COST OF REVENUE (Tables)

6 Months Ended

Jun. 30, 2015

Cost of Revenue [Abstract]

Schedule of components of cost of revenue

The components of cost of revenue were as follows:

	Three months ended   June 30,				Six months ended   June 30,
(in thousands)	2015		2014		2015		2014
Compensation and benefits	$	64,890	$	63,121	$	134,216	$	115,771
Outside fees and services	54,822		71,365		108,069		124,193
Reimbursable expenses	30,830		32,276		62,786		61,071
Technology and telecommunications	10,355		11,849		22,248		20,690
Depreciation and amortization	7,262		5,388		13,666		10,079
Total	$	168,159	$	183,999	$	340,985	$	331,804