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Other (Income) Expense, Net (Tables)
 12 Months Ended
Dec. 31, 2019
Other Income and Expenses [Abstract]  
Other (Income) Expense, Net
Other (income) expense, net, consisted of:
Years Ended December 31
2019
 
2018
 
2017
Interest income
$
(274
)
 
$
(343
)
 
$
(385
)
Interest expense
893

 
772

 
754

Exchange losses (gains)
187

 
145

 
(11
)
Income from investments in equity securities, net (1)
(170
)
 
(324
)
 
(352
)
Net periodic defined benefit plan (credit) cost other than service cost
(545
)
 
(512
)
 
(512
)
Other, net
48

 
(140
)
 
6

 
$
139

 
$
(402
)
 
$
(500
)

(1) Includes net realized and unrealized gains and losses from investments in equity securities either owned directly or through ownership interests in investment funds.