XML 44 R31.htm IDEA: XBRL DOCUMENT v3.4.0.3
Goodwill (Tables)
 3 Months Ended
Mar. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in the carrying value of goodwill
Changes in the carrying value of goodwill for each reporting unit are as follows (in thousands):
 
Energy Chemistry Technologies
 
Consumer and Industrial Chemistry Technologies
 
 Teledrift
 
Production Technologies
 
Total
Balance at December 31, 2015
$
36,318

 
$
19,480

 
$
15,333

 
$
1,689

 
$
72,820

Goodwill impairment recognized
—

 
—

 
—

 
—

 
—

Balance at March 31, 2016
$
36,318

 
$
19,480

 
$
15,333

 
$
1,689

 
$
72,820