Restructuring Charges (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Information regarding restructuring charges
Charges Incurred in 2012					$ 4.2
Charges Incurred to Date					58.2
Total Charges Expected to be Incurred					58.2
Details activity within the restructuring reserves
Beginning balance				4.1	2.4	4.1
Charged to Earnings	1.2	8.0	1.0	2.3	4.2	12.5	11.4
Cash Utilization					(4.1)	(12.9)
Non-Cash Utilization and Other					(0.1)	(1.3)
Ending balance	2.4				2.4	2.4	4.1
Severance and related expense [Member]
Information regarding restructuring charges
Charges Incurred in 2012					1.2
Charges Incurred to Date					27.3
Total Charges Expected to be Incurred					27.3
Details activity within the restructuring reserves
Beginning balance				3.7	2.3	3.7
Charged to Earnings					1.2	3.8
Cash Utilization					(2.8)	(5.2)
Non-Cash Utilization and Other					0	0
Ending balance	2.3				0.7	2.3
Asset write-offs and accelerated depreciation [Member]
Information regarding restructuring charges
Charges Incurred in 2012					0
Charges Incurred to Date					10.0
Total Charges Expected to be Incurred					10.0
Details activity within the restructuring reserves
Beginning balance				0	0	0
Charged to Earnings					0	1.0
Cash Utilization					0	0.3
Non-Cash Utilization and Other					0	(1.3)
Ending balance	0				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					1.5
Details activity within the restructuring reserves
Beginning balance				0	0	0
Charged to Earnings					0.1	0.5
Cash Utilization					(0.1)	(0.5)
Non-Cash Utilization and Other					0	0
Ending balance	0				0	0
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				0.2	0	0.2
Charged to Earnings					2.4	4.1
Cash Utilization					(1.2)	(4.3)
Non-Cash Utilization and Other					0	0
Ending balance	0				1.2	0
Other [Member]
Information regarding restructuring charges
Charges Incurred in 2012					0.5
Charges Incurred to Date					12.2
Total Charges Expected to be Incurred					12.2
Details activity within the restructuring reserves
Beginning balance				0.2	0.1	0.2
Charged to Earnings					0.5	3.1
Cash Utilization					0	(3.2)
Non-Cash Utilization and Other					(0.1)	0
Ending balance	0.1				0.5	0.1
Residential Heating & Cooling [Member]
Information regarding restructuring charges
Charges Incurred in 2012					2.7
Charges Incurred to Date					20.4
Total Charges Expected to be Incurred					20.4
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					1.6
Charges Incurred to Date					24.3
Total Charges Expected to be Incurred					24.3
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
Corporate & other [Member] | Lease termination [Member]
Details activity within the restructuring reserves
Charged to Earnings		$ 4.3