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BASIS OF PRESENTATION (Details) $ in Millions |  |  | 3 Months Ended | 8 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Aug. 31, 2018 USD ($) | Aug. 30, 2018 segment | Dec. 31, 2018 USD ($) | Sep. 30, 2018 USD ($) | Aug. 31, 2018 USD ($) | Dec. 31, 2018 USD ($) segment store | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Number of reportable segments | segment |  | 2 |  |  |  | 1 |  |
Gain (loss) on sale of business |  |  |  |  |  | $ 178.9 | $ 0.0 | $ 0.0
Net sales |  |  |  |  |  | 352.0 | 590.6 | 938.8
Income (loss) from discontinued operations, net of tax |  |  |  |  |  | $ 175.2 | (25.1) | (36.5)
NATG |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Number of remaining stores | store |  |  |  |  |  | 3 |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | French Business Unit |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Gain (loss) on sale of business |  |  |  |  | $ 175.8 | $ 175.8 |  |
Proceeds from divestiture of businesses |  |  |  | $ 267.3 |  |  |  |
Favorable purchase price adjustments |  |  | $ 0.7 |  |  |  |  |
Disposal group, assets | $ 82.5 |  | $ 82.5 |  | $ 82.5 | 82.5 |  |
Disposal group, accelerated amortization for share based compensation | 1.5 |  |  |  |  | 1.5 |  |
Disposal group, transaction and exit costs | 5.1 |  |  |  |  | 5.1 |  |
Disposal group, operating expense requiring use of cash | $ 5.1 |  |  |  |  | 5.1 |  |
Transition services, period | 6 months |  |  |  |  |  |  |
Net sales |  |  |  |  |  | 352.0 | 473.6 | 417.2
Income (loss) from discontinued operations, net of tax |  |  |  |  |  | 175.8 | 10.6 | 13.0
Disposal Group, Disposed of by Sale, Not Discontinued Operations | SARL Business Segment |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  | 0.0 | 117.0 | 509.8
Income (loss) from discontinued operations, net of tax |  |  |  |  |  | 0.2 | (28.2) | (24.8)
Disposal Group, Disposed of by Sale, Not Discontinued Operations | NATG |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  | 0.0 | 0.0 | 11.8
Income (loss) from discontinued operations, net of tax |  |  |  |  |  | (0.8) | $ (7.5) | $ (24.7)
Disposal Group, Disposed of by Sale, Not Discontinued Operations | IPG |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Gain (loss) on sale of business |  |  |  |  |  | 3.1 |  |
ETG - discontinued | Disposal Group, Disposed of by Sale, Not Discontinued Operations | French Business Unit |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Gain (loss) on sale of business |  |  |  |  |  | $ 178.9 |  |

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