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Goodwill And Intangible Assets
12 Months Ended
Dec. 31, 2012
Goodwill And Intangible Assets [Abstract]  
Goodwill And Intangible Assets

8.   Goodwill and Intangible Assets

 

Goodwill

 

Activity related to goodwill consisted of the following (in thousands):

 

 

2012

 

 

2011

 

Balance, beginning of year

 

$

132,038

 

 

$

115,227

 

Preliminary purchase price allocations for acquisitions (Note 7)

 

 

29,132

 

 

 

17,169

 

Purchase accounting adjustments

 

 

(234

 

 

(358

Balance, end of year

 

$

160,936

 

 

$

132,038

 

 

Intangible Assets with Definite Lives

 

Following is a summary of the Company’s intangible assets that are subject to amortization (in thousands):

 

 

Year ended December 31,

 

 

2012

 

2011

 

 

Gross Carrying

Amount

 

Accumulated

Amortization

 

Net

Carrying Amount

 

Gross Carrying

Amount

 

Accumulated

Amortization

 

Net

Carrying Amount

 

Customer relationships

 

$

22,682

 

 

$

(7,299

)

 

$

15,383

 

 

$

20,713

 

 

$

(11,976

)

 

$

8,737

 

Non-compete agreements

 

 

1,156

 

 

 

(425

)

 

 

731

 

 

 

1,073

 

 

 

(309

)

 

 

764

 

Customer backlog

 

 

306

 

 

 

(184

)

 

 

122

 

 

 

--

 

 

 

--

 

 

 

--

 

Trade name

 

 

265

 

 

 

(204

)

 

 

61

 

 

 

152

 

 

 

(84

)

 

 

68

 

Internally developed software

 

 

1,642

 

 

 

(589

)

 

 

1,053

 

 

 

1,036

 

 

 

(477

)

 

 

559

 

 Total

 

$

26,051

 

 

$

(8,701

)

 

$

17,350

 

 

$

22,974

 

 

$

(12,846

)

 

$

10,128

 

 

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

 

       Customer relationships

27 years

       Non-compete agreements

15 years

       Internally developed software

35 years

       Trade name

13 years

       Customer backlog

711 months

  

The weighted average amortization periods for customer relationships and non-compete agreements are five years and four years, respectively. Total amortization expense for the years ended December 31, 2012, 2011, and 2010 was approximately $7.8 million, $6.3 million, and $4.0 million, respectively.  

 

Estimated annual amortization expense for the next five years ended December 31 is as follows (in thousands):

2013

 

$

5,906 

 

2014

 

$

4,664 

 

2015

 

$

3,128 

 

2016

 

$

2,516 

 

2017

 

$

1,013 

 

Thereafter

 

$

123