Net Income and Other Nonowner Changes in Equity (Details) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
The components of net income and other nonowner changes in equity, net of related taxes
Net income	$ 160.2	$ 141.7	$ 667.7	$ 301.9
Foreign currency translation	(54.2)	67.1	(10.5)	99.3
Change in fair value of derivatives	4.6	(3.3)	4.3	(5.8)
Pension and postretirement benefit plans	2.2	3.1	5.9	7.6
Net income and other nonowner changes in equity	112.8	208.6	667.4	403.0
Net Income and Other Nonowner Changes in Equity (Textual) [Abstract]
Write-off of recognized cumulative currency translation losses related to contribution of net assets to Tools Joint Venture				159.3
Net of Tax Write-off of recognized cumulative currency translation losses related to contribution of net assets to Tools Joint Venture				103.5
Pension and postretirement benefit plans loss related to contribution of net assets to Tools Joint Venture				1.7
Net of Tax pension and postretirement benefit plans loss related to contribution of net assets to Tools Joint Venture				$ 0.9