COST OF REVENUE (Tables)

12 Months Ended

Dec. 31, 2014

Cost of Revenue [Abstract]

Schedule of components of cost of revenue

The components of cost of revenue were as follows for the years ended December 31:

(in thousands)	2014		2013		2012
Compensation and benefits	$	255,889	$	156,812	$	113,145
Outside fees and services	243,325		193,233		123,338
Reimbursable expenses	137,634		102,478		96,147
Technology and telecommunications	48,834		25,534		23,404
Depreciation and amortization	21,498		14,423		10,167
Total	$	707,180	$	492,480	$	366,201