Other Income, Net

6 Months Ended

Jun. 30, 2013

Other Income and Expenses [Abstract]

Other Income, Net

Other Income, Net

Other income, net consisted of the following:

	Three Months Ended June 30					Six Months Ended June 30
(Thousands of Dollars)	2013			2012		2013			2012
Interest income	$	147		$	139	$	260		$	182
Other nonoperating income	2			3		5			31
Insurance policy expense	(44		)	—		(208		)	(193		)
Other income, net	$	105		$	142	$	57		$	20