Goodwill and Other Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

The following table sets forth the change in the carrying amount of goodwill for the Company:


	At December 31,
	2020		2019
In thousands
Gross balance at beginning of period	$	211,566	$	212,413
Accumulated impairment	(16,252)		(16,252)
Net balance at beginning of period	195,314		196,161
Additions(1)	95,089		—
Impairments	(50,307)		—
Foreign currency translation	7,148		(847)
Net balance at end of period	$	247,244	$	195,314

Accumulated impairment at end of period	$	(66,559)	$	(16,252)

(1) The additions to goodwill in the year ended December 31, 2020 were attributable to the acquisition of Bal Seal. Refer to Note 3, Business Combinations, for further information on this acquisition.

Schedule of acquired finite-lived intangible assets by major class

Other intangible assets consisted of:


		At December 31,				At December 31,
		2020				2019
	Amortization Period	Gross Amount		Accumulated Amortization		Gross Amount		Accumulated Amortization
In thousands
Customer lists / relationships	6-38 years	$	128,882	$	(30,094)	$	56,789	$	(21,415)
Developed technologies	7-20 years	45,798		(9,665)		19,552		(5,217)
Trademarks / trade names	15-40 years	17,353		(2,149)		5,012		(1,368)
Non-compete agreements and other	1-15 years	5,290		(5,276)		2,338		(2,321)
Patents	17 years	523		(464)		523		(454)
Total		$	197,846	$	(47,648)	$	84,214	$	(30,775)

Schedule of finite-lived intangible assets, future amortization expense

Estimated amortization expense for the next five years associated with intangible assets existing as of December 31, 2020 is as follows:


In thousands
2021	$	10,341
2022	$	9,870
2023	$	9,589
2024	$	9,231
2025	$	9,190