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RESTRUCTURING CHARGES (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2016 | Dec. 31, 2018
Restructuring Cost and Reserve [Line Items] |  |  |
Payments for restructuring |  |  | $ 11.5
Selling, general and administrative expenses |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 46.1 | $ 5.7 |
Restructuring charges, net of tax | $ 35.0 | $ 3.7 |

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