Intangible Assets

6 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible Assets

Intangible assets consisted of the following:

	As of June 30,			As of December 31,			Weighted- average remaining useful life (In years)
	2020			2019
Developed technology	$	25.8		$	25.8		3.6
Customer relationships	20.5			20.5			3.7
Software	20.2			20.0			1.4
Patents	13.0			13.0			7.4
Assembled workforce in asset acquisitions	12.6			12.6			0.5
Trademarks and trade names	5.2			5.2			3.6
Licenses	4.6			4.6			1.0
Other	3.3			3.3			5.1
Total intangibles	105.2			105.0
Accumulated amortization	(64.7		)	(57.6		)
Intangible assets, net	$	40.5		$	47.4

Amortization expense was $3.5 million and $7.0 million for the three and six months ended June 30, 2020, respectively, and $3.7 million and $6.5 million for the three and six months ended June 30, 2019, respectively.

Expected future amortization expense for intangible assets as of June 30, 2020 is as follows:

Remaining six months of Fiscal 2020	$	7.0
2021	11.6
2022	8.3
2023	7.5
2024	3.4
Thereafter	2.7
Total	$	40.5