Segment Information (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Schedule of Consolidated Net Sales by Segment

Consolidated net sales by segment:

	Quarter Ended   September 30,						Nine Months Ended   September 30,
In thousands	2018			2017			2018			2017
Performance Materials Segment (1):
Filtration	$	22,643		$	22,263		$	68,846		$	65,483
Sealing and Advanced Solutions	19,077			7,284			34,801			22,116
Performance Materials Segment net sales	41,720			29,547			103,647			87,599
Technical Nonwovens Segment:
Industrial Filtration	40,945			38,346			120,346			108,884
Advanced Materials (2)	32,126			34,960			91,978			90,438
Technical Nonwovens net sales	73,071			73,306			212,324			199,322
Thermal Acoustical Solutions Segment:
Parts	77,723			75,195			248,764			237,657
Tooling	10,488			9,181			31,053			17,505
Thermal Acoustical Solutions Segment net sales	88,211			84,376			279,817			255,162
Eliminations and Other (2)	(5,116		)	(7,188		)	(19,829		)	(21,676		)
Consolidated Net Sales	$	197,886		$	180,041		$	575,959		$	520,407

Schedule of Operating Income by Segment

Operating income by segment:

	Quarter Ended   September 30,						Nine Months Ended   September 30,
In thousands	2018			2017 (3)			2018			2017 (3)
Performance Materials (1)	$	1,753		$	3,133		$	8,043		$	8,725
Technical Nonwovens	6,271			8,589			17,395			19,792
Thermal Acoustical Solutions	7,923			10,607			29,357			40,798
Corporate Office Expenses	(6,214		)	(6,975		)	(18,777		)	(18,775		)
Consolidated Operating Income	$	9,733		$	15,354		$	36,018		$	50,540

(1) The Performance Materials segment reports the results of Interface and PCC for the period following the date of acquisitions of August 31, 2018 and July 12, 2018, respectively.

(2) Included in the Technical Nonwovens segment and Eliminations and Other is $4.3 million and $6.5 million in intercompany sales to the Thermal Acoustical Solutions segment for the quarters ended September 30, 2018 and 2017, respectively, and $17.2 million and $19.5 million for the nine months ended September 30, 2018 and 2017, respectively.

(3) The quarter and nine months ended September 30, 2017 segment operating income amounts of $0.2 million and $0.6 million, respectively, have been reclassified to other expense (income), net, to give effect to the adoption of ASU No. 2017-07, "Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost".