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Intangible Assets, Goodwill And Other Assets
12 Months Ended
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets, Goodwill And Other Assets
9. Intangible Assets, Goodwill and Other Assets
Intangible Assets
The following table reflects the components of intangible assets being amortized at December 31, 2013 and 2012:
 
 
 
 
December 31, 2013
 
December 31, 2012
 
Weighted
Amortization
Period in Years
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Carrying
Value
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Carrying
Value
Refinery Services:
 
 
 
 
 
 
 
 
 
 
 
 
 
Customer relationships
5
 
$
94,654

 
$
76,283

 
$
18,371

 
$
94,654

 
$
69,167

 
$
25,487

Licensing agreements
6
 
38,678

 
26,055

 
12,623

 
38,678

 
22,892

 
15,786

Supplier relationships
2
 

 

 

 
36,469

 
36,469

 

Segment total
 
 
133,332

 
102,338

 
30,994

 
169,801

 
128,528

 
41,273

Supply & Logistics:
 
 
 
 
 
 
 
 
 
 
 
 
 
Customer relationships
5
 
35,430

 
28,568

 
6,862

 
35,430

 
26,403

 
9,027

Intangibles associated with lease
15
 
13,260

 
3,039

 
10,221

 
13,260

 
2,565

 
10,695

Trade names
4
 

 

 

 
18,888

 
18,888

 

Segment total
 
 
48,690

 
31,607

 
17,083

 
67,578

 
47,856

 
19,722

Other
5
 
21,356

 
6,505

 
14,851

 
18,932

 
4,862

 
14,070

Total
 
 
$
203,378

 
$
140,450

 
$
62,928

 
$
256,311

 
$
181,246

 
$
75,065


The licensing agreements referred to in the table above relate to the agreements we have with refiners to provide services. The supply and logistics lease relates to a terminal facility in Shreveport, Louisiana.
We are recording amortization of our intangible assets based on the period over which the asset is expected to contribute to our future cash flows. Generally, the contribution to our cash flows of the customer and supplier relationships, licensing agreements and trade name intangible assets is expected to decline over time, such that greater value is attributable to the periods shortly after the acquisition was made. The supply and logistics lease and other intangible assets are being amortized on a straight-line basis. Amortization expense on intangible assets was $14.6 million, $19.9 million and $30.9 million for the years ended December 31, 2013, 2012 and 2011, respectively.
The following table reflects our estimated amortization expense for each of the five subsequent fiscal years:
 
 
2014
 
2015
 
2016
 
2017
 
2018
Refinery Services:
 
 
 
 
 
 
 
 
 
Customer relationships
$
5,597

 
$
4,405

 
$
3,471

 
$
2,737

 
$
2,161

Licensing agreements
2,928

 
2,711

 
2,510

 
2,324

 
2,150

Supply and Logistics:
 
 
 
 
 
 
 
 
 
Customer relationships
1,660

 
1,275

 
981

 
757

 
586

Intangibles associated with lease
474

 
474

 
474

 
474

 
474

Other
1,921

 
1,913

 
1,880

 
1,862

 
1,862

Total
$
12,580

 
$
10,778

 
$
9,316

 
$
8,154

 
$
7,233





Goodwill
The carrying amount of goodwill by business segment at both December 31, 2013 and 2012 was $301.9 million in refinery services and $23.1 million in supply and logistics. We have not recognized any impairment losses related to goodwill for any of the periods presented.
Other Assets
Other assets consisted of the following:
 
December 31,
 
2013
 
2012
CO2 volumetric production payments, net of amortization
$
4,421

 
$
8,320

Other deferred costs and deposits
33,690

 
25,298

Other assets, net of amortization
$
38,111

 
$
33,618


The CO2 assets are being amortized on a units-of-production method. We recorded amortization of $3.9 million in 2013, $3.8 million in 2012 and $3.7 million in 2011.