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INCOME TAXES (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Sep. 30, 2019
Dec. 31, 2018
Valuation Allowance [Line Items]        
Effective tax rate 3.60%   135.50%  
Effective tax rate, excluding discrete items 7.00%   2.60%  
Valuation allowance   $ 36.0    
Valuation allowance, income tax expense   35.8    
Deferred tax assets, other comprehensive loss   $ 0.2    
Unrecognized tax benefits $ 0.7   $ 0.7  
Unrecognized tax benefits that would impact effective tax rate 5.7   5.7  
Reduction in unrecognized tax benefits from statute of limitations expirations 0.9      
Gross decrease to current year unrecognized tax benefits related to federal and state tax issues     0.1  
Domestic Tax Authority [Member]        
Valuation Allowance [Line Items]        
Valuation allowance $ 37.7   $ 37.7  
State and Local Jurisdiction [Member]        
Valuation Allowance [Line Items]        
Valuation allowance       $ 1.2