Segment Information (Tables)

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Consolidated Net Sales by Segment

The tables below present net sales and operating income by segment for the quarters and six months ended June 30, 2015 and 2014, 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:

	Quarter Ended   June 30,						Six Months Ended   June 30,
In thousands	2015			2014			(1) 2015			(2) 2014
Performance Materials Segment:
Filtration	$	16,476		$	19,546		$	31,543		$	37,419
Thermal Insulation	7,039			7,993			14,524			16,521
Life Sciences Filtration	2,517			3,713			5,023			6,165
Performance Materials Segment net sales	26,032			31,252			51,090			60,105
Industrial Filtration Segment:
Industrial Filtration	35,902			34,135			70,102			51,791
Industrial Filtration net sales	35,902			34,135			70,102			51,791
Thermal/Acoustical Metals Segment:
Metal parts	36,359			38,701			71,381			75,726
Tooling	5,073			4,638			8,166			10,069
Thermal/Acoustical Metals Segment net sales	41,432			43,339			79,547			85,795
Thermal/Acoustical Fibers Segment:
Fiber parts	35,287			34,662			65,698			64,984
Tooling	183			1,646			889			3,837
Thermal/Acoustical Fibers Segment net sales	35,470			36,308			66,587			68,821
Other Products and Services:
Life Sciences Vital Fluids	—			4,864			1,671			9,588
Other Products and Services net sales	—			4,864			1,671			9,588
Eliminations and Other	(4,275		)	(1,105		)	(7,130		)	(2,081		)
Consolidated Net Sales	$	134,561		$	148,793		$	261,867		$	274,019

Operating Income by Segment

Operating income by segment:

	Quarter Ended   June 30,						Six Months Ended   June 30,
In thousands	2015			2014			(1) 2015			(2) 2014
Performance Materials	$	2,265		$	3,566		$	3,571		$	5,429
Industrial Filtration	4,552			2,198			7,706			2,984
Thermal/Acoustical Metals	4,853			2,564			8,434			6,217
Thermal/Acoustical Fibers	10,544			9,279			17,637			16,620
Other Products and Services	—			286			118			706
Corporate Office Expenses	(5,185		)	(5,320		)	(10,359		)	(11,757		)
Consolidated Operating Income	$	17,029		$	12,573		$	27,107		$	20,199

(1) Other Products and Services reports results for the period preceding the date of disposition of January 30, 2015.

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