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Goodwill And Intangible Assets
6 Months Ended
Jun. 30, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill And Intangible Assets
Goodwill
The following table shows the changes in the gross carrying amounts of goodwill:
(Dollars in thousands)
Logistics
 
Truckload
 
Corporate and Eliminations
 
Total
Balance at December 31, 2011
 
 
 
 
 
 
 
Goodwill
$
55,440

 
$
464,598

 
$
727

 
$
520,765

Accumulated impairment losses
(48,236
)
 
(134,813
)
 

 
(183,049
)
 
7,204

 
329,785

 
727

 
337,716

 
 
 
 
 
 
 
 
Change in foreign currency exchange rates
448

 

 

 
448

Balances at December 31, 2012
 

 
 

 
 

 
 

Goodwill
55,888

 
464,598

 
727

 
521,213

Accumulated impairment losses
(48,236
)
 
(134,813
)
 

 
(183,049
)
 
7,652

 
329,785

 
727

 
338,164

 
 
 
 
 
 
 
 
Change in foreign currency exchange rates
(221
)
 

 

 
(221
)
Balances at June 30, 2013
 

 
 

 
 

 
 

Goodwill
55,667

 
464,598

 
727

 
520,992

Accumulated impairment losses
(48,236
)
 
(134,813
)
 

 
(183,049
)
 
$
7,431

 
$
329,785

 
$
727

 
$
337,943


Intangible Assets
Intangible assets are amortized on a straight-line basis over their estimated useful life. In the second quarter and first six months of 2013, amortization expense related to intangible assets was $0.6 million and $1.2 million, respectively, compared to $0.8 million and $1.6 million in the same periods of 2012. Intangible assets consisted of the following:
 
June 30, 2013
 
December 31, 2012
(Dollars in thousands)
Gross Carrying Amount
 
Accumulated Amortization
 
Gross Carrying Amount
 
Accumulated Amortization
Customer relationships
$
23,088

 
$
13,270

 
$
23,088

 
$
12,091


Estimated amortization expense for the next five years is presented in the following table:
(Dollars in thousands)
 
 
 
Year ending December 31:
 
Remaining six months of 2013
$
1,178

2014
2,356

2015
2,356

2016
2,356

2017
1,572

2018