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INCOME TAXES (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
INCOME TAXES |  |  |  |
Effective tax rate (as a percent) | (37.00%) | (15.60%) | (12.00%) | 25.40%
Benefit from the reversal of unrecognized tax positions due to statute expiration | $ 2.9 | $ 1.1 | $ 2.9 | $ 0.6
Interest on unrecognized tax position | $ 0.5 |  | 1.0 |
Income tax benefit from reversal of deferred tax liability due to intercompany debt restructure |  | $ 0.5 |  | $ 0.5
Change in valuation allowance |  |  | 0.4 |
Benefit (net) related to remeasurement of existing losses |  |  | $ 0.3 |

X
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to interest expenses on unrecognized tax positions. + References No definition available. + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to remeasurement of existing losses at higher rate as allowed by CARES Act. + References No definition available. + Details
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