REVENUE REVENUE (Tables)

3 Months Ended

Mar. 31, 2016

Revenue [Abstract]

Schedule of revenue

The components of revenue were as follows for the three months ended March 31:

(in thousands)	2016		2015
Service revenue	$	234,280	$	207,816
Reimbursable expenses	15,454		31,956
Non-controlling interests	398		710
Total	$	250,132	$	240,482