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 three months ended March 31:



(in thousands)	2016		2015

Compensation and benefits	$	65,063	$	69,326
Outside fees and services	71,803		53,247
Reimbursable expenses	15,454		31,956
Technology and telecommunications	9,940		11,893
Depreciation and amortization	6,603		6,404

Total	$	168,863	$	172,826