ACCOUNTS RECEIVABLE, NET (Tables)

6 Months Ended

Jun. 30, 2015

Receivables [Abstract]

Schedule of accounts receivable, net

Accounts receivable, net consists of the following:

(in thousands)	June 30, 2015			December 31, 2014
Billed	$	75,896		$	73,532
Unbilled	65,407			61,326
	141,303			134,858
Less: allowance for doubtful accounts	(24,537		)	(22,675		)
Total	$	116,766		$	112,183