NOTE 13 — 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 expenses as well as depreciation and amortization of operating assets. The components of cost of revenue were as follows:

	Three months ended September 30,				Nine months ended September 30,
(in thousands)	2013		2012		2013		2012

Compensation and benefits	$	39,600	$	28,840	$	108,923	$	84,314
Outside fees and services	56,611		31,084		137,851		91,494
Reimbursable expenses	29,496		24,326		73,061		77,846
Technology and telecommunications	5,459		6,900		18,010		17,890
Depreciation and amortization	3,095		3,137		10,350		7,241

Total	$	134,261	$	94,287	$	348,195	$	278,785