Other Income, Net (Tables)

9 Months Ended

Sep. 30, 2016

Other Income and Expenses [Abstract]

Other Income, Net

Other income, net consisted of the following:

	Three Months Ended Sept. 30						Nine Months Ended Sept. 30
(Thousands of Dollars)	2016			2015			2016			2015
Interest income	$	400		$	38		$	579		$	83
Other nonoperating (expense) income	(231		)	(156		)	16			(46		)
Insurance policy (expense) income	(32		)	221			(32		)	166
Other income, net	$	137		$	103		$	563		$	203