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Goodwill and Intangible Assets
6 Months Ended
Jun. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets
Goodwill and Intangible Assets

Goodwill

The table below summarizes changes in goodwill recorded by the Company during the periods ended June 30, 2018 and December 31, 2017, respectively:

 
June 30,
2018
 
December 31,
2017
Beginning balance, January 1
$
69,483

 
$
66,351

Additions

 
3,132

Ending balance
$
69,483

 
$
69,483



At June 30, 2018, goodwill totaled $69.5 million, of which $33.8 million relates to the marine segment and $35.7 million relates to the concrete segment.

As discussed previously in Note 2, goodwill is reviewed at a reporting unit level for impairment annually as of October 31 or whenever circumstances arise that indicate a possible impairment might exist. Test of impairment requires a two-step process to be performed to analyze whether or not goodwill has been impaired. The first step of this test used to identify potential impairment, compares the estimated fair value of a reporting unit with its carrying amount. The second step, if necessary, quantifies the impairment. No indicators of goodwill impairment were identified during the six months ended June 30, 2018.

Intangible assets

The tables below present the activity and amortization of finite-lived intangible assets:

 
Six months ended June 30,
 
2018
 
2017
Intangible assets, January 1
$
35,240

 
$
34,362

Additions

 
878

Total intangible assets, end of period
35,240

 
35,240

 
 

 
 
Accumulated amortization, January 1
$
(23,955
)
 
$
(19,220
)
Current year amortization
(1,694
)
 
(2,613
)
Total accumulated amortization
(25,649
)
 
(21,833
)
 
 

 
 
Net intangible assets, end of period
$
9,591

 
$
13,407



Finite-lived intangible assets were acquired as part of the purchases of TAS and TBC which includes customer relationships. Customer relationships for TAS were valued at approximately $18.1 million and are currently being amortized over eight years. Customer relationships for TBC were valued at approximately $0.7 million and are currently being amortized over seven years. Both of these assets are amortized using an accelerated method based on the pattern in which the economic benefits of the assets are consumed. For the six months ended June 30, 2018, $1.7 million of amortization expense was recognized for these assets. Future expense remaining of approximately $9.6 million will be amortized as follows:
2018
1,694

2019
2,642

2020
2,071

2021
1,520

Thereafter
1,664

 
$
9,591


Additionally, the Company has one indefinite-lived intangible asset, a trade name, as described in Note 2. At June 30, 2018 the trade name was valued at approximately $6.9 million and no indicators of impairment existed.