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Goodwill and Intangible Assets (Notes)
9 Months Ended
Sep. 30, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Disclosure [Text Block]
Goodwill and Intangible Assets
Goodwill
The following table represents the changes in goodwill by segment:
 
Energy &
Chemicals
 
Distribution & Storage
 
BioMedical
 
Total
Balance at December 31, 2012
$
83,215

 
$
158,789

 
$
156,937

 
$
398,941

Foreign currency translation adjustments and other

 
580

 
(1,301
)
 
(721
)
Goodwill acquired during the year

 
879

 

 
879

Balance at September 30, 2013
$
83,215

 
$
160,248

 
$
155,636

 
$
399,099


Intangible Assets
The following table displays the gross carrying amount and accumulated amortization for finite-lived intangible assets and indefinite-lived intangible assets (exclusive of goodwill):
 
September 30, 2013
 
December 31, 2012
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Gross
Carrying
Amount
 
Accumulated
Amortization
Finite-lived intangible assets:
 
 
 
 
 
 
 
Unpatented technology
$
43,081

 
$
(11,185
)
 
$
45,078

 
$
(11,286
)
Patents
7,908

 
(5,217
)
 
9,880

 
(6,664
)
Product names
9,250

 
(4,063
)
 
9,068

 
(2,712
)
Customer relations
159,058

 
(70,167
)
 
158,005

 
(59,668
)
Total finite-lived intangible assets
$
219,297

 
$
(90,632
)
 
$
222,031

 
$
(80,330
)
Indefinite-lived intangible assets:
 
 
 
 
 
 
 
Trademarks and trade names
$
47,931

 
 
 
$
47,762

 
 
Total indefinite-lived intangible assets
$
47,931

 
 
 
$
47,762

 
 

Amounts include the impact of foreign currency translation. Fully amortized amounts are written off.
Amortization expense for intangible assets subject to amortization was $4,825 and $14,642 for the three and nine months ended September 30, 2013, respectively, and $3,810 and $10,130 for the three and nine months ended September 30, 2012, respectively. The Company estimates amortization expense to be recognized during the next five years as follows:
For the Year Ending December 31,
 
2013
$
19,200

2014
17,800

2015
16,200

2016
14,300

2017
13,400