Intangible Assets

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible Assets

Intangible assets consisted of the following:

	As of March 31,			As of December 31,			Weighted- average remaining useful life (In years)
	2020			2019
Developed technology	$	25.7		$	25.8		3.8
Customer relationships	20.5			20.5			3.9
Software	20.5			20.0			1.4
Patents	13.0			13.0			7.5
Assembled workforce in asset acquisitions	12.6			12.6			0.8
Trademarks and trade names	5.2			5.2			3.9
Licenses	4.6			4.6			1.3
Other	3.3			3.3			5.4
Total intangibles	105.4			105.0
Accumulated amortization	(61.0		)	(57.6		)
Intangible assets, net	$	44.4		$	47.4

Amortization expense was $3.5 million and $2.8 million for the three months ended March 31, 2020 and 2019, respectively.

Expected future amortization expense for intangible assets as of March 31, 2020, is as follows:

Remaining nine months of Fiscal 2020	$	10.7
2021	11.7
2022	8.3
2023	7.7
2024	3.4
Thereafter	2.6
Total	$	44.4