Other Expense, Net

3 Months Ended

Mar. 31, 2013

Other Expense, Net [Abstract]

Other Expense, Net

9. Other Expense, Net

Other expense, net consisted of the following:

	Three Months Ended March 31
(Thousands of Dollars)	2013			2012
Interest income	$	113		$	43
Other nonoperating income		3			28
Insurance policy expense		(164	)		(193	)
Other expense, net	$	(48	)	$	(122	)