Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2011

Components Of Finite-Lived Intangible Assets

	September 30, 2011					December 31, 2010
	Gross					Gross					Estimated
	Book		Accumulated			Book		Accumulated			Useful Life
	Value		Amortization			Value		Amortization			(Years)
Customer relationships	$	75,796		(28,319	)	$	37,028	$	(30,283	)		4-7
Database		492		(451	)		13,292		(12,421	)		3-6
Trade names		13,387		(7,213	)		10,601		(6,135	)		2-10
Technology		58,292		(21,543	)		27,543		(16,991	)		2-5
Non-compete agreements		7,299		(2,264	)		1,389		(860	)		4-5
State DMV relationships		6,190		(688	)		—		—			6
Total	$	161,456	$	(60,478	)	$	89,853	$	(66,690	)

Amortization Expense Related To Intangibles

	Three Months Ended September 30,				Nine Months Ended September 30,
	2011		2010		2011		2010
Intangible amortization expense	$	7,543	$	4,661	$	22,111	$	14,824

Estimated Future Amortization Expense Related To Intangible Assets

Remainder of 2011	$	7,460
2012		25,956
2013		22,815
2014		19,017
2015		15,207
2016		7,130
Thereafter		3,393
Total	$	100,978

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Estimated Future Amortization Expense Related To Intangible Assets

Remainder of 2011	$	174
2012		694
2013		694
2014		694
2015		275
Total	$	2,531