Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets [Abstract]

Changes in the Carrying Amount Of Goodwill

The changes in the carrying amount of goodwill for the three months ended March 31, 2015 are as follows (in thousands):

Balance at December 31, 2014	$	236,130
Preliminary purchase price allocations for acquisitions (Note 7)		16,698
Effect of foreign currency adjustments and other		(9	)
Balance at March 31, 2015	$	252,819

Summary of Intangible Assets

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

	March 31, 2015							December 31, 2014
	Gross Carrying Amounts		Accumulated Amortization			Net Carrying Amounts		Gross Carrying Amounts		Accumulated Amortization			Net Carrying Amounts
Customer relationships	$	65,290	$	(18,770	)	$	46,520	$	54,389	$	(16,595	)	$	37,794
Non-compete agreements		1,573		(882	)		691		1,601		(866	)		735
Customer backlog		1,040		(391	)		649		2,341		(2,265	)		76
Trade name		88		(36	)		52		167		(148	)		19
Internally developed software		8,890		(1,469	)		7,421		8,897		(1,416	)		7,481
Total	$	76,881	$	(21,548	)	$	55,333	$	67,395	$	(21,290	)	$	46,105

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	9 – 11 months