Segment Information (Tables)

9 Months Ended

Sep. 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						Nine Months Ended
	September 30, 2013			September 30, 2012			September 30, 2013			September 30, 2012
Net sales
Core Strategic
High Performance Foams	$	44,460		$	48,045		$	126,839		$	131,807
Printed Circuit Materials	47,105			43,437			136,253			123,352
Power Electronics Solutions
Curamik Electronics Solutions	32,137			22,050			83,951			70,250
Power Distribution Systems	13,191			9,395			36,460			31,484
Other	5,927			6,207			17,749			17,691
Net sales	$	142,820		$	129,134		$	401,252		$	374,584
Operating income (loss)
Core Strategic
High Performance Foams	$	7,490		$	8,848		$	17,622		$	16,001
Printed Circuit Materials	5,857			3,195			13,651			5,971
Power Electronics Solutions
Curamik Electronics Solutions	986			(2,394		)	(4,650		)	(5,371		)
Power Distribution Systems	2,824			(325		)	5,473			(840		)
Other	1,852			1,005			5,835			3,078
Operating income (loss)	19,009			10,329			37,931			18,839
Equity income in unconsolidated joint ventures	1,754			1,773			3,045			3,735
Other income (expense), net	(101		)	19			(867		)	140
Net realized gain (loss)	—			—			—			(3,245		)
Interest income (expense), net	(881		)	(1,104		)	(2,616		)	(3,366		)
Income (loss) before income tax expense (benefit)	$	19,781		$	11,017		$	37,493		$	16,103