Other Income, Net (Tables)

6 Months Ended

Jun. 30, 2017

Other Income and Expenses [Abstract]

Other Income, Net

Other income, net consisted of the following:

	Three Months Ended June 30						Six Months Ended June 30
(Thousands of Dollars)	2017			2016			2017			2016
Interest income	$	61		$	14		$	204		$	138
Other nonoperating income	75			108			230			266
Insurance policy (expense) income	(49		)	(42		)	(98		)	128
Other nonoperating expense	(4		)	(3		)	(7		)	(6		)
Other income, net	$	83		$	77		$	329		$	526