Segment Information (Tables)

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Net sales by segment and for OPS, as well as reconciling items, to equal to consolidated net sales for the years ended December 31, 2014, 2013, and 2012 were as follows:

Consolidated Net Sales	For the Years Ended December 31,
In thousands	2014			2013			2012
Performance Materials Segment:
Filtration	$	71,648		$	64,752		$	68,379
Thermal Insulation	31,404			36,929			38,449
Life Sciences Filtration	12,814			10,320			11,207
Performance Materials Segment net sales	115,866			112,001			118,035
Industrial Filtration Segment:
Industrial Filtration	112,220			—			—
Industrial Filtration net sales	112,220			—			—
Thermal/Acoustical Metals Segment:
Metal parts	145,135			135,833			136,276
Tooling	19,130			22,573			17,645
Thermal/Acoustical Metals Segment net sales	164,265			158,406			153,921
Thermal/Acoustical Fibers Segment:
Fiber parts	124,458			105,876			93,519
Tooling	4,133			8,444			917
Thermal/Acoustical Fibers Segment net sales	128,591			114,320			94,436
Other Products and Services:
Life Sciences Vital Fluids	19,682			17,175			16,853
Other Products and Services net sales	19,682			17,175			16,853
Eliminations and Other	(4,795		)	(3,933		)	(4,321		)
Consolidated Net Sales	$	535,829		$	397,969		$	378,924

Operating income by segment and for OPS and Corporate Office Expenses for the years ended December 31, 2014, 2013, and 2012 were as follows:

Operating Income	For the Years Ended December 31,
In thousands	2014			2013			2012
Performance Materials Segment	$	9,706		$	9,462		$	10,400
Industrial Filtration Segment	6,412			—			—
Thermal/Acoustical Metals Segment	13,823			14,088			14,708
Thermal/Acoustical Fibers Segment	29,167			21,486			12,851
Other Products and Services:
Life Sciences Vital Fluids	1,582			778			1,190
Corporate Office Expenses	(26,642		)	(17,101		)	(17,771		)
Consolidated Operating Income	$	34,048		$	28,713		$	21,378

Total Assets By Segment

Total assets by segment and for OPS and the Corporate Office were as follows at December 31, 2014, 2013 and 2012:

Total Assets	December 31,
In thousands	2014		2013		2012
Performance Materials Segment	$	71,325	$	74,838	$	74,119
Industrial Filtration Segment	100,201		—		—
Thermal/Acoustical Metals Segment	106,210		104,908		96,019
Thermal/Acoustical Fibers Segment	33,109		30,176		26,830
Other Products and Services	11,580		11,866		11,195
Corporate Office	39,345		52,897		43,753
Total Assets	$	361,770	$	274,685	$	251,916

Total capital expenditures and depreciation and amortization by segment and for OPS and the Corporate Office for the years ended December 31, 2014, 2013 and 2012 were as follows:

	Capital Expenditures						Depreciation and Amortization
In thousands	2014		2013		2012		2014		2013		2012
Performance Materials Segment	$	4,124	$	4,604	$	5,231	$	4,654	$	4,667	$	5,290
Industrial Filtration Segment	1,804		—		—		4,536		—		—
Thermal/Acoustical Metals Segment	8,544		6,027		4,063		4,578		4,777		5,019
Thermal/Acoustical Fibers Segment	3,296		1,887		1,033		2,166		2,217		2,324
Other Products and Services	574		243		128		804		588		596
Corporate Office	659		1,065		949		908		454		453
Total	$	19,001	$	13,826	$	11,404	$	17,646	$	12,703	$	13,682

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country

Net sales by geographic area for the years ended December 31, 2014, 2013 and 2012 and long-lived asset information by geographic area as of December 31, 2014, 2013, and 2012 were as follows:

	Net Sales						Long-Lived Assets
In thousands	2014		2013		2012		2014		2013		2012
United States	$	345,864	$	269,989	$	251,695	$	72,832	$	48,787	$	45,979
France	52,534		47,831		52,517		13,861		16,436		17,463
Germany	77,896		77,229		71,896		12,366		13,287		13,542
United Kingdom	26,387		—		—		7,601		—		—
China	29,401		—		—		11,225		—		—
Other	3,747		2,920		2,816		795		1,815		1,024
Total	$	535,829	$	397,969	$	378,924	$	118,680	$	80,325	$	78,008