Segment Information (Tables)

6 Months Ended

Jun. 30, 2013

Segment Reporting [Abstract]

Reportable Segment Information

The following table sets forth the information about our reportable segments for the periods indicated:

(Dollars in thousands)	Three Months Ended						Six Months Ended
	June 30, 2013			June 30, 2012			June 30, 2013			June 30, 2012
Net sales
Core Strategic
High Performance Foams	$	39,933		$	43,329		$	82,379		$	83,763
Printed Circuit Materials	45,584			40,533			89,148			79,914
Power Electronics Solutions
Curamik Electronics Solutions	28,508			23,908			51,814			48,200
Power Distribution Systems	12,276			11,573			23,269			22,089
Other	6,151			5,952			11,822			11,484
Net sales	$	132,452		$	125,295		$	258,432		$	245,450
Operating income (loss)
Core Strategic
High Performance Foams	$	3,532		$	5,708		$	10,132		$	7,153
Printed Circuit Materials	3,996			3,123			7,793			2,777
Power Electronics Solutions
Curamik Electronics Solutions	(2,514		)	(1,205		)	(5,636		)	(2,978		)
Power Distribution Systems	1,112			135			2,649			(515		)
Other	1,981			1,256			3,984			2,073
Operating income (loss)	8,107			9,017			18,922			8,510
Equity income in unconsolidated joint ventures	762			1,305			1,291			1,962
Other income (expense), net	(177		)	261			(766		)	121
Net realized gain (loss)	—			—			—			(3,245		)
Interest income (expense), net	(830		)	(1,072		)	(1,735		)	(2,262		)
Income (loss) before income tax expense (benefit)	$	7,862		$	9,511		$	17,712		$	5,086