Asset Sales, Divestitures and Discontinued Operations (Tables)

6 Months Ended

Jun. 30, 2012

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Net Impacts Of Discontinued Operations On Earnings [Table Text Block]

	Three Months Ended June 30				Six Months Ended June 30
	2012		2011		2012		2011
	(Millions of Dollars)
Income from Continuing Operations	$	119.3	$	98.0	$	291.4	$	268.9
Income from Discontinued Operations, net of tax (a)	—		11.5		—		11.5
Net Income	$	119.3	$	109.5	$	291.4	$	280.4
(a) During 2011, we reached a favorable resolution of uncertain state and federal tax positions associated with our
previously discontinued manufacturing business.