Accounts Receivable, Net

9 Months Ended

Sep. 30, 2013

Receivables [Abstract]

Accounts Receivable, Net

2. Accounts Receivable, Net

Accounts receivable balances at September 30, 2013 and December 31, 2012 were as follows (in thousands):

	September 30,			December 31,
	2013			2012
				(As Adjusted)
Trade accounts receivable	$	111,144		$	107,802
Unbilled revenue		61,826			40,762
Total accounts receivable		172,970			148,564
Allowance for doubtful accounts		(11,255	)		(11,749	)
Accounts receivable, net	$	161,715		$	136,815