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Other Income (Expense), Net
9 Months Ended
Sep. 30, 2014
Other Income and Expenses [Abstract]  
Other Income (Expense), Net
Other Income (Expense), Net

Other income (expense), net consisted of the following:
 
Three Months Ended Sept. 30
 
Nine Months Ended Sept. 30
(Thousands of Dollars)
2014
 
2013
 
2014
 
2013
Interest income
$
73

 
$
48

 
$
313

 
$
308

Other nonoperating income
1

 
1

 
1

 
6

Insurance policy expense
(8
)
 
(164
)
 
(336
)
 
(372
)
Other income (expense), net
$
66

 
$
(115
)
 
$
(22
)
 
$
(58
)