Accounts Receivable (Tables)

6 Months Ended

Jun. 30, 2012

Components Of Accounts Receivable

	As of
	June 30, 2012			December 31, 2011
Gross accounts receivable	$	157,203		$	156,790
Accounts receivable reserves		(1,057	)		(1,560	)
Accounts receivable, net	$	156,146		$	155,230