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Intangible Assets
 9 Months Ended
Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets Intangible Assets
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,
 202520242025
Developed technology$98.1 $93.7 2.8
Customer relationships48.5 48.5 1.6
Patents16.6 16.6 2.0
Software8.9 8.9 0.0
Trademarks and trade names5.8 5.8 0.5
Licenses0.5 0.5 3.2
Assembled workforce in asset acquisitions3.8 3.4 3.0
Other1.2 1.2 0.0
Total intangibles183.4 178.6 
Accumulated amortization(143.0)(123.7)
Intangible assets, net$40.4 $54.9 
Amortization expense was $6.5 million and $19.2 million for the three and nine months ended September 30, 2025 and $7.5 million and $20.6 million for the three and nine months ended September 30, 2024, respectively.

Expected future amortization expense for intangible assets as of September 30, 2025 is as follows:

Intangible assets
Remainder of 2025$6.6 
202616.8 
20278.2 
20285.1 
20292.7 
Thereafter1.0 
Total$40.4