Goodwill And Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2014

Goodwill And Intangible Assets [Abstract]

Changes In The Carrying Amount Of Goodwill

The changes in the carrying amount of goodwill for the six months ended June 30, 2014 are as follows (in thousands):

Balance at December 31, 2013	$	193,510
Preliminary purchase price allocations for acquisitions (Note 7)		41,863
Purchase accounting adjustments		(170	)
Balance at June 30, 2014	$	235,203

Summary Of Intangible Assets

The following table presents a summary of the Company's intangible assets that are subject to amortization (in thousands):

	June 30, 2014							December 31, 2013
	Gross Carrying Amounts		Accumulated Amortization			Net Carrying Amounts		Gross Carrying Amounts		Accumulated Amortization			Net Carrying Amounts
Customer relationships	$	54,389	$	(11,476	)	$	42,913	$	31,156	$	(10,835	)	$	20,321
Non-compete agreements		1,745		(848	)		897		1,477		(715	)		762
Customer backlog		2,977		(1,079	)		1,898		402		(170	)		232
Trade name		213		(88	)		125		159		(83	)		76
Internally developed software		7,932		(720	)		7,212		4,604		(508	)		4,096
Total	$	67,256	$	(14,211	)	$	53,045	$	37,798	$	(12,311	)	$	25,487

Estimated Useful Lives Of Identifiable Intangible Assets

The estimated useful lives of identifiable intangible assets are as follows:

Customer relationships	3 – 10 years
Non-compete agreements	3 – 5 years
Internally developed software	1 – 7 years
Trade name	1  year
Customer backlog	8 – 11 months