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Other (Expense) Income, Net
 9 Months Ended
Sep. 30, 2016
Other Income and Expenses [Abstract]  
Other (Expense) Income, Net
Other (Expense) Income, Net

Other (expense) income, net consisted of the following:
 
 
Three Months Ended Sept. 30
 
Nine Months Ended Sept. 30
(Thousands of Dollars)
 
2016
 
2015
 
2016
 
2015
Interest (expense) income
 
$
(73
)
 
$
11

 
$
65

 
$
299

Other nonoperating income
 
33

 
72

 
299

 
202

Insurance policy (expense) income
 
(58
)
 
20

 
70

 
(109
)
Other nonoperating expense
 
(4
)
 
(3
)
 
(10
)
 
(8
)
Other (expense) income, net
 
$
(102
)
 
$
100

 
$
424

 
$
384