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Intangible Assets

9 Months Ended

Sep. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets consisted of the following:


	As of September 30,		As of December 31,		Weighted- average remaining useful life (In years) As of September 30,
	2023		2022		2023
Developed technology	$	74.3	$	74.3	3.7
Customer relationships	43.2		43.2		1.5
Patents	19.4		19.4		3.6
Software	8.9		8.9		0.0
Trademarks and trade names	5.8		5.8		1.1
Licenses	4.6		4.6		0.0
Assembled workforce in asset acquisitions	3.4		3.4		2.6
Other	1.4		1.1		2.1
Total intangibles	161.0		160.7
Accumulated amortization	(95.2)		(72.4)
Intangible assets, net	$	65.8	$	88.3

Amortization expense was $7.7 million and $22.7 million for the three and nine months ended September 30, 2023, respectively and $3.9 million and $11.7 million for the three and nine months ended September 30, 2022, respectively.

Expected future amortization expense for intangible assets as of September 30, 2023 is as follows:


	Intangible assets
Remainder of 2023	$	7.6
2024	25.1
2025	14.8
2026	10.4
2027	7.0
Thereafter	0.9
Total	$	65.8