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INCOME TAXES - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019
Income Tax Disclosure [Abstract] |  |  |
Tax Cuts And Jobs Act Of 2017, incomplete accounting, provisional liability | $ 7.9 |  | $ 7.9
Tax Cuts And Jobs Act Of 2017, incomplete accounting, provisional income tax expense (benefit) |  | $ 5.2 | 7.9
Tax Cuts And Jobs Act Of 2017, incomplete accounting, provisional liability, deferred tax assets | 2.7 |  | $ 2.7
Tax Cuts And Jobs Act Of 2017, incomplete accounting, provisional income tax expense (benefit), discrete component | $ 7.9 |  |

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