
Fixed asset write-offs and other	1,715			—			1,715
Recorded in Selling and General Administrative
Other	400			954			1,354
Recorded in Rationalizations
Severance and related costs	157			(168		)	(11		)
Contract terminations	25			—			25
Total	$	2,696		$	1,726		$	4,422

For the Period August 15 Through December 31, 2015 (Successor)
	Industrial Materials Segment			Corporate, R&D and Other		Total
Recorded in Cost of Sales
Inventory loss	$	(649	)	$	—	$	(649	)
Fixed asset write-offs and other	329			—		329
Recorded in Selling and General Administrative
Other	135			290		425
Recorded in Rationalizations
Severance and related costs	154			71		225
Contract terminations	59			—		59
Total	$	28		$	361	$	389
For the Year Ended December 31, 2016 (Successor)
	Industrial Materials Segment			Corporate, R&D and Other		Total
Recorded in Cost of Sales
Fixed asset write-offs and other	$	636		$	—	$	636
Recorded in Selling and General Administrative
Other	1,258			412		1,670
Recorded in Rationalizations
Severance and related costs	(52		)	111		59
Total	$	1,842		$	523	$	2,365