Restructuring Charges (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Information regarding restructuring charges
Charges Incurred in 2012			$ 3.1
Charges Incurred to Date			54.3
Total Charges Expected to be Incurred			58.5
Details activity within the restructuring reserves
Beginning balance			2.4
Charged to Earnings	0.4	8.0	3.1	11.3
Cash Utilization			(3.1)
Non-Cash Utilization and Other			0
Ending balance	2.4		2.4
Severance and related expense [Member]
Information regarding restructuring charges
Charges Incurred in 2012			0.2
Charges Incurred to Date			23.3
Total Charges Expected to be Incurred			26.4
Details activity within the restructuring reserves
Beginning balance			2.3
Charged to Earnings			0.2
Cash Utilization			(1.0)
Non-Cash Utilization and Other			0
Ending balance	1.5		1.5
Asset write-offs and accelerated depreciation [Member]
Information regarding restructuring charges
Charges Incurred in 2012			0
Charges Incurred to Date			10.1
Total Charges Expected to be Incurred			10.1
Details activity within the restructuring reserves
Beginning balance			0
Charged to Earnings			0
Cash Utilization			0
Non-Cash Utilization and Other			0
Ending balance	0		0
Equipment moves [Member]
Information regarding restructuring charges
Charges Incurred in 2012			0.1
Charges Incurred to Date			1.5
Total Charges Expected to be Incurred			1.7
Details activity within the restructuring reserves
Beginning balance			0
Charged to Earnings			0.1
Cash Utilization			0
Non-Cash Utilization and Other			0
Ending balance	0.1		0.1
Lease termination [Member]
Information regarding restructuring charges
Charges Incurred in 2012			2.4
Charges Incurred to Date			7.2
Total Charges Expected to be Incurred			7.2
Details activity within the restructuring reserves
Beginning balance			0
Charged to Earnings			2.4
Cash Utilization			(1.9)
Non-Cash Utilization and Other			0
Ending balance	0.5		0.5
Other [Member]
Information regarding restructuring charges
Charges Incurred in 2012			0.4
Charges Incurred to Date			12.2
Total Charges Expected to be Incurred			13.1
Details activity within the restructuring reserves
Beginning balance			0.1
Charged to Earnings			0.4
Cash Utilization			(0.2)
Non-Cash Utilization and Other			0
Ending balance	0.3		0.3
Residential Heating & Cooling [Member]
Information regarding restructuring charges
Charges Incurred in 2012			2.7
Charges Incurred to Date			17.9
Total Charges Expected to be Incurred			21.6
Commercial Heating & Cooling [Member]
Information regarding restructuring charges
Charges Incurred in 2012			0
Charges Incurred to Date			7.8
Total Charges Expected to be Incurred			7.8
Refrigeration [Member]
Information regarding restructuring charges
Charges Incurred in 2012			0.5
Charges Incurred to Date			22.9
Total Charges Expected to be Incurred			23.4
Corporate & other [Member]
Information regarding restructuring charges
Charges Incurred in 2012			(0.1)
Charges Incurred to Date			5.7
Total Charges Expected to be Incurred			$ 5.7