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ACCRUED EXPENSES (Tables)
12 Months Ended
Dec. 31, 2018
Payables and Accruals [Abstract]  
Schedule of accrued expenses
Accrued expenses consisted of the following (in thousands):
 
December 31,
 
2018
 
2017
Employee compensation and related costs
$
42,852

 
$
37,782

Professional fees
7,994

 
13,743

Deferred purchase consideration - Edgewater
15,000

 

Other
18,417

 
24,855

 
$
84,263

 
$
76,380