ACCOUNTS RECEIVABLE, NET (Tables)

3 Months Ended

Mar. 31, 2016

Receivables [Abstract]

Schedule of accounts receivable, net

Accounts receivable, net consists of the following:

(in thousands)	March 31, 2016			December 31, 2015
Billed	$	63,950		$	67,021
Unbilled	53,026			56,458
	116,976			123,479
Less: allowance for doubtful accounts	(19,331		)	(18,456		)
Total	$	97,645		$	105,023