COST OF REVENUE (Tables)

12 Months Ended

Dec. 31, 2016

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)	2016		2015		2014
Compensation and benefits	$	264,796	$	261,839	$	255,889
Outside fees and services	302,156		248,278		243,325
Reimbursable expenses	52,011		107,344		137,634
Technology and telecommunications	44,295		43,177		48,834
Depreciation and amortization	26,787		26,689		21,498
Total	$	690,045	$	687,327	$	707,180