Goodwill (Tables)

3 Months Ended

Mar. 31, 2013

	Region One		Region Two			Region Three			Region Four		Region Five		Total
Balance as of December 31, 2012	$	193,758	$	32,245		$	66,181		$	62,621	$	84,681	$	439,486
Contingent payments related to acquisitions						(6		)					(6		)
Foreign currency translation			(121		)								(121		)
Balance as of March 31, 2013	$	193,758	$	32,124		$	66,175		$	62,621	$	84,681	$	439,359

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.