Goodwill (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Goodwill
Goodwill, Beginning Balance	$ 223.8	[1]
Acquisitions/(Dispositions)	0
Other	(0.4)	[2]
Goodwill, Ending Balance	223.4
Residential Heating & Cooling [Member]
Goodwill
Goodwill, Beginning Balance	26.1	[1]
Acquisitions/(Dispositions)	0
Other	0	[2]
Goodwill, Ending Balance	26.1
Commercial Heating & Cooling [Member]
Goodwill
Goodwill, Beginning Balance	63.8	[1]
Acquisitions/(Dispositions)	0
Other	(0.5)	[2]
Goodwill, Ending Balance	63.3
Refrigeration [Member]
Goodwill
Goodwill, Beginning Balance	133.9	[1]
Acquisitions/(Dispositions)	0
Other	0.1	[2]
Goodwill, Ending Balance	$ 134.0

[1] The Goodwill balances presented in the table above are presented net of accumulated impairment charges of $17.0 million, all of which relate to impairments in periods prior to 2012.

[2] Other consists of changes in foreign currency translation rates.