COST OF REVENUE (Tables)

9 Months Ended

Sep. 30, 2014

Cost of Revenue [Abstract]

Schedule of components of cost of revenue

The components of cost of revenue were as follows:

	Three months ended   September 30,				Nine months ended   September 30,
(in thousands)	2014		2013		2014		2013
Compensation and benefits	$	68,502	$	39,600	$	184,273	$	108,923
Outside fees and services	62,086		56,611		186,279		137,851
Reimbursable expenses	39,149		29,496		100,220		73,061
Technology and telecommunications	13,388		5,459		34,078		18,010
Depreciation and amortization	5,599		3,095		15,678		10,350
Total	$	188,724	$	134,261	$	520,528	$	348,195