Segment Information (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Schedule of Consolidated Net Sales and Operating Income by Segment

Consolidated net sales by segment:

	Quarter Ended March 31,
In thousands	2019			2018
Performance Materials Segment (1):
Filtration	$	23,934		$	23,142
Sealing and Advanced Solutions	40,646			7,551
Performance Materials Segment net sales	64,580			30,693
Technical Nonwovens Segment:
Industrial Filtration	42,364			40,231
Advanced Materials (2)	23,242			27,310
Technical Nonwovens net sales	65,606			67,541
Thermal Acoustical Solutions Segment:
Parts	84,576			88,122
Tooling	9,737			13,315
Thermal Acoustical Solutions Segment net sales	94,313			101,437
Eliminations and Other (2)	(6,474		)	(8,011		)
Consolidated Net Sales	$	218,025		$	191,660

 Operating income by segment:

	Quarter Ended March 31,
In thousands	2019			2018
Performance Materials (1)	$	1,459		$	2,641
Technical Nonwovens	4,734			5,006
Thermal Acoustical Solutions	9,491			12,614
Corporate Office Expenses	(6,634		)	(6,225		)
Consolidated Operating Income	$	9,050		$	14,036

(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, and included $4.0 million of incremental intangible assets amortization for the quarter ended March 31, 2019.

(2) Included in the Technical Nonwovens segment and Eliminations and Other is $4.7 million and $7.1 million in intercompany sales to the Thermal Acoustical Solutions segment for the quarters ended March 31, 2019 and 2018, respectively.