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Interest Income and Other (Tables)
 12 Months Ended
Dec. 31, 2017
Other Income and Expenses [Abstract]  
Schedule of Interest Income and Other
The table below presents the components of “Interest income and other” as shown on the Consolidated Statements of Comprehensive Income.
 
Year Ended December 31,
Interest Income and Other
2017
 
2016
 
2015
Interest income
$
3,968

 
$
4,420

 
$
4,996

Foreign exchange transaction gains (losses), net
(77
)
 
4,937

 
(940
)
Other
(139
)
 
1,109

 
(824
)
Total
$
3,752

 
$
10,466

 
$
3,232