Other Income, Net (Tables)

12 Months Ended

Dec. 31, 2013

Other Income and Expenses [Abstract]

Other Income, Net

Other income, net for the years ended Dec. 31 consisted of the following:

(Thousands of Dollars)	2013			2012			2011
Interest income	$	663		$	379		$	506
Other nonoperating income	9			36			11
Insurance policy expense	(532		)	(369		)	(111		)
Other income, net	$	140		$	46		$	406