Other Income, Net (Tables)

6 Months Ended

Jun. 30, 2014

Other Income and Expenses [Abstract]

Other Income, Net

Other income, net consisted of the following:

	Three Months Ended June 30						Six Months Ended June 30
(Thousands of Dollars)	2014			2013			2014			2013
Interest income	$	157		$	843		$	646		$	1,757
Other nonoperating income	1,200			637			1,875			1,519
Insurance policy expense	(445		)	(158		)	(812		)	(377		)
Other income, net	$	912		$	1,322		$	1,709		$	2,899