Quarterly report pursuant to Section 13 or 15(d)

Goodwill

v3.19.1
Goodwill
 3 Months Ended
Mar. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill
6. Goodwill:
The change in the carrying amount of goodwill for the three months ended March 31, 2019 is summarized as follows:
 
 
Refining Services
 
Catalysts
 
Performance Materials
 
Performance Chemicals
 
Total
Balance as of December 31, 2018
 
$
311,892

 
$
77,759

 
$
274,947

 
$
590,331

 
$
1,254,929

Foreign exchange impact
 
—

 
693

 
418

 
994

 
2,105

Balance as of March 31, 2019
 
$
311,892

 
$
78,452

 
$
275,365

 
$
591,325

 
$
1,257,034