Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill by Segment

The changes in the carrying amount of goodwill by segment as of and for the three months ended March 31, 2019 were as follows:

In thousands	December 31, 2018		Currency translation adjustments			Additions		March 31, 2019
Performance Materials	$	144,626	$	(209	)	$	—	$	144,417
Technical Nonwovens	52,337		268			—		52,605
Total goodwill	$	196,963	$	59		$	—	$	197,022

Schedule of Impaired Intangible Assets

The table below presents the gross carrying amount and, as applicable, the accumulated amortization of the Company’s acquired intangible assets other than goodwill included in “Other intangible assets, net” in the Condensed Consolidated Balance Sheets as of March 31, 2019 and December 31, 2018:

	March 31, 2019					December 31, 2018
In thousands	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Amortized intangible assets
Customer Relationships	$	141,631	$	(16,259	)	$	141,455	$	(11,453	)
Patents	4,252		(3,771		)	4,333		(3,816		)
Technology	2,500		(853		)	2,500		(810		)
Trade Names	7,238		(3,413		)	7,235		(2,840		)
License Agreements	610		(610		)	619		(619		)
Other	560		(560		)	561		(561		)
Total amortized intangible assets	$	156,791	$	(25,466	)	$	156,703	$	(20,099	)