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Goodwill and Intangible Assets - Intangible Assets (Excluding Goodwill) (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2020 | Dec. 31, 2019
Schedule of Finite-lived and Indefinite-lived Intangible Assets |  |
Weighted Average Useful Life (in years) | 13 years |
Gross Carrying Amount | $ 489.0 | $ 504.7
Accumulated Amortization | (159.1) | (140.2)
Total intangible assets | 647.8 | 662.6
Trademarks and trade names |  |
Schedule of Finite-lived and Indefinite-lived Intangible Assets |  |
Indefinite-lived intangible assets | $ 158.8 | 157.9
Customer relationships |  |
Schedule of Finite-lived and Indefinite-lived Intangible Assets |  |
Weighted Average Useful Life (in years) | 13 years |
Gross Carrying Amount | $ 382.3 | 380.3
Accumulated Amortization | $ (136.4) | (115.0)
Unpatented technology |  |
Schedule of Finite-lived and Indefinite-lived Intangible Assets |  |
Weighted Average Useful Life (in years) | 10 years |
Gross Carrying Amount | $ 91.8 | 90.1
Accumulated Amortization | $ (19.6) | (13.0)
Patents and other |  |
Schedule of Finite-lived and Indefinite-lived Intangible Assets |  |
Weighted Average Useful Life (in years) | 15 years |
Gross Carrying Amount | $ 1.7 | 20.9
Accumulated Amortization | $ (0.4) | (9.8)
Trademarks and trade names |  |
Schedule of Finite-lived and Indefinite-lived Intangible Assets |  |
Weighted Average Useful Life (in years) | 13 years |
Gross Carrying Amount | $ 2.6 | 2.4
Accumulated Amortization | $ (1.4) | (1.2)
Land use rights |  |
Schedule of Finite-lived and Indefinite-lived Intangible Assets |  |
Weighted Average Useful Life (in years) | 50 years |
Gross Carrying Amount | $ 10.6 | 11.0
Accumulated Amortization | $ (1.3) | $ (1.2)

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