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COST OF REVENUE
12 Months Ended
Dec. 31, 2015
Cost of Revenue [Abstract]  
COST OF REVENUE
COST OF REVENUE
 
Cost of revenue principally includes payroll and employee benefits associated with personnel employed in customer service and operations roles, fees paid to external providers related to the provision of services, reimbursable expenses, technology and telecommunications costs as well as depreciation and amortization of operating assets. The components of cost of revenue were as follows for the years ended December 31:
(in thousands)
 
2015
 
2014
 
2013
 
 
 
 
 
 
 
Compensation and benefits
 
$
261,839

 
$
255,889

 
$
156,812

Outside fees and services
 
248,278

 
243,325

 
193,233

Reimbursable expenses
 
107,344

 
137,634

 
102,478

Technology and telecommunications
 
43,177

 
48,834

 
25,534

Depreciation and amortization
 
26,689

 
21,498

 
14,423

 
 
 
 
 
 
 
Total
 
$
687,327

 
$
707,180

 
$
492,480