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INCOME TAXES (Narratives) (Details)
$ in Millions
3 Months Ended
Mar. 31, 2018
USD ($)
Income Tax Disclosure [Abstract]  
Tax Cuts And Jobs Act Of 2017, incomplete accounting, transition tax for accumulated foreign earnings, provisional income tax expense (benefit) $ 2.5
Unrecognized tax benefits 35.3
Unrecognized tax benefits, excluding interest and penalties, that are expected to be settled within the next 12 months 5.1
Accrued income-tax related interest and penalties 3.0
Accrued income tax penalties 1.3
Income-tax related interest expense $ 0.2