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INCOME TAXES (Other) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income taxes      
Reserve for uncertain tax positions   $ 0.7 $ 0.3
Interest paid on income tax obligations   0.0  
Federal, State, and Local Jurisdiction | Maximum      
Income taxes      
Interest paid on income tax obligations $ 0.1   0.1
Foreign      
Income taxes      
Interest paid on income tax obligations     $ 0.2
Foreign | Maximum      
Income taxes      
Remaining accrued interest $ 0.1    
Federal | Maximum      
Income taxes      
Adjustment for completed audit   $ 0.1