COST OF REVENUE (Tables)

9 Months Ended

Sep. 30, 2016

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)	2016		2015		2016		2015
Compensation and benefits	$	66,357	$	62,997	$	201,193	$	197,213
Outside fees and services	77,445		66,952		222,574		175,021
Reimbursable expenses	12,080		26,456		41,317		89,242
Technology and telecommunications	11,502		10,630		32,145		32,878
Depreciation and amortization	6,618		6,815		20,007		20,481
Total	$	174,002	$	173,850	$	517,236	$	514,835