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Summary of Significant Accounting Policies - Summary of Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 635.0 | $ 643.3
Accumulated Amortization | (277.6) | (230.4)
Net Carrying Value | 357.4 | 412.9
Intangible Assets, Gross (Excluding Goodwill) | 645.8 | 654.1
Accumulated Amortization | (277.6) | (230.4)
Net Carrying Value | $ 368.2 | $ 423.7
Weighted Average Useful Life (years) | 10 years 9 months 18 days | 10 years 6 months
In-process research and development |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Net Carrying Value | $ 10.8 | $ 10.8
Customer-based |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 528.0 | 531.9
Accumulated Amortization | (232.0) | (203.0)
Net Carrying Value | 296.0 | 328.9
Accumulated Amortization | $ (232.0) | $ (203.0)
Weighted Average Useful Life (years) | 11 years 9 months 18 days | 11 years 7 months 6 days
Licensing agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 71.9 | $ 75.0
Accumulated Amortization | (24.4) | (10.2)
Net Carrying Value | 47.5 | 64.8
Accumulated Amortization | $ (24.4) | $ (10.2)
Weighted Average Useful Life (years) | 5 years | 5 years
Technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 35.1 | $ 35.0
Accumulated Amortization | (21.2) | (15.9)
Net Carrying Value | 13.9 | 19.1
Accumulated Amortization | $ (21.2) | $ (15.9)
Weighted Average Useful Life (years) | 7 years 2 months 12 days | 7 years
Other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value |  | $ 1.4
Accumulated Amortization |  | (1.3)
Net Carrying Value |  | 0.1
Accumulated Amortization |  | $ (1.3)
Weighted Average Useful Life (years) |  | 2 years 6 months

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