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Reportable Segments (Tables)
 9 Months Ended
Sep. 30, 2016
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment
The following table represents information for the Company’s reportable segments and its corporate function:
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2016
 
2015
 
2016
 
2015
Sales
 
 
 
 
 
 
 
Energy & Chemicals
$
23,711

 
$
78,388

 
$
122,865

 
$
257,197

Distribution & Storage
126,646

 
129,590

 
363,743

 
356,474

BioMedical
53,573

 
56,069

 
158,174

 
165,733

Consolidated
$
203,930

 
$
264,047

 
$
644,782

 
$
779,404

Operating Income (Loss) (1) (2)
 
 
 
 
 
 
 
Energy & Chemicals
$
(5,736
)
 
$
10,795

 
$
14,190

 
$
45,626

Distribution & Storage
14,715

 
8,027

 
37,550

 
29,184

BioMedical
20,916

 
5,966

 
38,120

 
15,202

Corporate
(9,831
)
 
(9,179
)
 
(34,820
)
 
(34,317
)
Consolidated
$
20,064

 
$
15,609

 
$
55,040

 
$
55,695