Segment Information (Tables)

3 Months Ended

Mar. 31, 2013

Segment Reporting [Abstract]

Consolidated Net Sales by Segment

The tables below present net sales and operating income by segment for the quarters ended March 31, 2013 and 2012, 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 March 31,
In thousands	2013			2012
Performance Materials Segment:
Industrial Filtration	$	16,650		$	18,176
Industrial Thermal Insulation		8,156			8,731
Life Sciences Filtration		2,677			2,181
Performance Materials Segment net sales		27,483			29,088
Thermal/Acoustical Metals Segment:
Metal parts		33,109			37,808
Tooling		7,093			4,305
Thermal/Acoustical Metals Segment net sales		40,202			42,113
Thermal/Acoustical Fibers Segment:
Fiber parts		27,784			22,146
Tooling		143			26
Thermal/Acoustical Fibers Segment net sales		27,927			22,172
Other Products and Services:
Life Sciences Vital Fluids		4,307			4,231
Other Products and Services net sales		4,307			4,231
Eliminations and Other		(890	)		(850	)
Consolidated Net Sales	$	99,029		$	96,754

Operating Income by Segment

Operating income by segment:

	Quarter Ended March 31,
In thousands	2013			2012
Performance Materials	$	1,277		$	2,120
Thermal/Acoustical Metals		3,018			5,067
Thermal/Acoustical Fibers		6,154			2,229
Other Products and Services:
Life Sciences Vital Fluids		356			309
Corporate Office Expenses		(4,288	)		(4,323	)
Consolidated Operating Income	$	6,517		$	5,402