Segment Information (Tables)

12 Months Ended

Dec. 31, 2015

Segment Reporting [Abstract]

Net Sales by Segment and for OPS, Reconciling Items to Equal to Consolidated Net Sales

Net sales by segment and for OPS, as well as reconciling items, to equal consolidated net sales for the years ended December 31, 2015, 2014, and 2013 were as follows:

Consolidated Net Sales	For the Years Ended December 31,
	(2)			(3)
In thousands	2015			2014			2013
Performance Materials Segment:
Filtration	$	62,716		$	71,648		$	64,752
Thermal Insulation	28,311			31,404			36,929
Life Sciences Filtration	10,451			12,814			10,320
Performance Materials Segment net sales	101,478			115,866			112,001
Industrial Filtration Segment:
Industrial Filtration (1)	139,133			112,220			—
Industrial Filtration net sales	139,133			112,220			—
Thermal/Acoustical Metals Segment:
Metal parts	141,117			145,135			135,833
Tooling	19,815			19,130			22,573
Thermal/Acoustical Metals Segment net sales	160,932			164,265			158,406
Thermal/Acoustical Fibers Segment:
Fiber parts	135,595			124,458			105,876
Tooling	3,152			4,133			8,444
Thermal/Acoustical Fibers Segment net sales	138,747			128,591			114,320
Other Products and Services:
Life Sciences Vital Fluids	1,671			19,682			17,175
Other Products and Services net sales	1,671			19,682			17,175
Eliminations and Other (1)	(17,456		)	(4,795		)	(3,933		)
Consolidated Net Sales	$	524,505		$	535,829		$	397,969

(1) Included in the Industrial Filtration segment and Eliminations and Other is $13.8 million and $1.0 million in intercompany sales to the T/A Fibers segment for the years ended December 31, 2015 and 2014, respectively.

Operating income by segment and for OPS and Corporate Office Expenses for the years ended December 31, 2015, 2014, and 2013 were as follows:

Operating Income	For the Years Ended December 31,
	(2)			(3)
In thousands	2015			2014			2013
Performance Materials Segment	$	6,790		$	9,706		$	9,462
Industrial Filtration Segment	13,431			6,412			—
Thermal/Acoustical Metals Segment	15,517			13,823			14,088
Thermal/Acoustical Fibers Segment	37,086			29,167			21,486
Other Products and Services:
Life Sciences Vital Fluids	118			1,582			778
Corporate Office Expenses	(20,465		)	(26,642		)	(17,101		)
Consolidated Operating Income	$	52,477		$	34,048		$	28,713

Total Assets By Segment

Total assets by segment and for OPS and the Corporate Office were as follows at December 31, 2015, 2014, and 2013:

Total Assets	December 31,
	(2)		(3)
In thousands	2015		2014		2013
Performance Materials Segment	$	66,706	$	71,325	$	74,838
Industrial Filtration Segment	89,566		100,201		—
Thermal/Acoustical Metals Segment	111,195		106,210		104,908
Thermal/Acoustical Fibers Segment	38,881		33,109		30,176
Other Products and Services	—		11,580		11,866
Corporate Office	51,912		39,345		52,897
Total Assets	$	358,260	$	361,770	$	274,685

Total capital expenditures and depreciation and amortization by segment and for OPS and the Corporate Office for the years ended December 31, 2015, 2014, and 2013 were as follows:

	Capital Expenditures						Depreciation and Amortization
	(2)		(3)				(2)		(3)
In thousands	2015		2014		2013		2015		2014		2013
Performance Materials Segment	$	3,519	$	4,124	$	4,604	$	4,499	$	4,654	$	4,667
Industrial Filtration Segment	968		1,804		—		4,996		4,536		—
Thermal/Acoustical Metals Segment	11,494		8,544		6,027		4,233		4,578		4,777
Thermal/Acoustical Fibers Segment	4,807		3,296		1,887		2,400		2,166		2,217
Other Products and Services	22		574		243		45		804		588
Corporate Office	745		659		1,065		1,102		908		454
Total	$	21,555	$	19,001	$	13,826	$	17,275	$	17,646	$	12,703

Net Sales by Geographic Area

Net sales by geographic area for the years ended December 31, 2015, 2014 and 2013 and long-lived asset information by geographic area as of December 31, 2015, 2014, and 2013 were as follows:

	Net Sales						Long-Lived Assets
In thousands	2015		2014		2013		2015		2014		2013
United States (4),(5)	$	344,950	$	345,864	$	269,989	$	76,502	$	72,832	$	48,787
France	47,495		52,534		47,831		12,899		13,861		16,436
Germany	68,861		77,896		77,229		10,149		12,366		13,287
United Kingdom (5)	26,598		26,387		—		6,399		7,601		—
China (5)	33,885		29,401		—		9,953		11,225		—
Other	2,716		3,747		2,920		815		795		1,815
Total	$	524,505	$	535,829	$	397,969	$	116,717	$	118,680	$	80,325