Quarterly report pursuant to Section 13 or 15(d)

Goodwill

v3.19.2
Goodwill
 6 Months Ended
Jun. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill
7. Goodwill:
The change in the carrying amount of goodwill for the six months ended June 30, 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
 
—

 
90

 
742

 
2,480

 
3,312

Balance as of June 30, 2019
 
$
311,892

 
$
77,849

 
$
275,689

 
$
592,811

 
$
1,258,241