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INCOME TAXES (Details) - USD ($)
$ in Millions
Jun. 30, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]    
Minimum threshold percentage required to recognize income tax benefit (in hundredths) 50.00%  
Gross unrecognized income tax benefits $ 28.3 $ 16.7
Unrecognized income tax benefits that would impact effective tax rate 28.3 16.7
Accrued interest and penalties related to unrecognized income tax benefits 9.4 8.2
Valuation allowance provided for deferred tax assets $ 16.5 $ 17.1