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Identified Intangible Assets and Goodwill, Net
12 Months Ended
Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
Identified Intangible Assets and Goodwill, Net [Text Block]
Identified Intangible Assets and Goodwill, Net

The carrying amount of the identified intangibles and goodwill acquired in connection with our investments in businesses were as follows:
 
 Weighted-Average Amortization
Period (Years)
 
December 31, 2015
 
December 31, 2014
 
 
Carrying
Amount
 
Accumulated
Amortization
 
Carrying
Amount
 
Accumulated
Amortization
Amortized intangible assets:
 
 
 
 
 
 
 
 
 
 
Customer lists/relationships
2.5
years
 
$
16,805

 
$
13,764

 
$
16,076

 
$
12,560

Employment-related
2.5
years
 
6,811

 
6,008

 
7,026

 
5,776

Tradenames
2.8
years
 
5,502

 
4,539

 
5,286

 
4,153

Total
 
 
 
29,118

 
$
24,311

 
28,388

 
$
22,489

Less accumulated amortization
 
 
 
24,311

 
 

 
22,489

 
 

Identified intangibles, net
 
 
 
4,807

 
 

 
5,899

 
 

Unamortized intangible assets:
 
 
 
 

 
 

 
 

 
 

Goodwill
Not amortized
 
 
29,474

 
 

 
28,164

 
 

 
 
 
 
$
34,281

 
 

 
$
34,063

 
 




The changes in the carrying amounts of goodwill, by segment, for the year ended December 31, 2015 follow:
 
Balance at
January 1,
2015
 
Acquisitions
 
Translation
and Other
Adjustments
 
Balance at
December 31,
2015
Utility
$
3,424

 
$

 
$

 
$
3,424

Residential and Commercial
24,740

 
1,410

 
(100
)
 
26,050

Total
$
28,164

 
$
1,410

 
$
(100
)
 
$
29,474


 
Estimated future aggregate amortization expense of intangible assets--The estimated aggregate amortization expense of intangible assets, as of December 31, 2015, in each of the next five years follows:
 
 
Estimated Future
Amortization Expense
Year ending December 31, 2016
 
$
1,781

2017
 
1,322

2018
 
585

2019
 
466

2020
 
411