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COST OF REVENUE (Tables)
 3 Months Ended
Mar. 31, 2017
Cost of Revenue [Abstract]  
Schedule of components of cost of revenue
The components of cost of revenue were as follows for the three months ended March 31:
(in thousands)
 
2017
 
2016
 
 
 
 
 
Compensation and benefits
 
$
63,092

 
$
65,063

Outside fees and services
 
85,894

 
71,803

Reimbursable expenses
 
10,029

 
15,454

Technology and telecommunications
 
11,351

 
9,940

Depreciation and amortization
 
7,587

 
6,603

 
 
 
 
 
Total
 
$
177,953

 
$
168,863