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RESTRUCTURING AND OTHER COSTS - ADDITIONAL INFORMATION (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 9 Months Ended
--- | --- | --- | ---
Sep. 30, 2019 | Mar. 31, 2019 | Sep. 30, 2018 | Jun. 30, 2019 | Sep. 30, 2019 | Sep. 30, 2018
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring, incurred cost | $ 5.2 |  | $ 12.1 | $ 68.1 |  | $ 211.2
Fixed asset impairment |  |  |  |  | $ 33.4 | 0.0
Indefinite-lived intangible asset impairment |  | $ 5.3 |  |  | 5.3 | 179.2
Net restructuring costs |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring, incurred cost | (1.9) |  | 11.7 |  | 23.0 | 22.5
Other Restructuring Costs |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring, incurred cost | 7.1 |  | $ 0.4 |  | 45.1 | 188.7
Fixed asset impairment |  |  |  |  | 32.8 |
Asset impairment |  |  |  |  | $ 9.1 |
Technologies & Equipment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Indefinite-lived intangible asset impairment |  |  |  |  |  | $ 179.2
Consumables | Other Restructuring Costs |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Impairment of intangible assets | $ 3.8 |  |  |  |  |

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