Accounts Receivable (Tables)

3 Months Ended

Mar. 31, 2013

Schedule Of Accounts Receivable

Accounts receivable (in thousands) consisted of the following, as of:

	March 31,			December 31,
	2013			2012
Billed and billable	$	140,122		$	176,511
Less: unpaid deferred revenue		(66,533	)		(83,107	)
Accounts receivable, gross		73,589			93,404
Less: allowance for doubtful accounts		(4,103	)		(4,366	)
Accounts receivable, net	$	69,486		$	89,038