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Goodwill and Intangible Assets (Tables)
 3 Months Ended
Mar. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill [Table Text Block]
The following table represents the changes in goodwill by segment:
 
Energy &
Chemicals
 
Distribution & Storage
 
BioMedical
 
Total
Balance at December 31, 2015
$
27,873

 
$
165,940

 
$
24,577

 
$
218,390

Foreign currency translation adjustments and other
—

 
868

 
—

 
868

Balance at March 31, 2016
$
27,873

 
$
166,808

 
$
24,577

 
$
219,258

 
 
 
 
 
 
 
 
Accumulated goodwill impairment loss
$
64,603

 
$
—

 
$
131,243

 
$
195,846
Schedule Of Finite Lived And Indefinite Lived Intangible Assets [Table Text Block]
The following table displays the gross carrying amount and accumulated amortization for finite-lived intangible assets and indefinite-lived intangible assets (exclusive of goodwill)(1)(2):
 
March 31, 2016
 
December 31, 2015
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Gross
Carrying
Amount
 
Accumulated
Amortization
Finite-lived intangible assets:
 
 
 
 
 
 
 
Unpatented technology
$
8,649

 
$
(2,884
)
 
$
8,530

 
$
(2,660
)
Patents
7,789

 
(6,916
)
 
7,770

 
(6,753
)
Trademarks and trade names
10,082

 
(6,994
)
 
10,052

 
(6,886
)
Customer relationships
138,463

 
(92,866
)
 
138,223

 
(90,180
)
     Land use rights
13,548

 
(637
)
 
13,484

 
(567
)
Total finite-lived intangible assets
$
178,531

 
$
(110,297
)
 
$
178,059

 
$
(107,046
)
Indefinite-lived intangible assets:
 
 
 
 
 
 
 
Trademarks and trade names
$
35,754

 
 
 
$
35,701

 
 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
The Company estimates amortization expense to be recognized during the next five years as follows:
For the Year Ending December 31,
 
2016
$
11,800

2017
10,500

2018
9,800

2019
9,800

2020
6,600

Government Grants
The Company received $8,650 in government grants in 2015 related to property, plant and equipment and land use rights related to the expansion in China. The grants are recorded in other current liabilities and other long-term liabilities in the condensed consolidated balance sheets and recognized into income over the useful life of the associated assets (20 to 50 years).