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Other, Net (Tables)
 12 Months Ended
Dec. 31, 2017
Other Income And Expenses [Abstract]  
Other Net in Consolidated Statements of Income

Other, net in the consolidated statements of income included the following for the years ended December 31, 2017, 2016 and 2015:

 

(In thousands)

 

2017

 

 

2016

 

 

2015

 

Foreign exchange gains (losses)

 

$

(646

)

 

$

(14

)

 

$

686

 

Investment income

 

 

989

 

 

 

690

 

 

 

877

 

Realized and unrealized gains on investments

 

 

4,178

 

 

 

152

 

 

 

21

 

Other, net

 

$

4,521

 

 

$

828

 

 

$

1,584