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FAIR VALUE (Textual) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Assets and liabilities measured at fair value on a recurring basis    
Contingent consideration $ 7,086  
Business Combination Arrangement Remaining Interest Period 3 years  
Other Assets, Current $ 123,836 $ 96,213
Other Liabilities, Current 119,655 97,806
Fair Value, Measurements, Recurring [Member]    
Assets and liabilities measured at fair value on a recurring basis    
Contingent consideration $ 7,086 8,154
Forward Contract   $ 15,272