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OTHER INCOME AND OTHER EXPENSE (Tables)
 6 Months Ended
Jun. 30, 2020
Other Income and Other Expense Disclosure

The following table sets forth the components of other income and other expense for the periods indicated:
 
 
Three Months Ended
 
Six Months Ended
 
 
June 30,
 
June 30,
 
 
2020
 
2019
 
2020
 
2019
 
 
(Thousands of dollars)
Net periodic benefit cost other than service cost
 
$
(1,253
)
 
$
(1,469
)
 
$
(2,376
)
 
$
(3,068
)
Earnings (losses) on investments associated with nonqualified employee benefit plans
 
3,947

 
1,050

 
(312
)
 
3,491

Other, net
 
(300
)
 
(446
)
 
(706
)
 
(859
)
Total other income (expense), net
 
$
2,394

 
$
(865
)
 
$
(3,394
)
 
$
(436
)