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INCOME TAXES (Details) - USD ($)
$ in Millions
Mar. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]    
Gross unrecognized income tax benefits $ 19.1 $ 18.4
Accrued interest and penalties related to unrecognized income tax benefits 10.0 9.9
Valuation allowance provided for deferred tax assets $ 32.3 $ 31.3