Other Income, Net

6 Months Ended

Jun. 30, 2012

Other Income, Net [Abstract]

Other Income, Net

9. Other Income, Net

Other income (expense), net consisted of the following:

	Three Months Ended June 30						Six Months Ended June 30
(Thousands of Dollars)	2012			2011			2012			2011
Interest income	$	881		$	1,481		$	6,503		$	6,254
Other nonoperating income		1,157			901			2,079			1,784
Insurance policy expense		(1,061	)		(1,215	)		(3,860	)		(2,086	)
Other nonoperating expense		(249	)		(188	)		(257	)		(207	)
Other income, net	$	728		$	979		$	4,465		$	5,745