Other Income, Net

3 Months Ended

Mar. 31, 2018

Other Income and Expenses [Abstract]

Other Income, Net

Other Income, Net

Other income, net consisted of the following:

	Three Months Ended March 31
(Thousands of Dollars)	2018			2017
Other nonoperating income	$	482		$	3,431
Interest (expense) income	(136		)	375
Insurance policy expense	(77		)	(79		)
Benefits non-service cost	(29		)	(513		)
Other nonoperating expense	(9		)	(10		)
Other income, net	$	231		$	3,204