Other Income, Net

3 Months Ended

Mar. 31, 2018

Other Income and Expenses [Abstract]

Other Income, Net

Other (Expense), Net

Other (expense), net consisted of the following:

	Three Months Ended March 31
(Thousands of Dollars)	2018			2017
Interest income	$	156		$	143
Other nonoperating income	6			155
Benefits non-service cost	(471		)	(678		)
Insurance policy expense	(47		)	(49		)
Other nonoperating expense	(3		)	(3		)
Other (expense), net	$	(359	)	$	(432	)