Segment Information (Tables)

6 Months Ended

Jun. 30, 2014

Segment Reporting [Abstract]

Consolidated Net Sales by Segment

The tables below present net sales and operating income by segment for the quarters ended June 30, 2014 and 2013, and also a reconciliation of total segment net sales and operating income to total consolidated net sales and operating income.

Consolidated net sales by segment: (1)

	Quarter Ended   June 30,						Six Months Ended   June 30,
In thousands	2014			2013			2014			2013
Performance Materials Segment:
Filtration	$	19,546		$	17,903		$	37,419		$	34,553
Thermal Insulation	7,993			8,579			16,521			16,735
Life Sciences Filtration	3,713			2,486			6,165			5,163
Performance Materials Segment net sales	31,252			28,968			60,105			56,451
Industrial Filtration Segment:
Industrial Filtration	34,135			—			51,791			—
Industrial Filtration net sales	34,135			—			51,791			—
Thermal/Acoustical Metals Segment:
Metal parts	38,701			35,957			75,726			69,066
Tooling	4,638			4,963			10,069			12,056
Thermal/Acoustical Metals Segment net sales	43,339			40,920			85,795			81,122
Thermal/Acoustical Fibers Segment:
Fiber parts	34,662			26,458			64,984			54,242
Tooling	1,646			1,501			3,837			1,644
Thermal/Acoustical Fibers Segment net sales	36,308			27,959			68,821			55,886
Other Products and Services:
Life Sciences Vital Fluids	4,864			4,263			9,588			8,570
Other Products and Services net sales	4,864			4,263			9,588			8,570
Eliminations and Other	(1,105		)	(1,059		)	(2,081		)	(1,949		)
Consolidated Net Sales	$	148,793		$	101,051		$	274,019		$	200,080

Operating Income by Segment

Operating income by segment: (1)

	Quarter Ended   June 30,						Six Months Ended   June 30,
In thousands	2014			2013			2014			2013
Performance Materials	$	3,566		$	3,271		$	5,429		$	4,548
Industrial Filtration	2,198			—			2,984			—
Thermal/Acoustical Metals	2,564			4,431			6,217			7,449
Thermal/Acoustical Fibers	9,279			5,432			16,620			11,586
Other Products and Services	286			125			706			481
Corporate Office Expenses	(5,320		)	(3,738		)	(11,757		)	(8,026		)
Consolidated Operating Income	$	12,573		$	9,521		$	20,199		$	16,038

(1) Industrial Filtration segment reports results for the period following the date of acquisition of February 20, 2014 through June 30, 2014.