Other (Expense) Income, Net (Tables)

3 Months Ended

Mar. 31, 2015

Other Income and Expenses [Abstract]

Other (Expense) Income, Net

Other income, net consisted of the following:

	Three Months Ended March 31
(Thousands of Dollars)	2015			2014
Interest income	$	297		$	204
Other nonoperating income	61			35
Insurance policy expense	(106		)	(112		)
Other nonoperating expense	(3		)	(3		)
Other income, net	$	249		$	124