Goodwill and Intangible Assets

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets

Goodwill and Intangible Assets

6.Goodwill and Intangible Assets

Goodwill

The following table sets forth the changes in the carrying amount of goodwill (in millions):

	Total
Balance at December 31, 2021	$	339.5
Current period additions/adjustments		50.1
Foreign currency effect		(5.3	)
Balance at March 31, 2022	$	384.3

Intangible Assets

The following is a summary of intangible assets, excluding goodwill (in millions):

	March 31, 2022							December 31, 2021
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Existing technology and related patents	$	325.2	$	(209.7	)	$	115.5	$	310.4	$	(206.8	)	$	103.6
Customer relationships		161.9		(61.1	)		100.8		156.1		(58.2	)		97.9
Trade names		17.3		(6.1	)		11.2		15.5		(5.8	)		9.7
Other		1.8		(1.8	)		—		1.8		(1.2	)		0.6
Intangible assets	$	506.2	$	(278.7	)	$	227.5	$	483.8	$	(272.0	)	$	211.8

For the three months ended March 31, 2022 and 2021, the Company recorded amortization expense of $9.2 million and $8.9 million, respectively, related to intangible assets subject to amortization.