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Intangible Assets, Net - Schedule of Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items] |  |
Total intangibles | $ 100.4 | $ 100.4
Accumulated amortization | (85.7) | (83.4)
Intangible assets, net | 14.7 | 17.0
Developed technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Total intangibles | $ 47.0 | 50.9
Developed technology | Weighted Average |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted- average remaining useful life (In years) | 0 years |
Patents |  |
Finite-Lived Intangible Assets [Line Items] |  |
Total intangibles | $ 13.0 | 13.0
Patents | Weighted Average |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted- average remaining useful life (In years) | 8 years 1 month 6 days |
Software |  |
Finite-Lived Intangible Assets [Line Items] |  |
Total intangibles | $ 19.2 | 17.8
Software | Weighted Average |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted- average remaining useful life (In years) | 2 years 3 months 18 days |
Assembled workforce in asset acquisitions |  |
Finite-Lived Intangible Assets [Line Items] |  |
Total intangibles | $ 12.6 | 10.1
Assembled workforce in asset acquisitions | Weighted Average |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted- average remaining useful life (In years) | 1 year 9 months 18 days |
Licenses |  |
Finite-Lived Intangible Assets [Line Items] |  |
Total intangibles | $ 4.6 | 4.6
Licenses | Weighted Average |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted- average remaining useful life (In years) | 2 years 4 months 24 days |
Non-compete agreements, trademarks and other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Total intangibles | $ 4.0 | $ 4.0
Non-compete agreements, trademarks and other | Weighted Average |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted- average remaining useful life (In years) | 6 years 1 month 6 days |

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