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v3.20.4

Goodwill and Other Intangible Assets, net - Other Intangibles and Amortization (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Other intangible assets |  |
Accumulated Amortization | $ (695.7) | $ (560.6)
Other intangible assets, net |  |
Other intangible assets, Acquired Cost | 1,730.5 | 1,701.2
Other intangible assets, net | $ 1,034.8 | 1,140.6
Useful life of finite lived intangible assets | 8 years 8 months 12 days |
Estimated amortization expense |  |
2021 | $ 118.9 |
2022 | 103.1 |
2023 | 97.4 |
2024 | 88.3 |
2025 | 85.2 |
Thereafter | 303.3 |
Trade names |  |
Assets not subject to amortization: |  |
Indefinite-lived intangible assets | 238.6 | 242.7
Customer relationships |  |
Other intangible assets |  |
Acquired Cost | 1,060.6 | 1,054.4
Accumulated Amortization | (436.4) | (354.9)
Net Book Value | $ 624.2 | 699.5
Other intangible assets, net |  |
Useful life of finite lived intangible assets | 9 years 1 month 6 days |
Technology and intellectual property |  |
Other intangible assets |  |
Acquired Cost | $ 313.6 | 304.1
Accumulated Amortization | (208.9) | (167.0)
Net Book Value | $ 104.7 | 137.1
Other intangible assets, net |  |
Useful life of finite lived intangible assets | 5 years 9 months 18 days |
Trade names and other |  |
Other intangible assets |  |
Acquired Cost | $ 117.7 | 100.0
Accumulated Amortization | (50.4) | (38.7)
Net Book Value | $ 67.3 | $ 61.3
Other intangible assets, net |  |
Useful life of finite lived intangible assets | 9 years 10 months 24 days |

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