Divestitures and Discontinued Operations (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended				12 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 Hussmann Divestiture [Member]		Sep. 30, 2011 Hussmann Divestiture [Member]		Sep. 30, 2012 Hussmann Divestiture [Member]		Sep. 30, 2011 Hussmann Divestiture [Member]		Dec. 31, 2011 Hussmann Divestiture [Member]	Sep. 30, 2012 Integration business divestiture [Member]	Sep. 30, 2011 Integration business divestiture [Member]	Sep. 30, 2012 Integration business divestiture [Member]	Sep. 30, 2011 Integration business divestiture [Member]	Dec. 31, 2011 Integration business divestiture [Member]	Sep. 30, 2012 Compact Equipment [Member]	Sep. 30, 2011 Compact Equipment [Member]	Dec. 31, 2007 Compact Equipment [Member]
Gain (loss) on sale/asset impairment	$ 0	$ (264,800,000)	$ 4,500,000	$ (651,600,000)	$ 0	[1]	$ (264,800,000)	[1]	$ 4,500,000	[1]	$ (651,600,000)	[1]	$ (646,900,000)
Cash proceeds, before purchase price adjustments							370,000,000
Hussmann parent initial ownership interest, hussmann business							60.00%				60.00%
IR ownership interest, hussmann parent					37.20%		40.00%		37.20%		40.00%
Pre-tax gain (loss) on sale	0	(7,200,000)	3,200,000	(40,800,000)														(6,700,000)
Gain (loss) on sale, net of tax														0	0	0	0	(5,000,000)
Gross proceeds from sale of businesses																					4,900,000,000
Proceeds for Purchase price adjustments																				48,300,000
Settlement For Post Closing Matters																			$ 46,500,000

[1] During the three and nine months ended September 30, 2011, the Company recorded a pre-tax loss on sale/asset impairment charge related to the Hussmann divestiture totaling $264.8 million and $651.6 million, respectively. During the nine months ended September 30, 2012, the Company recorded $4.5 million of purchase price adjustments related to the Hussmann sale. These amounts have been excluded from Segment operating income within the Climate Solutions segment as management excludes these charges from Operating income when making operating decisions about the business.