Restructuring and Impairment Charges (Tables)

6 Months Ended

Jun. 30, 2014

Restructuring and Related Activities [Abstract]

Schedule of restructuring and related costs

The following table summarizes the restructuring and impairment charges related to these activities recorded in our operating results in the second quarter and first six months of 2013. There were no restructuring and impairment charges in the second quarter and first six months of 2014.

(Dollars in thousands)	Three Months Ended		Six Months Ended
	June 30, 2013		June 30, 2013
Cost of Sales
Printed Circuit Materials
Union ratification bonus	179		179
High Performance Foams
Union ratification bonus	181		181
Power Electronics Solutions
Union ratification bonus	8		8
Total charges for Cost of Sales	$	368	$	368
Restructuring and Impairment
Printed Circuit Materials
Severance and other employee related costs (1)	708		708
High Performance Foams
Severance and other employee related costs (1)	1,253		1,253
Power Electronics Solutions
Severance and other employee related costs (1)	2,463		2,463
Other
Severance and other employee related costs (1)	101		101
Total charges for Restructuring and Impairment	$	4,525	$	4,525

Summary of Severance Accrual Activity

The following table summarizes changes in the severance accrual from December 31, 2013 through June 30, 2014:

(Dollars in thousands)	Streamlining and restructuring related activities			Curamik finishing operations relocation to Hungary		Total
Balance at December 31, 2013	$	695		$	—	$	695
Payments	(670		)			(670		)
Balance at June 30, 2014	$	25		$	—	$	25