ACCOUNTS RECEIVABLE, NET (Tables)

9 Months Ended

Sep. 30, 2015

Receivables [Abstract]

Schedule of accounts receivable, net

Accounts receivable, net consists of the following:

(in thousands)	September 30, 2015			December 31, 2014
Billed	$	93,113		$	73,532
Unbilled	57,487			61,326
	150,600			134,858
Less: allowance for doubtful accounts	(21,703		)	(22,675		)
Total	$	128,897		$	112,183