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INCOME TAXES (Details 4) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Valuation Allowance [Abstract]      
Valuation allowance $ 29.0 $ 29.3 $ 16.6
Amount charged to income tax provision 8.4 1.8  
Purchase accounting (4.3) 12.3  
Amount credited to income tax provision (i.e. deduction from reserve) $ (4.4) $ (1.4)