Other Income, Net (Tables)

3 Months Ended

Mar. 31, 2016

Other Income and Expenses [Abstract]

Other Income, Net

Other income, net consisted of the following:

	Three Months Ended March 31
(Thousands of Dollars)	2016			2015
Interest income	$	124		$	297
Other nonoperating income	158			61
Insurance policy income (expense)	170			(106		)
Other nonoperating expense	(3		)	(3		)
Other income, net	$	449		$	249