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Impairment Of Goodwill (Tables)
 9 Months Ended
Sep. 30, 2016
Goodwill And Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill

The change in the carrying value of goodwill for the period ended September 30, 2015 is as follows:

 

 

 

Dredging Segment

 

 

Environmental & Infrastructure Segment

 

 

Total

 

Balance — December 31, 2014

 

$

76,576

 

 

$

9,750

 

 

$

86,326

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Impairment of goodwill

 

 

—

 

 

 

(2,750

)

 

 

(2,750

)

 

 

 

 

 

 

 

 

 

 

 

 

 

BALANCE—September 30, 2015

 

$

76,576

 

 

$

7,000

 

 

$

83,576