Business Acquisitions (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Net Assets Acquired in Business Acquisitions

The following table summarizes the net assets acquired as a result of the acquisitions that occurred during 2012 and 2011:



	December 31,
(in thousands)	2012			2011
Current assets	$	6,262		$	9,710
Property and equipment	1,328			1,626
Intangible assets	20,246			20,970
Deferred tax asset, (net)	—			9,294
Other assets	202			—
Goodwill	67,376			80,516
Total assets acquired	95,414			122,116
Less: liabilities assumed	(34,302		)	(15,696		)
Net assets acquired	61,112			106,420

Schedule of Identified Intangible Assets Acquired as Part of Business Acquisitions

The following table summarizes the separately identified intangible assets acquired as a result of the acquisitions that occurred during 2012 and 2011:



	December 31,
	2012			2011
			Weighted Average			Weighted Average
Intangible asset Category	Fair Value		Useful Life	Fair Value		Useful Life
	(in thousands)		(in years)	(in thousands)		(in years)
Customer relationships	$	17,365	10.9	$	16,594	11.7
Developed technology	2,327		4.5	2,406		5.3
Non-compete agreements	118		5.0	—		0.0
Trademarks	436		10.0	1,970		13.4
Total acquired intangible assets	$	20,246	10.1	$	20,970	11.2

Schedule of Intangible Assets, Future Amortization Expense

Estimated aggregate future amortization expense for the intangible assets recorded as part of the business acquisitions described above and other prior acquisitions is as follows:



Estimated Amortization Expenses (in thousands):
For the year ended December 31, 2013	$	7,067
For the year ended December 31, 2014	6,688
For the year ended December 31, 2015	6,024
For the year ended December 31, 2016	5,705
For the year ended December 31, 2017	5,226
Thereafter	21,881

	$	52,591