Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]


8.			Goodwill and Other Intangible Assets

The changes in the net carrying value of goodwill by reportable segment for the years ended December 31, 2021 and 2020 are as follows:


	Sealing Technologies		Advanced Surface Technologies		Engineered Materials		Total
	(in millions)


Goodwill as of December 31, 2019	$	300.9	$	167.7	$	16.7	$	485.3
Foreign currency translation	3.4		6.9		—		10.3
Acquisitions	—		133.1		—		133.1
Dispositions	(6.9)		—		—		(6.9)


Goodwill as of December 31, 2020	297.4		307.7		16.7		621.8
Foreign currency translation	(4.5)		1.5		—		(3.0)
Acquisition	—		359.5		—		359.5
Dispositions	(13.5)		—		(11.6)		(25.1)


Goodwill as of December 31, 2021	$	279.4	$	668.7	$	5.1	$	953.2

The goodwill balances reflected above are net of accumulated impairment losses of $27.8 million for the Sealing Technologies segment as of December 31, 2021, 2020 and 2019, $108.7 million for the Engineered Materials segment as of December 31, 2021 and $154.8 million for the Engineered Materials segment as of December 31, 2020, and 2019.

Identifiable intangible assets are as follows:


	As of December 31, 2021				As of December 31, 2020
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
	(in millions)
Amortized:
Customer relationships	$	536.5	$	166.0	$	505.5	$	177.8
Existing technology	480.8		49.5		179.6		41.3
Trademarks	70.9		24.9		44.6		25.7
Other	41.4		22.4		37.6		22.3
	1,129.6		262.8		767.3		267.1
Indefinite-Lived:
Trademarks	46.6		—		53.4		—
Total	$	1,176.2	$	262.8	$	820.7	$	267.1

Amortization expense for the years ended December 31, 2021, 2020 and 2019 was $46.4 million, $37.7 million and $32.5 million, respectively.

The estimated amortization expense for definite-lived (amortized) intangible assets for the next five years is as follows (in millions):


2022	$	78.7
2023	$	71.3
2024	$	71.2
2025	$	69.8
2026	$	66.4