Business Acquisitions (Tables)

3 Months Ended

Mar. 31, 2013

Business Acquisitions [Abstract]

Summary of the allocation of the aggregate fair values of the assets acquired and purchase price for the associate migrations

Fair values of net assets acquired:
Equipment	$	10
Intangible assets, primarily non-compete agreements		171
Working capital, including work in progress		666
Goodwill		695
Fair value of net assets acquired	$	1,542
Fair value of purchase price	$	1,542

Unaudited pro forma condensed financial information

	Three Months Ended March 31,
	2012
Revenue	$	51,649
Net earnings	$	359