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INCOME TAXES (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Income Tax Contingency [Line Items]    
Tax Cuts and Jobs Act, Change in Tax Rate, Deferred Tax Asset, Income Tax Expense $ 66.4  
Unrecognized tax benefits 61.8 $ 55.6
Internal Revenue Service (IRS) [Member]    
Income Tax Contingency [Line Items]    
Operating loss carryforwards 445.4 439.1
State and Local Jurisdiction [Member]    
Income Tax Contingency [Line Items]    
Operating loss carryforwards $ 256.4 $ 246.7