XML 57 R20.htm IDEA: XBRL DOCUMENT v3.19.3
OTHER INCOME AND OTHER EXPENSE (Notes)
 9 Months Ended
Sep. 30, 2019
Other Income and Other Expense Disclosure [Text Block]
OTHER INCOME AND OTHER EXPENSE

The following table sets forth the components of other income and other expense for the periods indicated:
 
 
Three Months Ended
 
Nine Months Ended
 
 
September 30,
 
September 30,
 
 
2019
 
2018
 
2019
 
2018
 
 
(Thousands of dollars)
Net periodic benefit cost other than service cost
 
$
(1,364
)
 
$
(2,336
)
 
$
(4,432
)
 
$
(6,473
)
Other, net
 
(33
)
 
407

 
2,599

 
186

Total other expense, net
 
$
(1,397
)
 
$
(1,929
)
 
$
(1,833
)
 
$
(6,287
)