Goodwill, Intangible and Other Assets (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended								3 Months Ended	12 Months Ended								3 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2012 Residential Heating & Cooling [Member]		Dec. 31, 2011 Residential Heating & Cooling [Member]		Jun. 30, 2011 Commercial Heating & Cooling [Member]	Dec. 31, 2012 Commercial Heating & Cooling [Member]		Dec. 31, 2011 Commercial Heating & Cooling [Member]		Dec. 31, 2012 Refrigeration [Member]		Dec. 31, 2011 Refrigeration [Member]		Mar. 31, 2011 Refrigeration [Member] Kysor/Warren Acquisition [Member]
Goodwill
Goodwill, Beginning Balance	$ 223.2		$ 179.3		$ 26.1		$ 26.1			$ 63.5		$ 61.7		$ 133.6		$ 91.5
Acquisitions/(Dispositions)	0		45.0	[1]	0		0	[1]	3.0	0		3.0	[1]	0		42.0	[1]	42.0
Other	0.6	[2]	(1.1)	[2]	0	[2]	0	[2]		0.3	[2]	(1.2)	[2]	0.3	[2]	0.1	[2]
Goodwill, Ending Balance	$ 223.8		$ 223.2		$ 26.1		$ 26.1			$ 63.8		$ 63.5		$ 133.9		$ 133.6

[1] In the first quarter of 2011, our Refrigeration segment recorded $42.0 million of goodwill associated with the Kysor/Warren acquisition. See Note 3 for more information on this acquisition. In the second quarter of 2011, our Commercial segment acquired a company, resulting in additional goodwill of $3.0 million.

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