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RESTRUCTURING CHARGES (Details 1) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 95 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Accrued restructuring costs | $ 7.5 |  |  | $ 21.9 |  |  | $ 7.5 | $ 21.9 | $ 7.5 | $ 5.1 | $ 12.7
Restructuring charges | 3.3 | $ 6.4 | $ 4.0 | 9.2 | $ 8.5 | $ 8.2 | 13.7 | 25.9 | 200.9 |  |
Amounts utilized |  |  |  |  |  |  | (11.3) | (16.7) |  |  |
Employee severance and related benefit costs |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Accrued restructuring costs | 0.4 |  |  | 0.4 |  |  | 0.4 | 0.4 | 0.4 | 1.8 | 3.4
Restructuring charges | 0.3 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 |  |  | 23.3 |  |
Amounts utilized |  |  |  |  |  |  | (1.8) | (3.0) |  |  |
Lease and other contract termination costs |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Accrued restructuring costs | 6.1 |  |  | 21.4 |  |  | 6.1 | 21.4 | 6.1 | 3.3 | 7.5
Restructuring charges | 0.3 | 3.7 | 0.4 | 7.0 | 5.8 | 5.7 |  |  | 45.3 |  |
Amounts utilized |  |  |  |  |  |  | (1.6) | (4.6) |  |  |
Employee relocation costs |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Accrued restructuring costs | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 | 0.0 | 0.0 | 0.0
Restructuring charges | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.2 |  |  | 7.7 |  |
Amounts utilized |  |  |  |  |  |  | 0.0 | (0.3) |  |  |
Facility exit costs |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Accrued restructuring costs | 1.0 |  |  | 0.1 |  |  | 1.0 | 0.1 | 1.0 | $ 0.0 | $ 1.8
Restructuring charges | $ 2.7 | $ 2.6 | $ 3.6 | $ 2.2 | $ 2.6 | $ 2.3 |  |  | 38.9 |  |
Amounts utilized |  |  |  |  |  |  | $ (7.9) | $ (8.8) |  |  |
Write-off of equipment and facility |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |  |  | $ 81.6 |  |

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