Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Gross and net Carrying Amounts of Goodwill

Gross and net carrying amounts of goodwill at December 31, 2015 and 2014 were as follows:

In thousands	Performance Materials		Industrial Filtration		Thermal/ Acoustical Metals			Other Products and Services			Totals
Goodwill	$	13,340	$	3,943	$	12,160		$	5,787		$	35,230
Accumulated amortization/impairment	—		—		(12,160		)	(1,127		)	(13,287		)
Balance at December 31, 2014	13,340		3,943		—			4,660			21,943
Goodwill	12,898		3,943		12,160			—			29,001
Accumulated amortization/impairment	—		—		(12,160		)	—			(12,160		)
Balance at December 31, 2015	$	12,898	$	3,943	$	—		$	—		$	16,841

Changes in the Carrying Amounts of Goodwill

The changes in the carrying amounts of goodwill in 2014 and 2015 were as follows:

In thousands	Performance Materials			Industrial Filtration		Other Products and Services			Totals
Balance at January 1, 2014	$	13,929		$	—	$	4,660		$	18,589
Goodwill adjustment	—			3,943		—			3,943
Currency translation adjustment	(589		)	—		—			(589		)
Balance at December 31, 2014	13,340			3,943		4,660			21,943
Goodwill adjustment	—			—		(4,660		)	(4,660		)
Currency translation adjustment	(442		)	—		—			(442		)
Balance at December 31, 2015	$	12,898		$	3,943	$	—		$	16,841

Amortization of the Companys Acquired Intangible Assets other than Goodwill

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 Consolidated Balance Sheets as of December 31, 2015 and 2014:

	December 31, 2015					December 31, 2014
In thousands	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Amortized intangible assets
License agreements	$	771	$	(771	)	$	818	$	(818	)
Technology	2,500		(310		)	2,500		(143		)
Customer Relationships	2,412		(411		)	2,477		(195		)
Patents	4,137		(3,272		)	6,037		(3,274		)
Other	612		(269		)	691		(252		)
Total amortized intangible assets	$	10,432	$	(5,033	)	$	12,523	$	(4,682	)